JP2000115094A - Transmission method and transmission device, reception method and reception device, and transmission method and transmission system - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To easily obtain audio data such as music as a program broadcasted by radio broadcasting. SOLUTION: In a transmission device 1, a data broadcast of an EMD link necessary for obtaining a certain song is started together with a main broadcast of the song, and a data broadcast of jacket photo data of the song is performed by a main broadcast. The start timing of the main broadcast and the data broadcast is controlled so as to start earlier. On the other hand, the main broadcast and the data broadcast transmitted in this manner are received, and the data of the EMD link and the jacket photograph are stored.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a transmission method and a transmission device, a reception method and a reception device, and a transmission method and a transmission system. In particular, for example, a transmission method, a transmission device, and a reception method for easily obtaining audio data such as a song as a program broadcasted by a radio broadcast or a television broadcast, or image data such as a movie. And a transmission device.

[0002]

2. Description of the Related Art For example, a program broadcast in a radio broadcast or the like can be received by a radio receiver.

[0003]

By the way, in a radio broadcast, if a program is a song program, a song as the program is broadcast (transmitted) as a broadcast signal. Here, the broadcast signal may include the sound of an announcer (disc mug), sound effects, jingles, and the like. Therefore, the song itself (for example, a CD (Compact Disc) for sale, etc. Anything that does not include a sound other than the music (hereinafter referred to as formal music data as appropriate) can be said to be related to the broadcast signal, and can be said to be related data.

[0004] A user listens to a tune broadcast in a radio broadcast (other than the tune, for example, one containing noise such as the sound of an announcer (hereinafter referred to as broadcast tune data as appropriate)) with a radio receiver. Sometimes, I like the song and want it. In this case, there is a method of purchasing a CD in which the music (official music data) is recorded at a store, but it is troublesome.

The present invention has been made in view of such a situation. For example, audio data such as music as a program broadcasted by radio broadcasting or television broadcasting, or image data such as a movie, is It is intended to be easily available.

[0006]

According to a transmission method of the present invention, a transmission step of transmitting a broadcast signal and first and second additional information, and the transmission of the first additional information starts together with the transmission of the broadcast signal. And controlling the transmission timing of the broadcast signal and the first and second additional information so that the transmission of the second additional information is started at a different time from the transmission of the broadcast signal. It is characterized by the following.

[0007] A transmitting device of the present invention includes a transmitting means for transmitting a broadcast signal and first and second additional information, and a transmission of the first additional information is started together with the transmission of the broadcast signal.
And control means for controlling the transmission timing of the broadcast signal and the first and second additional information so that the transmission of the second additional information is started at a different time from the transmission of the broadcast signal. Features.

[0008] A receiving method of the present invention receives a broadcast signal and first additional information that have been simultaneously transmitted and receives second additional information that has been transmitted at a different time from the transmission of the broadcast signal. And a storage step of storing the first and second additional information.

[0009] A receiving apparatus of the present invention receives a broadcast signal and first additional information that have been simultaneously transmitted, and receives second additional information that has been transmitted at a different time from the transmission of the broadcast signal. Receiving means, and first and second
Storage means for storing the additional information.

[0010] In the transmission method according to the present invention, the transmitting device transmits the broadcast signal and the first and second additional information, and the transmission of the first additional information is started together with the transmission of the broadcast signal. And controlling the transmission timing of the broadcast signal and the first and second additional information so that the transmission of the second additional information is started at a different time from the transmission of the broadcast signal. A receiving step of receiving the broadcast signal and the first additional information whose transmission has been started simultaneously and receiving the second additional information whose transmission has been started at a different time from the transmission of the broadcast signal;
And a storage step of storing the first and second additional information.

[0011] In the transmission system according to the present invention, the transmitting device transmits a broadcast signal and first and second additional information, and transmission of the first additional information is started together with transmission of the broadcast signal. And control means for controlling the transmission timing of the broadcast signal and the first and second additional information so that the transmission of the second additional information is started at a different time from the transmission of the broadcast signal. Receiving means for receiving the broadcast signal and the first additional information that have been simultaneously transmitted and receiving the second additional information that has been transmitted at a different time from the transmission of the broadcast signal; And storage means for storing the second additional information.

In the transmission method of the present invention, a broadcast signal,
And transmitting the first and second additional information, the transmission of the first additional information is started together with the transmission of the broadcast signal, and the transmission of the second additional information is performed at a different time from the transmission of the broadcast signal. , The transmission timing of the broadcast signal and the first and second additional information is controlled.

In the transmitting apparatus according to the present invention, the transmitting means transmits the broadcast signal and the first and second additional information, and the control means starts the transmission of the first additional information together with the transmission of the broadcast signal. And the transmission of the second additional information is
The transmission timing of the broadcast signal and the first and second additional information is controlled so as to start at a different time from the transmission of the broadcast signal.

[0014] In the receiving method of the present invention, the broadcast signal and the first additional information that have been simultaneously transmitted are received, and the second additional information that has been transmitted at a different time from the transmission of the broadcast signal is transmitted. It is adapted to receive and store the first and second additional information.

In the receiving apparatus according to the present invention, the receiving means receives the broadcast signal and the first additional information which have been simultaneously transmitted, and receives the broadcast signal and the second additional information which have been transmitted at a different time from the transmission of the broadcast signal. And the storage means is configured to store the first and second additional information.

In the transmission method of the present invention, a broadcast signal,
And transmitting the first and second additional information, the transmission of the first additional information is started together with the transmission of the broadcast signal, and the transmission of the second additional information is performed at a different time from the transmission of the broadcast signal. To control the transmission timing of the broadcast signal and the first and second additional information so as to start receiving the broadcast signal and the first additional information that have been simultaneously transmitted and transmit the broadcast signal. The second additional information whose transmission is started at a different time from the first additional information is received, and the first and second additional information are stored.

In the transmission system according to the present invention, the transmitting means transmits the broadcast signal and the first and second additional information, and the control means starts the transmission of the first additional information together with the transmission of the broadcast signal. The transmission timing of the broadcast signal and the first and second additional information is controlled so that the transmission of the second additional information is started at a different time from the transmission of the broadcast signal. . The receiving means receives the broadcast signal and the first additional information that have been transmitted at the same time, and receives the second additional information that has been transmitted at a different time from the transmission of the broadcast signal. The first and second additional information are stored.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below, but before that, the correspondence between each means of the invention described in the claims and the following embodiments will be clarified. For this reason, the features of the present invention are described as follows by adding the corresponding embodiment (however, an example) in parentheses after each means.

That is, a transmitting apparatus according to claim 35 is a transmitting apparatus for transmitting a predetermined broadcast signal and first and second additional information, wherein the broadcast signal and the first and second additional information are transmitted. And transmission of the first additional information is started together with the transmission of the broadcast signal, and transmission of the second additional information is performed by the transmission of the broadcast signal. Control means (for example, a synchronization adjustment circuit 55 shown in FIG. 7) for controlling the transmission timing of the broadcast signal and the first and second additional information so as to be started at a different time from the above. And

A transmitting device according to a fifty-fifth aspect of the present invention includes a dividing unit (for example, a data dividing unit 351 shown in FIG. 17) for dividing related data related to a broadcast signal into a first component and a second component. And the transmitting means transmits the first component as a broadcast signal.

A receiving apparatus according to claim 95 is a receiving apparatus for receiving a predetermined broadcast signal and first and second additional information, wherein the broadcast signal and the first additional information which have been simultaneously transmitted are started. Receiving means (for example, the digital audio tuner 22 shown in FIG. 5) for receiving the second additional information whose transmission has been started at a different time from the transmission of the broadcast signal, and the first and second Storage means for storing additional information (for example, storage 6 shown in FIG. 9)
4 etc.).

The receiving apparatus according to claim 96 is characterized by further comprising temporary storage means (for example, a memory 161 shown in FIG. 13) for temporarily storing a broadcast signal.

The receiving device according to claim 101 is an output means for outputting acquisition information (for example, a speaker 2 shown in FIG. 5).
9 and the display device 30).

[0024] The receiving apparatus according to claim 107 further comprises an obtaining means (for example, a download processing unit 65 shown in FIG. 9) for obtaining a decryption key for decrypting related data based on the obtained information. It is characterized by.

[0025] The receiving apparatus according to claim 108 further comprises a decoding means (for example, a decoder 68 shown in Fig. 9) for decoding the related data arranged in the second additional information based on the decoding key. It is characterized by the following.

The receiving device according to claim 111 is an output means for outputting recognition information (for example, a speaker 2 shown in FIG. 5).
9 and the display device 30).

The receiving apparatus according to claim 115 further comprises an obtaining means (for example, a download processing unit 65 shown in FIG. 13) for obtaining a decryption key for decrypting the second signal. .

The receiving apparatus according to claim 116 decodes the second signal arranged in the second additional information based on the decoding key (for example, the decoder 68 shown in FIG. 13).
Etc.).

The receiving apparatus according to claim 117 generates generating means (for example, an arithmetic unit 162 shown in FIG. 13) using a broadcast signal and a second signal to generate related data related to the broadcast signal. Is further provided.

The receiving apparatus according to claim 121 is an acquisition unit for acquiring a decoding key for decoding a first image or sound or a second image or sound of an overlapping portion (for example, FIG. 13 etc.).

A receiving device according to claim 122, which decodes the first image or audio or the second image or audio of the overlapping portion based on the decoding key (for example, FIG. 13) , Etc.).

A receiving apparatus according to claim 123, wherein the related data related to the broadcast signal is obtained by using the broadcast signal and the first image or sound or the second image or sound of the overlapping portion. Is further provided, such as a computing unit 162 shown in FIG.

The receiving apparatus according to claim 127 further comprises an obtaining means (for example, a download processing unit 65 shown in FIG. 13) for obtaining a decryption key for decrypting the second component. .

The receiving apparatus according to claim 128 further comprises decoding means (for example, a decoder 68 shown in FIG. 13) for decoding the second component based on the decoding key.

The receiving apparatus according to claim 129 further comprises generating means (for example, an arithmetic unit 162 shown in FIG. 13) for generating related data using the broadcast signal and the second signal. Features.

A transmission system according to claim 132, wherein a transmitting apparatus for transmitting a predetermined broadcast signal and first and second additional information, and a receiving apparatus for receiving a broadcast signal and first and second additional information. A transmission system, comprising: a transmitting device (for example, a transmitter 18 shown in FIG. 4) for transmitting a broadcast signal and first and second additional information; Is started with the transmission of the broadcast signal, and the transmission of the second additional information is
Control means (for example, a synchronization adjusting circuit 55 shown in FIG. 7) for controlling the transmission timing of the broadcast signal and the first and second additional information so as to start at a different time from the transmission of the broadcast signal Receiving means for receiving the broadcast signal and the first additional information simultaneously transmitted, and receiving the second additional information transmitted at a different time from the transmission of the broadcast signal; For example, the digital audio tuner 22 shown in FIG.
And storage means for storing the second additional information (for example, the storage 64 shown in FIG. 9).

Of course, this description does not mean that each means is limited to those described above.

FIG. 1 shows a book mark radio (BMR) system to which the present invention is applied (a system refers to a system in which a plurality of devices are logically assembled. Or not) is shown.

The transmitting device 1 functions as, for example, a broadcasting station for digital radio broadcasting, and performs digital radio broadcasting via, for example, terrestrial waves as the transmission medium 2.

The digital radio broadcast performed by the transmitting device 1 is composed of a main broadcast and a data broadcast, and data of the main broadcast (hereinafter, referred to as main broadcast data as appropriate) includes music broadcast as a general program. Data (broadcast song data) and sponsor advertisements (so-called commercials)
Data is included. In addition, data by data broadcasting (hereinafter, appropriately referred to as data broadcasting data) includes:
Sample audio and jacket photo data, text data, EMD (Electric Music Distribution)
The data includes links, compressed and encrypted data, and still image coupon data. These main broadcast data and data broadcast data are received by the user terminal 3.

The user terminal 3 is composed of, for example, a portable or stationary radio receiver, an on-vehicle radio receiver (so-called car audio device), and receives the main broadcast data from the transmitting device 1. , Output as voice. Further, the user terminal 3 receives the data broadcast data, and outputs or displays the data broadcast as necessary.

That is, the data broadcast data includes a sample sound provided as a sample to the user, such as a start portion and a so-called rust portion, of a song broadcast in the main broadcast data. ing. The data broadcast data includes, for example, a jacket photo of a CD or the like, a photograph of a singer singing the song (artist photograph), and a song of the song broadcasted in the main broadcast data. The title, the name of the singer, and text data as the name of the record company (production company) are included.

Further, the data broadcast data also includes compressed and encrypted data obtained by compressing and encrypting official music data corresponding to broadcast music data.

The user terminal 3 receives such data broadcast data, and displays a jacket picture, a song title, a singer's name, or the like, or outputs a sample voice, etc., according to the operation of the user.

The user listens to the broadcast song data of the main broadcast and, when interested, attaches a so-called bookmark (so as to put a bookmark in the book) and the user terminal 3.
Operate. Furthermore, when listening to the broadcast song data, or after listening to it, listening to a sample sound, etc., and wanting the official song data of the song, a decryption key for decrypting the compressed and encrypted data The user terminal 3 is operated to request the user. In response to the request, the user terminal 3 requests a decryption key from the EMD server 5 of the EMD service provider that manages and distributes the official music data.

That is, the EMD included in the data broadcast data
The link includes, for example, an IP (Internet Protocol) address of the EMD server 5 and a URL (Uniform Resource Locator) as access information used to access a providing location that provides official music data. Based on this EMD link, the user terminal 3
It accesses the EMD server 5 via the Internet 4 and requests a decryption key for decrypting the compressed and encrypted data.

When the EMD server 5 receives the request for the decryption key from the user terminal 3, the EMD server 5 performs necessary accounting processing and transmits the decryption key to the user terminal 3 via the Internet 4. The user terminal 3 receives the decryption key from the EMD server 5, and uses the decryption key to decrypt the compressed and encrypted data into official music data (compressed).
Thereby, the user can obtain the official music data.

On the other hand, the EMD server 5 manages the official music data as described above, provides the user terminal 3 with a decryption key, and also provides the user station 3 with the broadcast station (transmitting apparatus 1). It provides song data transmitted as broadcast data and its compressed and encrypted data. EMD server 5
Performs a charging process for collecting a price for providing a decryption key (eventually, official song data). By this billing process, from the user's bank account or credit company at a later date,
The purchase price of the official song data is deducted. Billing may be performed using a prepaid card or the like.

It should be noted that the data for data broadcasting may not include all the data described above due to the transmission capacity of the transmission medium 2. In this case, the compressed and encrypted data is not included in the data for data broadcasting. Can be excluded. When the data for data broadcasting does not include the compressed and encrypted data, the user terminal 3 requests the EMD server 5 to request the compressed and encrypted data to be decrypted by the decryption key together with the decryption key. 5 can cause the user terminal 3 to transmit the decryption key and the compressed and encrypted data.

The data for data broadcasting can include data of a still image coupon treated as a so-called coupon ticket. This still image coupon can be transmitted to the EMD server 5 together with the request when, for example, the user terminal 3 requests a decryption key. Then, when the EMD server 5 receives the still image coupon together with the request for the decryption key, the price is discounted at the time of charging processing.

Further, in the above case, the EMD server 5
Is made to perform the billing process.
As shown by a dotted line, a dedicated charging server 6 for performing a charging process can be provided, and the charging server 6 can perform the charging process.

If the data for data broadcasting does not include the compressed and encrypted data (it does not matter if the data is included), for example, a record store, a video shop, a convenience store, a station store, etc. It is possible to install a transfer device for transferring the compressed and encrypted data and the decryption key at a store or other places. In this case, if the user goes to the place where the transfer device is installed, the user can obtain the compressed encrypted data and the decryption key in exchange for the price.

In the EMD link, a store selling a CD or the like on which music broadcasted in the main broadcast is recorded (for example, the store name of the store, and the name of a branch, etc.) is described. You can do so. In this case, by displaying (outputting) the EMD link on the user terminal 3, the user recognizes the store selling the CD in which the desired music is recorded, and goes to purchase the CD. (Access to stores).

Next, FIG. 2 shows a transmission format of the main broadcast data and the data broadcast data by the transmitting apparatus 1 of FIG. Here, in Japan, about 400 kbps
(Kilobit per second) as one segment, and MPEG (Moving Picture Experts Grou
p) Digital radio broadcasting is scheduled to be performed using AAC (Advanced Audio Coding), and FIG. 2 shows a transmission format when such digital radio broadcasting is adopted.

In FIG. 2, the main broadcast data is MPEG A
It is compressed by AC into a stereo signal of about 128 kbps to 144 kbps and transmitted. Among the data broadcast data, the compressed and encrypted data is obtained by converting the official music data to ATRAC (Adaptive Transform Acoustic Coding) 2.
, And then encrypted by a predetermined method, and its transmission rate is about 250 kbps.

Next, FIG. 3 shows the data formats of the main broadcast data and the data broadcast data.

The main broadcast data and the data broadcast data are:
Each frame is transmitted in time synchronization in a predetermined frame unit.

Hereafter, the main broadcast data or data broadcast data frames are referred to as music frames or data frames, respectively, as appropriate.

Now, assuming that a program from the start of transmission of a certain song to the end of the transmission is one program, in the main broadcast data of one program, a required number of music frames are arranged after a header, and finally, An EOF (End Of File) is arranged and configured. In addition, the data broadcast data of the program includes the same number of data frames as the music frames constituting the main broadcast data, and lastly, the EOF. Then, the music frame and the corresponding data frame are transmitted simultaneously in synchronization.

A data frame is periodically transmitted from its head to a sync (synchronization signal) used for detection of the data frame, and to each frame, for example, a frame number sequentially assigned to one frame and one program broadcast. A one-frame cyclic bookmark portion in which data is arranged (hereinafter, appropriately referred to as a bookmark portion), and a plurality of frame completion portions in which a plurality of data frames are collected and completed in a basic manner (hereinafter, appropriately referred to as a completion portion). ), ECC (Error Correcting Cod) for error correction or detection
e) (Error Checking Code) is sequentially arranged.

Information (obtainment information) necessary to obtain the official music data of the music being broadcast in the main broadcast is arranged in the bookmark section. That is, in the bookmark portion, for example, a 60-bit ISRC (International Standard Recording Code) as unique unique information added uniquely to the official song data of the song broadcasted in the main broadcast
Are arranged. Further, the bookmark section includes, for example, a song name (title) of the song or a singer name (singer) of the singing singer as recognition information useful for recognizing the content of the official song data of the song broadcasted in the main broadcast. The artist name), the company name (recording company name) of the record company (production company) to which the singer belongs, and the like are also arranged. further,
In the bookmark section, a providing location (the EMD shown in FIG. 1) that provides the official music data of the music broadcast in the main broadcast.
An EMD link (EMD Link) as access information used to access the server 5 or a store that sells a CD recording official music data is also arranged.

The same information is arranged in the bookmark section of each data frame constituting one program. Therefore, the information arranged in the bookmark section is such that the main broadcast program is extremely short. Unless it ends in time,
Transmitted periodically multiple times.

For example, the following audio data, image data, text data, and other data are arranged in the completion section.

That is, as the audio data, for example, compressed and encrypted data obtained by compressing and encrypting the above-mentioned official music data, and sample audio are arranged. Further, as described later, jingle data, announcer's voice, difference data for improving sound quality, overlap data, and the like may be arranged as described later.

As the image data, for example, a jacket photograph of a CD or the like on which official song data is recorded, a photograph of a singer singing the song (artist photograph), data of a still image coupon, and the like are arranged.

As the text data, for example, the title of the song, the name of the singer, the name of the record company, the episode of the singer, the latest information, etc., which are useful for recognizing the contents of the official song data, are arranged. Therefore, in the present embodiment, although somewhat redundant, the title of the song, the name of the singer, and the like may be arranged in both the bookmark portion and the complete portion.

As other data, data on sales promotion for advertisement, data for advertisement, and the like are arranged.

Here, the data arranged in the bookmark portion or the complete portion is hereinafter referred to as bookmark data or data broadcast content, respectively, as appropriate.

In FIG. 3, one channel is used for data broadcasting, but two channels are used for data broadcasting, and one of the channels is used to store the data arranged in the bookmark section. 1
It is also possible to simultaneously transmit the data broadcast contents arranged in the complete part on the channel No.

Next, FIG. 4 shows a configuration example of the transmission device 1 constituting the broadcasting station of FIG.

The microphone 11 has an announcer's voice (DJ
(Disc mug) audio is input, and the DJ audio is converted into an audio signal as an electric signal and supplied to the signal processing unit 13. The signal processing unit 13 is also supplied with data stored in the storage 12.

That is, the storage 12 is supplied from the EMD server 5 with music data (which may be official music data) used for the main broadcast, compressed and encrypted data used for the data broadcast, a jacket photograph, and the like. The data is stored, and the data is supplied to the signal processing unit 13 as needed.

Further, the signal processing unit 13 has an advertisement or a publicity sound (so-called commercial) broadcasted in the main broadcast.
(Advertising voice) and the like are also supplied.

The signal processing unit 13 performs signal processing on the data supplied thereto, thereby generating a music frame in which main broadcast data is arranged and a data frame in which data broadcast data is arranged. The music frame of the main broadcast data or the data frame of the data broadcast data is
Supplied to the ECC circuit 14 or 15 respectively.
Is supplied to the MUX (multiplexer) 16.

In the MUX 16, the main broadcast data and the data broadcast data are multiplexed, and the multiplexed data obtained as a result is supplied to the digital modulation circuit 17. The digital modulation circuit 17 applies, for example, a QPSK (Quadrature Phase Shift K) to the multiplexed data from the MUX 16.
eying) and QAM (Quadrature Amplitude Modulation)
And the like, and a modulated signal obtained as a result is supplied to the transmitter 18. In the transmitter 18, the modulation signal from the digital modulation circuit 17 is
Amplification and other necessary processing are performed, and the signal is transmitted as a radio wave from the antenna 19.

Next, FIG. 5 shows a configuration example of the user terminal 3 of FIG.

As described above, the radio wave transmitted from the transmitting device 1 is received by the antenna 21, and the received signal is supplied to the digital radio tuner 22.
The digital radio tuner 22 receives a reception signal from the antenna 21, detects a reception signal of a predetermined channel under the control of the reception control unit 22 </ b> A, and supplies the detection signal to the digital demodulation circuit 23. Digital demodulation circuit 23
Demodulates the output of the digital radio tuner 22 digitally and converts the resulting multiplexed data to DMUX
(Demultiplexer) 24.

The demultiplexer 24 separates the multiplexed data from the digital demodulation circuit 23 into main broadcast data and data broadcast data. The main broadcast data or data broadcast data is supplied to the ECC circuit 25 or 26, respectively. The ECC circuit 25 or 26 performs error detection or correction processing on the main broadcast data or the data broadcast data, and supplies the result to the signal processing unit 27.

Here, the ECC circuit 26 is a DMUX 24
The processing is performed after temporarily storing the data broadcast data from the RAM 26A. And RA
The M26A has, for example, a storage capacity enough to store data of at least one data frame (FIG. 3), and each time a new data frame is received from the DMUX 24, the oldest data frame (The oldest data frame is updated with a new data frame).

For example, when the user carries the user terminal 3 or when the user terminal 3 is mounted on a car, the reception of the radio wave from the transmitting device 1 is temporarily stopped in a tunnel or the like. May be interrupted. Even in such a case, the RAM 26A temporarily stores the data broadcast data so that the user terminal 3 can use the data in the bookmark portion of the data frame.

Whether the reception of the radio wave from the transmitting apparatus 1 is temporarily interrupted is determined by, for example, whether the frame number of the data frame (FIG. 3) is continuous,
The determination can be made based on whether F has been received, or on the level of the radio wave.

The signal processing section 27 performs predetermined signal processing on the main broadcast data or data broadcast data from the ECC circuit 25 or 26, respectively. Then, the main broadcast data is supplied to a D / A (Digital / Analog) converter 28, and after being D / A converted, supplied to a speaker 29 and output.

[0083] Of the data broadcast data, data that can be output as audio is output from the speaker 29 as necessary, similarly to the main broadcast data. Further, displayable data of the data broadcast data is supplied to the display device 30 and displayed as necessary.

The operation section 31 is operated by the user in a predetermined case. An operation signal corresponding to the operation of the operation unit 31 is supplied to the signal processing unit 27, and the signal processing unit 27 performs a predetermined process according to the operation signal. That is, for example, when the operation unit 31 is operated to request a decryption key, the signal processing unit 27 controls the modem 32 to establish a link with the EMD server 5 via the Internet 4. Establish and request decryption key. Further, the signal processing unit 27 receives the decryption key transmitted from the EMD server 5 via the modem 32 in response to the request.

Next, FIG. 6 shows a configuration example of the EMD server 5 of FIG.

The database 41 stores, for example, official song data of songs managed by the EMD service provider, ISRC, jacket photo data, artist photo data, compressed and encrypted data of official song data, and a decryption key for decryption thereof. Are stored, and the one used in the main broadcast and the data broadcast is supplied to the transmitter 1 of the broadcast station.

On the other hand, the modem 43 performs communication control via the Internet 4. When a request for a decryption key is transmitted from the user terminal 3, the modem 43 receives the request and sends it to the control unit 42. Supply. When receiving the request for the decryption key, the control unit 42 controls the accounting processing unit 44 to perform the accounting process. Further, the control unit 42
The requested decryption key is read from the database 41 and transmitted to the modem 43. When receiving the request for the compressed encrypted data together with the request for the decryption key, the control unit 42 reads out the compressed encrypted data from the database 41 and causes the modem 43 to transmit the data.

Next, FIG. 7 shows a configuration example of the signal processing unit 13 in the transmission device 1 of FIG.

The amplifier 51 is supplied with DJ sound from the microphone 11 (FIG. 4).
1 amplifies the audio signal and converts the A / D (Analog / Digit)
al) supply to the converter 52; A / D
The converter 52 converts the analog audio signal from the amplifier 51 into digital audio data by A / D conversion and supplies the digital audio data to the mixer 53. The mixer 53 is also supplied with data (here, digital data) such as songs, advertisements, jingles, etc., which constitute the main broadcast data, in addition to the DJ audio.
3 mixes these sounds to form main broadcast data, and supplies the main broadcast data to the data compression unit 54. The data compression unit 54 compresses the output of the mixer 53 by, for example, the MPEG method and supplies the output to the synchronization adjustment circuit 55.

The synchronization adjustment circuit 55 includes a data compression unit 54
In addition to the main broadcast data, bookmark data and the output of the MUX 58 are also supplied. Then, the synchronization adjustment circuit 55 is configured to compose data broadcast data from the bookmark data and the output of the MUX 58. Further, the synchronization adjustment circuit 55
A music frame in which the main broadcast data is arranged and a data frame in which the data broadcast data are arranged are configured and output in synchronization with each other.

Note that the synchronization adjustment circuit 55 includes a memory 55A
The memory 55A is configured to temporarily store bookmark data for one program (song). The synchronization adjustment circuit 55 stores the data frame of the data broadcast data of a certain program in the memory 55A,
By arranging the bookmark data for the program, the same bookmark data is arranged in the bookmark portion of each data frame constituting the program.

[0092] The data compression section 56 stores the audio data (for example, as described above) of the data broadcast content.
The data compression unit 56 compresses the audio data supplied thereto by, for example, the ATRAC2 method, and supplies the compressed audio data to the MUX 58. ing. Among the audio data, for example, the compressed and encrypted data is
The audio data that has already been compressed by the ATRAC2 method or the like, and thus already compressed,
6 to be supplied to the MUX 58 as it is.

The data compression section 57 stores image data (for example, jacket photograph, artist photograph, still image coupon data, etc.) in the data broadcast contents.
Is supplied, and the data compression unit 57
Converts the image data supplied thereto into, for example, JPEG
(Joint Photographic Experts Group) method and the like, and supply it to the MUX 58.

The MUX 58 is supplied with text data and other data of data broadcasting contents in addition to the outputs of the data compression units 56 and 57, and the MUX 58 receives the data supplied thereto. The broadcast content is multiplexed and supplied to the synchronization adjustment circuit 55. It should be noted that text data and other data are also compressed and then MUX
58.

Next, referring to the flowchart of FIG.
The processing of the signal processing unit 13 in FIG. 7 will be described.

The DJ sound from the microphone 11 is transmitted to the amplifier 51
The digital signal is amplified by the A / D converter 52 and supplied to the mixer 53. The mixer 53 has D
In addition to the J audio, data such as a song, an advertisement, and a jingle that constitute the main broadcast data are also supplied. The mixing is performed thereon, whereby the main broadcast data is formed and supplied to the data compression unit 54. The data compression section 54 is a mixer 53
Is compressed and supplied to the synchronization adjustment circuit 55.

On the other hand, in the data compression 56 or 57, the audio data or the image data of the data broadcast content is compressed and supplied to the MUX 58. M
In addition to the outputs of the data compression units 56 and 57, the UX 58 is also supplied with text data and other data of the data broadcast contents, where these data are multiplexed and supplied to the synchronization adjustment circuit 55. You.

[0098] In addition to the main broadcast data and the output of the MUX 58, the synchronization adjustment circuit 55 is also supplied with bookmark data for the program of the main broadcast data. Then, the synchronization adjustment circuit 55 composes the data broadcast data from the bookmark data and the output of the MUX 58, and synchronizes the music frame constituting the main broadcast data with the data frame constituting the data broadcast data for output. .

That is, upon receiving the bookmark data of a certain program, the synchronization adjusting circuit 55 first stores the bookmark data in the memory 55A in step S1, as shown in the flowchart of FIG. To set a variable i for counting the number of music frames and data frames constituting the program, for example, as an initial value, for example, 1;
Proceed to.

In step S3, a music frame #i is formed using the main broadcast data, and the memory 55A
The data frame #i is formed by arranging the output data of the MUX 58 by a predetermined amount after the bookmark data stored in the data frame #i, and proceeds to step S4. In step S4, the music frame #i and the data frame #i are output simultaneously with synchronization, and the process proceeds to step S5.

In step S5, it is determined whether or not the song broadcast in the main broadcast as a program has ended. If it is determined that the program has not ended, the process proceeds to step S6.
The variable i is incremented by one. Then, the process returns to step S3, and thereafter, the same processing is repeated.

If it is determined in step S5 that the song broadcast in the main broadcast as a program has ended, the EO is regarded as the main broadcast data and the data broadcast data.
F is output, and the process returns to step S1 after waiting for bookmark data for the next program to be supplied.

Therefore, except for the special case where the program as the main broadcast data ends in an extremely short time, while the main broadcast data of the program is being transmitted, the Bookmark data is transmitted periodically by being arranged in each data frame. As a result, in the user terminal 3, it is possible to minimize the loss of bookmark data for a certain program.

Next, FIG. 9 shows a configuration example of the signal processing section 27 in the user terminal 3 of FIG.

The main broadcast data from the ECC circuit 25 (FIG. 5) is supplied to a data decompression unit 61. The data decompression unit 61 decompresses the main broadcast data.
The data is supplied to a D / A converter 28 (FIG. 5).

The data broadcast data from the ECC circuit 26 (FIG. 5) is supplied to the DMUX 62. The DMUX 62 separates the data broadcast data into bookmark data and data broadcast contents. Has been made. Further, the DMUX 62 separates the content for data broadcasting into displayable data (hereinafter, appropriately referred to as display data), sample audio, compressed and encrypted data, and the like.
3 is supplied.

The selector 63 has a memory 63A, and the output of the DMUX 63 is temporarily stored in the memory 63A. Further, the selector 63
According to the operation of the operation unit 31 (FIG. 5), the memory 63A
Is supplied to the display device 30 (FIG. 5) via the data decompression unit 70 or to the storage 64. The display device 30 basically stores display data (for example, a song title (song name), an artist name (singer name), a jacket photograph, etc.) in the storage 64.
Basically, bookmark data, sample audio,
Compressed and encrypted data and the like are supplied.

The storage 64 stores bookmark data, sample audio, compressed and encrypted data, etc. supplied from the selector 63. Further, the storage 65 stores a decryption key and the like supplied from the download processing unit 65. Here, the storage 64 can be built in the user terminal 3, but can also be configured with a memory card or the like that is easily removable. Storage 64
Is a memory card or the like, as described with reference to FIG. 1, when the memory card is brought to a store and the compressed encrypted data and the decryption key thereof are provided, the portable device is carried to the mobile phone. It is convenient.

[0109] The download processing unit 65 includes the operation unit 31
Is operated to request the download of the decryption key and the compressed and encrypted data, the modem 32 (FIG. 5) is controlled, and the download is requested to the EMD server 5 via the Internet 4. It has been made like that. The personal information storage unit 66 stores the user's name, address, telephone number, credit card number, or bank account information as the user's personal information necessary for the accounting process performed when downloading the decryption key and the compressed and encrypted data. It stores numbers and the like. This personal information is transmitted together with the request when the download processing unit 65 requests the download of the decryption key or the compressed and encrypted data.

The reproduction control section 67 reproduces the data stored in the storage 64 and supplies the data to the decoder 68. When the compressed encrypted data and the decryption key are supplied from the reproduction control section 67, the decryptor 68 decrypts the compressed encrypted data using the decrypted key, and converts the compressed official music data obtained as a result. , And to the data decompression unit 69. Further, when the sample sound is supplied from the reproduction control section 67, the decoder 68 supplies the sample sound to the data decompression section 69 as it is.

When the official music data and the sample voice supplied from the decoder 68 are compressed, the data expansion section 69 expands the compressed official music data and the sample voice to form the D / A converter 28. (FIG. 5). When the display data supplied from the selector 63 is compressed, the data expansion unit 70 expands the compressed display data and supplies the display data to the display device 30. Note that the data decompression units 69 and 70
When data supplied thereto is not compressed, the data is output as it is.

Next, the processing of the signal processing section 27 of FIG. 9 will be described with reference to the flowchart of FIG.

The main broadcast data from the ECC circuit 25 is supplied to a data decompression unit 61, which decompresses the main broadcast data and supplies it to the speaker 29 via the D / A converter 28. . Thus, the main broadcast is output from the speaker 29.

On the other hand, the data broadcast data from the ECC circuit 26 is supplied to the DMUX 62, where it is separated into bookmark data and data broadcast contents.
Further, in the DMUX 62, the data broadcast content is separated into display data, sample audio, compressed and encrypted data, and the like, and the data is transmitted to the selector 6 together with the bookmark data.
3 is supplied.

The selector 63 temporarily stores the data from the DMUX 63 in the memory 63A, and thereafter sequentially updates the stored contents to data newly supplied from the DMUX 63. That is, in the memory 63A, the bookmark data is updated, for example, for each data frame, and the content for data broadcasting is updated, for example, each time one broadcast of the main program ends.

As shown in the flowchart of FIG. 10, first, in step S11, the operation unit 3
It is determined whether or not 1 has been operated to output display data. If it is determined that such operation has been performed, the process proceeds to step S12, where the selector 63 reads out the display data stored in the memory 63A, The data is supplied to the display device 30 via the extension unit 70, and the process returns to step S11.
As a result, the display device 30 displays, for example, a jacket photo, an artist photo, a title, a singer name, and the like of the song currently being broadcast in the main broadcast.

In step S11, the operation unit 3
If it is determined that No. 1 has not been operated to output the display data, the process proceeds to step S13, and it is determined whether the bookmark has been operated on the operation unit 31. Step S
In 13, when it is determined that the operation unit 31 has been bookmark-operated, that is, when the user is interested in the song broadcasted in the main broadcast (interesting), the user puts a mark on the song, so to speak. Is performed, step S14
The selector 63 reads the bookmark data, the sample voice, the compressed and encrypted data stored in the memory 63A, supplies the stored data to the storage 64, and returns to step S11. That is, the storage 6
Reference numeral 4 stores (records) bookmark data, sample audio, compressed and encrypted data, and the like for the song that was being broadcast in the main broadcast when the operation unit 31 was bookmarked.

Here, as described above, in the memory 63A, the content for data broadcasting is updated every time the broadcasting of one tune in the main broadcasting is completed. Are stored in the storage 64 when the operation section 31 is bookmarked during the main broadcast of the song.
If the bookmark operation has not been performed, the user terminal 3
Deleted from

On the other hand, in step S13, the operation unit 3
If it is determined that No. 1 has not been bookmarked,
Proceeding to step S15, it is determined whether or not the operation unit 31 has been operated to output a sample sound. If it is determined in step S15 that the operation unit 31 has been operated to output the sample sound, the process proceeds to step S16, where the reproduction control unit 67 reads the sample sound stored therein from the storage 64, and The data is supplied to the speaker 29 via the data expansion unit 69 and the D / A converter 28, and the process returns to step S11. As a result, the sample sound is output from the speaker 29.

Here, even if the compressed encrypted data for a certain song is stored in the storage 64 by performing a bookmark operation on the operation unit 31, the user can determine what song the song is in. I sometimes forget if I was warm. Therefore, in such a case, by reproducing and listening to the sample sound as described above, it is possible to remember what kind of music the music was.

On the other hand, in step 15, the operation unit 31
If it is determined that has not been operated to output the sample sound, the process proceeds to step S17, and it is determined whether or not the operation unit 31 has performed a download operation requesting the download of the decryption key. If it is determined in step S17 that the download operation has been performed on the operation unit 31, the process proceeds to step S18, where the download processing unit 65 performs a decryption key download process.

That is, for example, in the EMD server 5, the file of the decryption key of the compressed / encrypted data of certain formal music data is managed using the ISRC of the formal music data as a file name, and The EMD link manages the official song data.
Assuming that the host name of the D server 5 is represented, the download processing unit 65 sets the EMD link of the bookmark data stored in the storage 64 as the host name and sets the ISRC of the
Configure RL. Further, the download processing unit 65
By controlling the modem 32 based on the URL, a communication link with the EMD server 5 is established, the personal information is read from the personal information storage unit 66, and transmitted to the EMD server 5 together with a request for a decryption key.

When the EMD server 5 receives the request for the decryption key and the personal information, it performs a charging process based on the personal information and transmits the requested decryption key to the user terminal 3. In the user terminal 3, the decryption key transmitted from the EMD server 5 in this way is received by the download processing unit 65 via the modem 32.

Upon receiving the decryption key, the download processing section 65 proceeds to step S19, supplies the decryption key to the storage 64 for storage, and returns to step S11.

If the bookmark data is not stored in the storage 64 when the download operation is performed on the operation unit 31, the user terminal 3 executes step S
Instead of performing the processing of 18 and S19, for example,
This is output from the speaker 29 or displayed on the display device 30.

On the other hand, in step S17, the operation unit 3
If it is determined that No. 1 has not been downloaded,
Proceeding to step S20, it is determined whether or not the operation unit 31 has been operated to reproduce a song (hereinafter, appropriately referred to as a reproduction operation). If it is determined in step S20 that the operation section 31 has been operated for reproduction, the process proceeds to step S21, in which the reproduction control section 67 starts reproduction of the music, and returns to step S11.

That is, the reproduction control section 67 operates as follows.
, The compressed encrypted data and the decryption key stored therein are read and supplied to the decryptor 68. The decryption unit 68 decrypts the compressed and encrypted data from the reproduction control unit 67 using the decryption key from the reproduction control unit 67, and supplies the decrypted data to the data decompression unit 69. In the data decompression unit 69, the decoded data from the decoder 68 is decompressed into official music data, and supplied to the speaker 29 via the D / A converter 28. Thereby, from the speaker 29, for example,
The same tune as when a CD is reproduced is output.

The data decoded by the decoder 68 and the data decompressed by the data decompression unit 69 are
It is possible to output from an output terminal (not shown) and record the same with a recording device (not shown).

On the other hand, in step S20, the operation unit 3
If it is determined that No. 1 has not been played, the process returns to step S11.

If the storage section 64 does not store compressed and encrypted data or a decryption key when the operation section 31 is operated for reproduction, the user terminal 3 performs, for example, To that effect,
The signal is output from the speaker 29 or displayed on the display device 30.

When a plurality of sets of the compressed and encrypted data and the decryption key are stored in the storage 64 when the operation section 31 is operated for reproduction (when the operation section 31 is operated to output the sample sound). The same applies when a plurality of sample voices are stored in the storage 64). For example, a list of song titles and singer names corresponding to the plurality of compressed and encrypted data is displayed on the display device 30. Thus, the user can select which compressed and encrypted data is to be reproduced. Note that the title of the song corresponding to the compressed and encrypted data can be recognized by referring to the bookmark data stored in the storage 64.

As described above, the transmitting apparatus 1 arranges the bookmark data necessary for obtaining the decryption key for decrypting the compressed and encrypted data of the music broadcasted in the main broadcast, and transmits the data for the data broadcast. Is configured, and while transmitting the main broadcast data, bookmark data necessary for obtaining a decryption key for decrypting the compressed and encrypted data of the song broadcasted in the main broadcast data is arranged. The transmitted data broadcast data is transmitted a plurality of times. On the other hand, in the user terminal 3, when the main broadcast data and the data broadcast data are received and the operation unit 31 performs a bookmark operation, the bookmark data included in the data broadcast data received at that time is stored in the storage 64. Is done.

Accordingly, the user can easily obtain the official music data for the desired music.

In the above case, in the data broadcast, the compressed and encrypted data is broadcast and the EMD server 5
Requires a decryption key to be used for the decryption. However, in the data broadcasting, the compressed encrypted data is not broadcasted (but may be broadcasted), and the compressed encryption data is transmitted to the EMD server 5. It is also possible to request a set of data and a decryption key for decrypting the data. Alternatively, it is also possible to request the EMD server 5 for unencrypted official music data.

In the above case, the official music data is provided by the data broadcast or the EMD server 5 separately from the main broadcast data. It is possible to use it.

That is, in the above case, the compressed and encrypted data broadcast in the data broadcast is obtained by compressing and encrypting the official music data, and the official music data is broadcast in the main broadcast. However, if the official music data (first signal) is, for example, as shown in FIG.
In the main broadcast, for example, at the beginning or end,
DJ voice, narration,
According to the official music data such as jingles, sound effects, and advertisement sounds, noise (second signal) is superimposed, so to speak, in FIG.
Main broadcast data as shown in FIG. 1 (C) is often broadcast. Therefore, of the main broadcast data, DJ sound or jingle which becomes noise for the official music data as shown in FIG. 11D, which is the same as FIG. 11B, is used as data for generating the official music data. If it is included in the data broadcast data, using the data for generation and the main broadcast data,
Official music data can be obtained (generated).

In this case, the signal processing unit 13 of the transmission device 1 (FIG. 4) is configured as shown in FIG. 12, for example. In the figure, parts corresponding to those in FIG. 7 are denoted by the same reference numerals, and the description thereof will be made below.
Omitted as appropriate. That is, the signal processing unit 13 in FIG. 12 includes a mixer 151, a data compression unit 153, and an encryption unit 153.
Is basically provided in the same manner as in FIG.

The mixer 151 includes, as generation data, single and advertisement voices that become noises in the official music data other than the official music data included in the main broadcast data, and DJ audio output from the A / D converter 52 as generation data. Is entered. In the mixer 151, the generation data supplied thereto is mixed and supplied to the data compression section 152. The data compression section 152 compresses the data for generation, and
53. In the encryption unit 153, the generation data output from the data compression unit 152 is encrypted.
8 is supplied.

[0139] The signal processing unit 13 shown in FIG. 12 confirms that the data to be generated, which is output from the encryption unit 153, is arranged in (data broadcast content of) the data broadcast data in place of the compressed and encrypted data. Except for this, the main broadcast data and the data broadcast data are configured and output as in the case described with reference to FIG.

Next, FIG. 13 shows an example of the configuration of the signal processing unit 27 of the user terminal 3 (FIG. 5) when data for generation is included in the data broadcast data. In the drawing, the same components as those in FIG. 9 are denoted by the same reference numerals, and the description thereof will be made below.
Omitted as appropriate. That is, the signal processing unit 27 in FIG. 13 is basically configured in the same manner as in FIG. 9 except that the memory 161 and the arithmetic unit 162 are provided.

The memory 161 temporarily stores the main broadcast data output from the data decompression unit 61.
When the storage capacity is exhausted, the memory 161 stores the latest main broadcast data by overwriting the oldest main broadcast data, for example. However, in the memory 161, the storage and deletion of the main broadcast data are performed in units of one music (program).

On the other hand, in DMUX 62, the data broadcast data supplied thereto is separated into bookmark data and data broadcast contents. In addition, DMUX6
In 2, the data broadcast content is separated into display data, sample sound, generation data, and the like, and is supplied to the selector 63 together with the bookmark data.

The selector 63 temporarily stores the data from the DMUX 63 in the memory 63A, and thereafter sequentially updates the stored content to data newly supplied from the DMUX 63.

When the operation unit 31 performs a bookmark operation, the selector 63 sets the memory 63 as described above.
The bookmark data and the sample voice stored in A are read out, supplied to the storage 64, and stored.
The selector 63 also reads out the generation data included in the data broadcast content instead of the compressed and encrypted data from the memory 63A, and supplies the data to the storage 64 for storage. Further, the selector 63 is provided with the operation unit 3
When the bookmark operation is performed on the main broadcast data, the main broadcast data stored in the memory 161 is changed until the song ends (the main broadcast data for one music is stored in the memory 161). Read out) and supply it to the storage 64 for storage.

Thereafter, when the operation unit 31 performs a download operation, the download processing unit 65 accesses the EMD server 5 based on the EMD link in the bookmark data stored in the storage 64, as in the case of FIG. Then, it requests a decryption key for decrypting the generation data stored in the storage 64. EMD server 5
Transmits the decryption key in response to this request, and the decryption key is received by the download processing unit 65 and stored in the storage 64. Here, it is assumed that a decryption key for decrypting the data encrypted by the encryption unit 153 in FIG. 12 is stored in the EMD server 5.

Then, when the operation section 31 is operated for reproduction,
The reproduction control unit 67 reads out the generation data and the decryption key stored therein from the storage 64 and supplies them to the decoder 68. The decoder 68 similarly decodes the generation data from the reproduction control unit 67 using the decoding key from the reproduction control unit 67, and supplies the decoded data to the data decompression unit 69. In the data decompression unit 69, the decoded data from the decoder 68 is decompressed into data for generation and supplied to the arithmetic unit 162.

[0147] The reproduction control section 67 is provided with the storage 64.
Then, the main broadcast data stored therein is also read and supplied to the arithmetic unit 162. The arithmetic unit 162 includes the reproduction control unit 67
11C supplied from the data decompression unit 69 from the main broadcast data as shown in FIG.
By subtracting the generation data as shown in (D), the official music data as shown in FIG. 11 (A) is generated. This official music data is supplied to the speaker 29 via the D / A converter 28, and thereby the speaker 2
From 9, for example, the same music as in the case of reproducing a CD is output.

Next, in the main broadcast, for example, FIG.
After the official music data # 1 as shown in FIG. 14B is broadcast, the official music data # 2 as shown in FIG. 14B may be continuously broadcasted.
Before the transmission of No. 1 is completed, the transmission of the official music data # 2 may be started. In this case, the official song data # 1
The main broadcast data as shown in FIG. 14 (C) is transmitted in which the end part of the original music data and the start part of the official music data # 2 are overlapped. Based on the data # 1, the official music data # 2 becomes noise, and conversely, from the official music data # 2, the official music data # 1 becomes noise. Therefore, as shown in FIG. 14 (D) or FIG. 14 (E), overlapping portions of the official music data # 1 or # 2 (hereinafter, appropriately referred to as overlapping portions) are used as generation data. If the broadcast data is included in the data broadcast data transmitted together with the main broadcast data including the official music data # 1 and # 2, the official music data # 1 and # 2 are used by using the generation data and the main broadcast data. Can be obtained.

It should be noted that the official music data # 1 is shown in FIG.
14D by replacing the overlap portion of the main broadcast data of FIG. 14D with the overlap portion of the official music data # 1 of FIG. It can also be generated by subtracting the overlapping part of the official music data # 2 of (E). The same applies to the official music data # 2.

FIG. 15 shows a case where the main broadcast data has an overlap portion as described with reference to FIG.
5 shows a configuration example of a signal processing unit 13 of the transmission device 1 (FIG. 4). In the figure, parts corresponding to those in FIG. 7 are denoted by the same reference numerals, and a description thereof will be omitted as appropriate below. That is, the signal processing unit 13 shown in FIG.
Are the overlap detection unit 251, the data compression unit 252,
The configuration is basically the same as that in FIG. 7 except that an encryption unit 253 is newly provided.

In the embodiment shown in FIG. 15, formal music data # 1 broadcasted earlier in time is followed by official music data # 2 broadcast partially overlapping. Input to the mixer 53,
It is mixed with other DJ voices and jingles and output. Note that here, for simplicity of explanation,
DJ sound and the like are not superimposed on the official music data # 1 and # 2.

Further, the official music data # 1 and # 2 are
It is also supplied to the overlap detector 251. The overlap detecting section 251 detects a section where the official music data # 1 and # 2 overlap (hereinafter, appropriately referred to as an overlap section), and the official music data # 1 and # 2 in the overlap section. That is, the overlap portion of the official music data # 1 and the overlap portion of the official music data # 2 are supplied to the data compression unit 252 as data for generation. The data compression unit 252 compresses one or both of the overlapping part of the official music data # 1 and the overlapping part of the official music data # 2 as the data for generation, and supplies the compressed data to the encryption unit 253. Is done. In the encryption unit 253, the generation data output from the data compression unit 252 is encrypted and supplied to the MUX 58.

The signal processing unit 13 shown in FIG. 15 confirms that the data to be generated output from the encryption unit 253 is arranged in the data broadcast data (contents for data broadcast) in place of the compressed and encrypted data. Except for this, the main broadcast data and the data broadcast data are configured and output as in the case described with reference to FIG.

When the above-mentioned data broadcast data is transmitted, the signal processing section 27 of the user terminal 3 (FIG. 5) has the same configuration as that shown in FIG. 13, for example.

However, when the official music data # 1 is generated, if the overlapping data of the official music data # 1 is included as the generation data, the arithmetic unit 162 determines the overlapping part of the main broadcast data. Is replaced with the overlapping part of the official music data # 1, thereby generating the official music data # 1. When the data for generation includes an overlap portion of the official music data # 2, the arithmetic unit 162 subtracts the overlap portion of the official music data # 2 from the overlap portion of the main broadcast data. Thereby, the official music data # 1 is generated.

On the other hand, in the case where the official music data # 2 is generated, if the overlapping data of the official music data # 2 is included as the generation data, the arithmetic unit 162 determines the overlapping part of the main broadcast data. Is replaced with the overlapping part of the official music data # 2, thereby generating the official music data # 2. When the generation data includes the overlap portion of the official music data # 1, the computing unit 162 subtracts the overlap portion of the official music data # 1 from the overlap portion of the main broadcast data. Thereby, the official music data # 2 is generated.

When the data for generation includes both the overlapping portions of the official music data # 1 and # 2, the official music data # 1 can be obtained by any of the above-described replacement and subtraction techniques. Alternatively, # 2 can be generated.

When the official music data # 1 and # 2 are broadcast so as not to overlap, the overlapping portions of the official music data # 1 and # 2 are both zero. In this case, by receiving the main broadcast data, it becomes possible to obtain the official music data # 1 and # 2.

Further, in the embodiment shown in FIG. 15, the overlap section (the start point and the end point of the overlap section other than the length itself) detected by the overlap detection section 251 is the data It is possible to transmit the broadcast data included in the broadcast data.

[0160] The overlap section can be made variable by adjusting the time at which the input of the official music data # 2 is started.

Next, in the embodiment of FIG. 12 and FIG. 15, the part of the main broadcast data in which the DJ sound or the like is superimposed on the official music data and the overlapping part are different from the official music data. The other parts are the official music data itself, and thus are almost the same as the official music data when the main broadcast data has a portion where the DJ audio or the like is superimposed or has little overlap. Therefore, in this case, recording the main broadcast may increase the number of users, and the number of downloads may decrease. Such a situation is not preferable for the EMD service provider.

Therefore, when the transmitting apparatus 1 intends to broadcast the official music data as shown in FIG.
6 (C), a low frequency component and a high frequency component,
Alternatively, the data is divided into upper bits and lower bits, and the low frequency component or the upper bit is transmitted as the main broadcast data, and the high frequency component or the lower bit is transmitted as the data for generation in the data broadcast data. Can be.

In this case, in the main broadcast, a song whose sound quality is deteriorated compared to the official song data is broadcast. However, the user uses the high frequency component or the lower bits as the generation data to transmit the official song data. , It is possible to listen to high-quality music.

FIG. 17 shows that, as described above, the official music data is divided into low frequency components and high frequency components or upper bits and lower bits, and the low frequency components or upper bits are transmitted as main broadcast data. Transmitting apparatus 1 for transmitting a high frequency component or a lower bit as data for generation in data broadcast data.
5 shows a configuration example of the signal processing unit 13 shown in FIG. In the figure, parts corresponding to those in FIG. 7 are denoted by the same reference numerals, and the description thereof will be made below.
Omitted as appropriate. That is, the signal processing unit 13 in FIG. 17 is basically configured in the same manner as in FIG. 7 except that a data division unit 351, a data compression unit 352, and an encryption unit 353 are newly provided. I have.

The official song data of the song broadcasted in the main broadcast is
The data is supplied to the data dividing unit 351 and the data dividing unit 351
Divides the official music data into low frequency components and high frequency components, or upper bits and lower bits.

That is, the data dividing section 351 performs, for example, subband encoding of the official music data and divides it into several frequency components. Then, of the several frequency components, for example, the highest frequency component is set as the high frequency component, and the rest is output as the low frequency component.
Alternatively, the data dividing unit 351 performs, for example, discrete cosine transform of the official music data and outputs low-order coefficients as low-frequency components and high-order coefficients as high-frequency components. The data division unit 351 simply divides the official music data into upper bits and lower bits and outputs the data.

Here, the data division unit 351 will be described below as appropriate.
The low-frequency component or higher-order bits obtained in the above are called normal-sound-quality music data, and the high-frequency component or lower-order bits are called high-quality sound data.

The normal sound quality music data output from the data dividing unit 351 is supplied to the mixer 53 and transmitted as main broadcast data in the same manner as described above.

The high-quality data output from the data dividing section 351 is used as data for generation as the data compressing section 35.
2 is supplied. The data compression section 252 compresses the high-quality data as the data for generation, and
Supplied to In the encryption unit 353, the data compression unit 35
2 is encrypted and supplied to the MUX 58.

[0170] The signal processing unit 13 in FIG. 17 confirms that the data to be generated, which is output from the encryption unit 353, is arranged in (data broadcast content of) the data broadcast data instead of the compressed and encrypted data. Except for this, the data broadcast data is configured and output in the same manner as described with reference to FIG.

The signal processing unit 27 of the user terminal 3 (FIG. 5) in the case where the above data broadcast data is transmitted is configured, for example, in the same manner as that shown in FIG.

In FIG. 13, the main broadcast data output by the data decompression unit 61 is normal-sound music data, that is, low-frequency components or high-order bits of the official music data. It becomes more deteriorated.

Therefore, a user who desires a higher quality music piece needs to obtain a decryption key for decoding the generation data and generate official music data in the same manner as described with reference to FIG. .

In this case, the arithmetic unit 162 in FIG. 13 performs subband decoding and inverse discrete cosine transform using the main broadcast data and the generation data, and generates the main broadcast data as the upper bits and the lower bits as the lower bits. For example, the official music data is generated by performing synthesis with the application data.

As described above, using the main broadcast data,
When providing official song data, in data broadcasting, compress and encrypt the generation data, which is basically smaller in data volume than the compressed and encrypted data obtained by compressing and encrypting the entire official song data, and sending it. As a result, it is possible to further include other data in the data broadcast data, or it is possible to transmit the data broadcast data with a small transmission capacity.

In the above case, the data for generation is included in the data broadcast data and transmitted. However, the data for generation is not included in the data for data broadcast (or
It is also possible to provide them together with the decryption key from the EMD server 5.

Next, in the main broadcast,
While a certain song #k is being transmitted, in data broadcasting, bookmark data as information for obtaining the song #k is arranged in the bookmark section (FIG. 3) and transmitted periodically, and the song #k is transmitted. k, the data of the jacket photo and the compressed and encrypted data are arranged and transmitted in the complete section (FIG. 3). That is, the transmission of the data broadcast data for a certain song #k is performed in the main broadcast. The transmission starts with the transmission of #k and ends with the end of the transmission. However, the transmission of the bookmark data of the music #k in the data broadcast data is performed in the same manner as described above in the case where the main broadcast of the music #k is performed. The transmission is performed only while the music #k is being performed, and the transmission of the music #k jacket photo data and the compressed encrypted data is performed at a time different from the time when the main broadcast of the music #k is performed (accordingly, the transmission is performed). To Time to start is different) can be.

That is, for example, as shown in FIG.
The data such as the jacket picture of k can be included in the data broadcasting data of the music # k-1 broadcasted in the main broadcast before the music #k and transmitted.

Generally, image data such as a jacket photograph has a large amount of data.
In the case of transmission by data broadcasting, the user terminal 3 displays the jacket photo on the user terminal 3 until a certain time (time required for transmitting image data such as a jacket photo) elapses after the main broadcast of the song #k starts. Cannot be displayed. Therefore, after the main broadcast of the song #k is started, the user has to wait for a certain period of time until the user can see the jacket picture of the song #k.

On the other hand, the data such as the jacket photo of the song #k is included in the data broadcasting data of the song # k-1 broadcasted in the main broadcast before the song #k. When transmitting, the music #
When the main broadcast of the song #k is started, all the data of the jacket picture for the song #k is received, and therefore, after the main broadcast of the song #k is started, the user immediately starts the music #k. It becomes possible to see the jacket photo of.

Also, for example, as shown in FIG.
The k compressed and encrypted data can be transmitted by being included in the data broadcasting data of the song # k + 1 broadcasted in the main broadcast in time later than the song #k.

As described with reference to FIG. 10, storage (recording) of the compressed and encrypted data of the music #k in the storage 64 (FIG. 9)
Is started when a bookmark operation is performed on the operation unit 31 (FIG. 5). Therefore, if the compressed and encrypted data for the song #k is transmitted in the data broadcast while the main broadcast of the song #k is being performed, the user listens to the song #k in the main broadcast to some extent, and then bookmarks the song. When the operation is performed, the transmission of the compressed and encrypted data for the song #k may already be started.

On the other hand, in the case where the compressed and encrypted data of the music #k is included in the data broadcast data of the music # k + 1 broadcasted in the main broadcast after the music #k and transmitted. Means that the transmission of the compressed and encrypted data for the song #k starts after the main broadcast of the song #k ends, so that the user performs a bookmark operation after listening to the song #k in the main broadcast to some extent. In this case, after the main broadcast of the song #k ends and the data broadcast of the next song #k starts, the compressed and encrypted data of the song #k can be received. become.

Here, the compressed encrypted data of the song #k is replaced with the song #k broadcasted in the main broadcast temporally after the song #k.
The transmission including the +1 in the data broadcasting data is particularly effective when the signal processing unit 27 (FIG. 9) of the user terminal 3 is configured without, for example, the memory 63A. That is, when the signal processing unit 27 does not include the memory 63A, the compressed and encrypted data of the song #k is transmitted in the data broadcast while the main broadcast of the song #k is being performed. When the bookmark operation is performed, the transmission of the compressed and encrypted data for the song #k may have already been completed halfway (or to the end), and as a result, the normal compression and encryption may be performed. You will not be able to get data. On the other hand, when the compressed and encrypted data of the music #k is included in the data broadcast data of the music # k + 1 and transmitted, even if the memory 63A is not provided, after the main broadcast of the music # k + 1 starts, Song #k
, Normal compressed and encrypted data can be obtained.

In the above case, as shown in FIG. 18, the compressed encrypted data of the music # k-1 and the music # k +
The image data such as the jacket photo of No. 1 is transmitted while being included in the data broadcast data of the music #k.

The position of the data such as the jacket picture of the music #k in the data broadcast data of the music # k-1 is not particularly limited. In the embodiment, the transmission of the data such as the jacket picture of the song #k is terminated at the same time as the main broadcast of the song # k-1 is terminated.

Further, the position of the compressed encrypted data of the music #k in the data broadcast data of the music # k + 1 is not particularly limited.
In the eighth embodiment, the transmission of the compressed and encrypted data of the music #k is started at the same time as the data broadcasting of the music # k + 1 is started.

Also, the data such as the jacket picture of the song #k can be included not in the data broadcast data of the song # k-1 but in the data broadcast data broadcast earlier in time. It is. Similarly, the compressed and encrypted data of the song #k can be included not in the data broadcast data of the song # k + 1 but in the data broadcast data broadcast later in time.

Next, referring to the flowchart of FIG. 19, as shown in FIG.
The transmission of the bookmark data (first additional information) of the song #k is performed only while the main broadcast of the song #k is being performed.
Jacket photo data, compressed encrypted data, etc.
Is transmitted at a time different from the time when the main broadcast of song #k is performed (FIG. 4).
The processing of the synchronization adjustment circuit 55 in the signal processing unit 13 (FIG. 7) will be described. Here, the description will be made assuming that the music #k is the attention music that is the target of the current processing.

In the synchronization adjustment circuit 55, first, in step S31, the bookmark data of the music of interest #k supplied thereto is stored in the memory 55A. Then, the process proceeds to step S32, in which the number of data frames required for transmitting the compressed and encrypted data of the song # k-1 broadcast before the target song #k is set in the variable A, and the variable B is set.
A data frame necessary for transmitting image data such as a jacket photo of a song # k + 1 broadcast next to the noted song #k (because this is for introducing a song, and is hereinafter appropriately referred to as introduction data). The number is set. Further, in step S32, the number of music frames required to transmit the music of interest #k is set in a variable N. Here, it is assumed that variables A, B, and N have a relationship of A <NB.

Then, in step S33, a variable i for counting the number of music frames and data frames is set to 1 as an initial value, and step S33 is executed.
34, a music frame #i is constructed, and step S
Proceed to 35. In step S35, it is determined whether the variable i is equal to or less than the variable A.

At the step S35, the variable i is set to the variable A
If determined to be less than or equal to, that is, if the number of data frames transmitted for song #k is less than or equal to the number of data frames required for transmitting the compressed and encrypted data of song # k-1, the process proceeds to step S36. Then, following the bookmark data stored in the memory 55A, the compressed encrypted data of the song # k-1 is arranged, thereby forming the data frame #i. Then, the synchronization adjustment circuit 55 outputs the music frame #i formed in step S34 together with the data frame #i, and proceeds to step S40.

If it is determined in step S35 that the variable i is not smaller than the variable A, that is, the music # k-1
If all of the compressed encrypted data has been sent,
Proceeding to step S37, it is determined whether the variable i is equal to or smaller than NB.

At the step S37, the variable i is set to NB
If it is determined that the following is true, that is, if the number of remaining data frames transmitted for song #k is larger than the number of data frames required for transmitting the introduction data of song # k + 1, the process proceeds to step S38. Following the bookmark data stored in the memory 55A, data broadcast contents (except for the compressed encrypted data and the introduction data) of the music of interest #k are arranged.
i is configured. Then, the synchronization adjustment circuit 55 outputs the music frame #i formed in step S34 together with the data frame #i, and proceeds to step S40.

In step 37, the variable i is set to N
-B, that is, the number of remaining data frames transmitted for song #k is song # k + 1
If the number of data frames is equal to or less than the number of data frames required to transmit the introduction data of the song # k + 1, the introduction data of the song # k + 1 is arranged following the bookmark data stored in the memory 55A. #
i is configured. Then, the synchronization adjustment circuit 55 outputs the music frame #i formed in step S34 together with the data frame #i, and proceeds to step S40.

In step S40, the variable i is incremented by one, and the flow advances to step S41 to determine whether the variable i is larger than the variable N. If it is determined in step S41 that the variable i is not larger than the variable N, that is, if all the music frames and data frames for the music of interest #k have not yet been transmitted, the process returns to step S34, and the same applies hereinafter. The process is repeated.

If it is determined in step S41 that the variable i is larger than the variable N, that is, if the target music #k
When all the music frames and data frames for have been transmitted, the process waits until the bookmark data of the next song # k + 1 is supplied, returns to step S31, and sets the next song # k + 1 as a new attention song. , Step S
The processing from 31 is repeated.

[0198] It is also possible to arrange and transmit the data of the jacket picture of the song #k over the data broadcast data of the song # k-1 and the song #k. Similarly,
The compressed and encrypted data of the song #k can be arranged and transmitted over the data broadcast data of the song #k and the song # k + 1. That is, it is possible to arbitrarily set the time at which transmission of the data of the jacket photo of the song #k and the transmission of the compressed and encrypted data are started.

In the above-described case, the encrypted data of the music #k is arranged in the data broadcast data of the music # k + 1. However, the data broadcast data of the music # k + 1 includes the music # k + 1. It is also possible to arrange generation data for.

The case where the present invention is applied to radio broadcasting has been described above. However, the present invention can also be applied to television broadcasting and the like. When the present invention is applied to television broadcasting, in addition to providing image data such as a movie broadcasted by the television broadcasting (a service providing audio data is referred to as an EMD service as described above, A service that provides data can be referred to as EVD (Electric Video Distribution). For example, in a television broadcast, when a certain scene of game software is broadcast, the game software (computer program) can be provided. It is.

Also, in the present embodiment, terrestrial waves are used as transmission medium 2 (FIG. 1).
Others include satellite lines, the Internet, CA
It is possible to adopt a TV (Cable Television) network or the like.

Further, in the present embodiment, compressed and encrypted data obtained by encrypting official music data and data obtained by encrypting data for generation are provided, but the official music data and data for generation are encrypted. It is also possible to provide without.

Further, in the present embodiment, the decryption key and the like are provided for a fee, but they can be provided free of charge.

Further, in the present embodiment, the operation unit 31
By operating (FIG. 5), a predetermined input is given to the signal processing unit 27, but other predetermined input is given to the signal processing unit 27, for example, by voice. It is also possible. However, in that case, a voice recognition device that performs voice recognition is required.

Also, in the present embodiment, the bookmark data is transmitted periodically by arranging it in the bookmark portion of the data frame. However, the bookmark data does not necessarily need to be transmitted periodically.

[0206]

According to the transmission method and the transmission apparatus of the present invention, when transmitting a broadcast signal and first and second additional information, transmission of the first additional information starts together with transmission of the broadcast signal. The transmission timing of the broadcast signal and the first and second additional information is controlled such that the transmission of the second additional information is started at a different time from the transmission of the broadcast signal. Therefore, for example, on the receiving side, it is possible to output the second additional information immediately at the start of transmission of the broadcast signal, or to receive the second additional information after the end of the broadcast signal.

According to the receiving method and the receiving apparatus of the present invention, the broadcast signal and the first additional information whose transmission has been started simultaneously are received, and the broadcast signal whose transmission has been started at a different time from the broadcast signal transmission is received. 2 is received, and the first and second additional information are stored. Therefore, for example, it becomes possible to output the second additional information immediately at the start of transmission of the broadcast signal, or to obtain the second additional information after the end of the broadcast signal.

According to the transmission method and the transmission system of the present invention, when transmitting a broadcast signal and first and second additional information, transmission of the first additional information is started together with transmission of the broadcast signal, The transmission timing of the broadcast signal and the first and second additional information is controlled such that the transmission of the second additional information is started at a different time from the transmission of the broadcast signal. On the other hand, the broadcast signal and the first and second additional information thus transmitted are received, and the first and second additional information are stored. Therefore, for example, on the receiving side, it is possible to immediately output the second additional information at the time of starting the transmission of the broadcast signal, or to obtain the second additional information after the end of the broadcast signal.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a configuration example of an embodiment of a bookmark radio system to which the present invention has been applied.

FIG. 2 is a diagram showing transmission formats of main broadcast data and data broadcast data.

FIG. 3 is a diagram showing data formats of main broadcast data and data broadcast data.

FIG. 4 is a block diagram illustrating a configuration example of a transmission device 1 of FIG. 1;

FIG. 5 is a block diagram showing a configuration example of a user terminal 3 of FIG.

FIG. 6 is a block diagram showing a configuration example of an EMD server 5 of FIG.

FIG. 7 is a block diagram illustrating a first configuration example of a signal processing unit 13 of FIG. 4;

FIG. 8 is a flowchart for explaining processing of a synchronization adjustment circuit 55 of FIG. 7;

FIG. 9 is a block diagram illustrating a first configuration example of a signal processing unit 27 in FIG. 5;

FIG. 10 is a flowchart illustrating a process of a signal processing unit 27 of FIG. 9;

FIG. 11 is a diagram for explaining a method of providing official music data using main broadcast data.

FIG. 12 is a block diagram illustrating a second configuration example of the signal processing unit 13 of FIG. 4;

13 is a block diagram illustrating a second configuration example of the signal processing unit 27 in FIG.

FIG. 14 is a diagram for explaining a method for providing official music data using main broadcast data.

FIG. 15 is a block diagram illustrating a third configuration example of the signal processing unit 13 of FIG. 4;

FIG. 16 is a diagram for explaining a method for providing official music data using main broadcast data.

FIG. 17 is a block diagram illustrating a fourth configuration example of the signal processing unit 13 of FIG. 4;

FIG. 18 is a diagram showing transmission contents of a main broadcast and transmission contents of a data broadcast.

FIG. 19 is a flowchart illustrating a process of the synchronization adjustment circuit 55 of FIG. 7;

[Explanation of symbols]

1 transmission device, 2 transmission medium, 3 user terminal,
4 Internet, 5 EMD server, 6 billing server, 11 microphone (microphone), 12 storage, 13 signal processing unit, 14, 15 ECC circuit, 16MUX, 17 digital modulation circuit, 1
Reference Signs List 8 transmitter, 19, 21 antenna, 22 digital radio tuner, 22A reception control unit, 23
Digital demodulation circuit, 24 DMUX, 25, 26
ECC circuit, 26 ARAM, 27 signal processing unit,
28 D / A converter, 29 speaker, 30 display device, 31 operation unit, 32 modem, 41 database, 42 control unit, 43 modem, 44
Billing unit, 51 amplifier, 52 A / D converter,
53 mixer, 54 data compression section, 55 synchronization adjustment circuit, 55A memory, 56, 57 data compression section, 58 MUX, 61 data decompression section, 62
DMUX, 63 selector, 63A memory, 6
4 storage, 65 download processing unit, 66
Personal information storage unit, 67 playback control unit, 68 decoder, 69, 70 data decompression unit, 151 mixer,
152 data compression unit, 153 encryption unit, 16
1 memory, 162 arithmetic unit, 251 overlap detection unit, 252 data compression unit, 253 encryption unit, 351 data division unit, 352 data compression unit, 353 encryption unit

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04N 7/03 H04N 7/08 A 7/035 // G10K 15/04 302 (72) Inventor Yuichiro Deguchi Tokyo 6-7-35 Kita-Shinagawa, Shinagawa-ku, Sony Corporation (72) Inventor Masayuki Obata 6-7-35 Kita-Shinagawa, Shinagawa-ku, Tokyo Inside Sony Corporation (72) Inventor Masahiro Nebe Shinagawa, Tokyo 6-7-35 Kita-Shinagawa-ku Sony Corporation (72) Inventor Tatsuya Inokuchi 7-35 Kita-Shinagawa, Shinagawa-ku, Tokyo Sony Corporation (72) Inventor Shuichi Ito Kita, Shinagawa-ku, Tokyo 6-7-35 Shinagawa F-term in Sony Corporation (reference) 5C063 AB03 AB09 AC02 AC05 AC10 CA11 CA12 CA20 CA40 5D108 BC11 BF11 5K030 GA15 HB01 HB02 HB16 KA02 LD07 LD19 LD20 5K061 AA09 BB17 FF01 FF11 GG09 JJ06 JJ07

Claims (132)

[Claims] 1. A predetermined broadcast signal, and first and second broadcast signals
A transmitting step of transmitting the broadcast signal and the first and second additional information, and the transmission of the first additional information is started together with the transmission of the broadcast signal. And a control step of controlling the transmission timing of the broadcast signal and the first and second additional information so that transmission of the second additional information is started at a different time from transmission of the broadcast signal. A transmission method comprising: 2. The transmission method according to claim 1, wherein, in the transmitting step, the first additional information is transmitted a plurality of times while the broadcast signal is being transmitted. 3. The transmission method according to claim 1, wherein the first additional information includes acquisition information necessary for acquiring related data related to the broadcast signal. 4. The transmission method according to claim 3, wherein the obtained information includes unique information unique to the related data related to the broadcast signal. 5. The transmission method according to claim 3, wherein the acquisition information includes recognition information useful for recognizing the contents of the related data. 6. The transmission method according to claim 3, wherein the obtained information includes access information used to access a providing location that provides the related data. 7. The transmission method according to claim 1, wherein the transmission of the second additional information is started after the transmission of the broadcast signal is started. 8. The transmission method according to claim 7, wherein the transmission of the second additional information is started after the transmission of the broadcast signal is started and before the transmission is ended. . 9. The transmission method according to claim 7, wherein the transmission of the second additional information is started when transmission of the broadcast signal ends. 10. The transmission method according to claim 7, wherein the transmission of the second additional information is started after the transmission of the broadcast signal ends and a predetermined time has elapsed. 11. The transmission method according to claim 7, wherein the time from the start of transmission of the broadcast signal to the start of transmission of the second additional information is variable. 12. The apparatus according to claim 7, wherein the second additional information is related data related to the broadcast signal.
Transmission method described in. 13. The apparatus according to claim 12, wherein the second additional information is obtained by encrypting the related data.
Transmission method described in. 14. The transmission method according to claim 12, wherein the second additional information is obtained by compressing the related data. 15. The transmission method according to claim 12, wherein, when predetermined image data or audio data is transmitted as the broadcast signal, the related data is the image data or audio data. . 16. In the case where image data or audio data obtained by executing a predetermined computer program is transmitted as the broadcast signal, the related data is the computer program. Item 13. The transmission method according to Item 12. 17. The transmission method according to claim 1, wherein the transmission of the second additional information is started before the transmission of the broadcast signal is started. 18. The transmission of the second additional information may be performed at least in a second transmission of the broadcast signal before the transmission of the broadcast signal is started.
18. The transmission method according to claim 17, wherein the transmission is started before a time required for transmitting the additional information. 19. The transmission method according to claim 17, wherein the second additional information includes recognition information useful for recognizing the content of the broadcast signal. 20. The broadcast signal according to claim 1, wherein the first signal is a second signal.
3. The signal of claim 1, wherein
Transmission method described in. 21. The transmission method according to claim 20, wherein the first signal is a predetermined image or sound, and the second signal is noise other than the image or sound. 22. The transmission method according to claim 20, wherein the second additional information is the second signal or a signal capable of generating the second signal. 23. The apparatus according to claim 22, wherein the second additional information is obtained by encrypting the second signal.
Transmission method described in. 24. The first signal is a first image or sound, the second signal is a second image or sound, and the broadcast signal includes the first image or sound. ,
21. The transmission method according to claim 20, wherein a part of the second image or the sound is temporally overlapped. 25. The method according to claim 25, wherein the first image or sound is transmitted earlier in time and the second image or sound is transmitted later in time. Of the end of the second
25. The transmission method according to claim 24, wherein the first part of the image or the sound of the first image overlaps with the first part. 26. The method according to claim 24, wherein a time width of a portion where the first image or the sound overlaps with a part of the second image or the sound is variable. The transmission method described. 27. The method according to claim 27, wherein the second additional information includes a time width of a portion where the first image or the sound partially overlaps with the second image or the sound. The transmission method according to claim 24. 28. The transmission according to claim 24, wherein the second additional information includes the first image or the sound or the second image or the sound of the overlapping portion. Method. 29. The first portion of the overlapping portion
The transmission of the second additional information including the image or the audio, or the second image or the audio is performed by the broadcast signal corresponding to the first image or the audio, or the second
29. The transmission method according to claim 28, wherein the transmission method is started after the transmission of any one of the broadcast signals corresponding to the image and the audio of the broadcast signal is started. 30. An overlapping portion of the first image or sound, which is included in the second additional information,
29. The transmission method according to claim 28, wherein the second image or sound is encrypted. 31. The method according to claim 31, further comprising a step of dividing relevant data related to the broadcast signal into a first component and a second component, wherein the transmitting step includes using the first component as the broadcast signal. The transmission method according to claim 1, wherein the transmission is performed. 32. The transmission method according to claim 31, wherein the second additional information includes the second component. 33. The apparatus according to claim 32, wherein the second additional information is obtained by encrypting the second component.
Transmission method described in. 34. The related data is image data or audio data, the first component is a low-frequency component or high-order bit of the image data or audio data, and the second component is the image data or audio data. 32. The transmission method according to claim 31, wherein the transmission method is a high-frequency component or low-order bit of data or audio data. 35. A transmitting device for transmitting a predetermined broadcast signal and first and second additional information, wherein the transmitting device transmits the broadcast signal and the first and second additional information; The transmission of the additional signal is started together with the transmission of the broadcast signal, and the transmission of the second additional information is started at a different time from the transmission of the broadcast signal. And a control unit for controlling transmission timings of the first and second additional information. 36. The transmitting apparatus according to claim 35, wherein the transmitting unit transmits the first additional information a plurality of times while the broadcast signal is being transmitted. 37. The transmitting apparatus according to claim 35, wherein the first additional information includes acquisition information necessary for acquiring related data related to the broadcast signal. 38. The transmitting apparatus according to claim 37, wherein the obtained information includes unique information unique to the related data related to the broadcast signal. 39. The transmitting apparatus according to claim 37, wherein the obtained information includes recognition information useful for recognizing the contents of the related data. 40. The transmitting apparatus according to claim 37, wherein the acquisition information includes access information used to access a providing place providing the related data. 41. The transmitting apparatus according to claim 35, wherein the transmission of the second additional information is started after the transmission of the broadcast signal is started. 42. The apparatus according to claim 4, wherein the second additional information is related data related to the broadcast signal.
2. The transmission device according to 1. 43. The apparatus according to claim 42, wherein the second additional information is obtained by encrypting the related data.
The transmitting device according to claim 1. 44. The transmitting apparatus according to claim 42, wherein, when predetermined image data or audio data is transmitted as the broadcast signal, the related data is the image data or audio data. . 45. When image data or audio data obtained by executing a predetermined computer program is transmitted as the broadcast signal, the related data is the computer program. Item 43. The transmission device according to item 42. 46. The transmitting apparatus according to claim 35, wherein the transmission of the second additional information is started before the transmission of the broadcast signal is started. 47. The transmission of the second additional information is performed at least by the second
47. The transmitting apparatus according to claim 46, wherein the transmitting apparatus starts before a time required for transmitting the additional information. 48. The transmitting apparatus according to claim 46, wherein the second additional information includes recognition information useful for recognizing the content of the broadcast signal. 49. The broadcast signal comprising a first signal and a second signal
3. The signal of claim 3, wherein
6. The transmitting device according to 5. 50. The transmitting apparatus according to claim 49, wherein the second additional information is the second signal or a signal capable of generating the second signal. 51. The apparatus according to claim 50, wherein the second additional information is obtained by encrypting the second signal.
The transmitting device according to claim 1. 52. The first signal is a first image or sound, the second signal is a second image or sound, and the broadcast signal includes the first image or sound. ,
50. The transmitting apparatus according to claim 49, wherein a part of the second image or the sound overlaps temporally. 53. The transmission according to claim 52, wherein the second additional information includes the first image or sound or the second image or sound in an overlapping portion. apparatus. 54. An overlapping portion of the first image or sound, which is included in the second additional information,
54. The transmitting device according to claim 53, wherein the second image or sound is encrypted. 55. A broadcasting apparatus further comprising: a dividing unit that divides related data related to the broadcast signal into a first component and a second component, wherein the transmitting unit uses the first component as the broadcast signal. 36. The transmitting device according to claim 35, wherein the transmitting device transmits. 56. The transmitting apparatus according to claim 55, wherein said second additional information includes said second component. 57. The apparatus according to claim 56, wherein the second additional information is obtained by encrypting the second component.
The transmitting device according to claim 1. 58. The related data is image data or audio data, the first component is a low-frequency component or high-order bit of the image data or audio data, and the second component is the image data or audio data. The transmission device according to claim 55, wherein the transmission device is a high-frequency component or lower-order bits of data or audio data. 59. A receiving method for receiving a predetermined broadcast signal and first and second additional information, the method comprising receiving the broadcast signal and the first additional information that have been simultaneously transmitted and receiving the broadcast signal. A receiving step of receiving the second additional information whose transmission has started at a different time from the signal transmission; and a storing step of storing the first and second additional information. . 60. The receiving method according to claim 59, further comprising a temporary storing step of temporarily storing said broadcast signal. 61. The receiving method according to claim 59, wherein the first additional information includes acquisition information necessary for acquiring related data related to the broadcast signal. 62. The receiving method according to claim 61, wherein said obtained information includes unique unique information uniquely assigned to related data related to said broadcast signal. 63. The receiving method according to claim 61, wherein the obtained information includes recognition information useful for recognizing the contents of the related data. 64. The reception method according to claim 61, wherein the acquisition information includes access information used to access a providing place providing the relevant data. 65. The receiving method according to claim 61, further comprising an output step of outputting the obtained information. 66. The receiving method according to claim 59, wherein the transmission of the second additional information is started after the transmission of the broadcast signal is started. 67. The apparatus according to claim 6, wherein the second additional information is related data related to the broadcast signal.
7. The receiving method according to 6. 68. The receiving method according to claim 67, wherein, when predetermined image data or audio data is transmitted as the broadcast signal, the related data is the image data or audio data. . 69. When image data or audio data obtained by executing a predetermined computer program is transmitted as the broadcast signal, the related data is the computer program. Item 67. The receiving method according to Item 67. 70. The apparatus according to claim 67, wherein the second additional information is obtained by encrypting the related data.
Receiving method described in. 71. The receiving method according to claim 70, further comprising an obtaining step of obtaining a decryption key for decrypting the related data based on the obtained information. 72. The receiving method according to claim 71, further comprising a decoding step of decoding related data arranged in said second additional information based on said decoding key. 73. The receiving method according to claim 59, wherein the transmission of the second additional information is started before the transmission of the broadcast signal is started. 74. The receiving method according to claim 73, wherein the second additional information includes recognition information useful for recognizing the content of the broadcast signal. 75. The receiving method according to claim 74, further comprising an output step of outputting the recognition information. 76. The broadcast signal comprises a first signal and a second signal.
6. The signal according to claim 5, wherein
9. The receiving method according to item 9. 77. The receiving method according to claim 76, wherein the second additional information is the second signal or a signal capable of generating the second signal. 78. The apparatus according to claim 77, wherein the second additional information is obtained by encrypting the second signal.
Receiving method described in. 79. The receiving method according to claim 78, further comprising an obtaining step of obtaining a decoding key for decoding the second signal. 80. The receiving method according to claim 79, further comprising a decoding step of decoding the second signal arranged in the second additional information based on the decoding key. 81. The method according to claim 8, further comprising: using the broadcast signal and the second signal to generate related data related to the broadcast signal.
0. The receiving method according to 0. 82. The first signal is a first image or sound, the second signal is a second image or sound, and the first signal or the second image is sound. ,
77. The receiving method according to claim 76, wherein a part of the second image or the sound is temporally overlapped. 83. The reception method according to claim 82, wherein the second additional information includes the first image or the sound or the second image or the sound of the overlapping portion. Method. 84. An overlapping portion of the first image or sound included in the second additional information,
84. The receiving method according to claim 83, wherein the second image or sound is encrypted. 85. The first portion of the overlapping portion
85. The receiving method according to claim 84, further comprising an acquiring step of acquiring a decoding key for decoding the second image or sound or the second image or sound. 86. The apparatus according to claim 86, further comprising a decoding step of decoding the first image or the sound or the second image or the sound of the overlapping portion based on the decoding key. 85. The receiving method according to 85. 87. The broadcast signal and the first image or audio of an overlapping portion or the second image
89. The receiving method according to claim 86, further comprising a generating step of generating related data related to the broadcast signal using the image or the sound. 88. Related data related to the broadcast signal is divided into a first component and a second component, wherein the first component is transmitted as the broadcast signal. The receiving method according to claim 59, wherein the receiving method is performed. 89. The receiving method according to claim 88, wherein the second additional information includes the second component. 90. The apparatus according to claim 89, wherein the second additional information is obtained by encrypting the second component.
Receiving method described in. 91. The receiving method according to claim 90, further comprising an acquiring step of acquiring a decryption key for decrypting the second component. 92. The receiving method according to claim 91, further comprising a decoding step of decoding the second component based on the decoding key. 93. The receiving method according to claim 92, further comprising a generating step of generating the related data using the broadcast signal and the second signal. 94. The related data is image data or audio data, the first component is a low-frequency component or high-order bit of the image data or audio data, and the second component is the image data or audio data. The reception method according to claim 88, wherein the reception method is a high-frequency component or lower-order bits of data or audio data. 95. A receiving device for receiving a predetermined broadcast signal and first and second additional information, wherein the receiver receives the broadcast signal and the first additional information which have been simultaneously transmitted and receives the broadcast signal. A receiving unit that receives the second additional information whose transmission has been started at a different time from the signal transmission; and a storage unit that stores the first and second additional information. . 96. The receiving apparatus according to claim 95, further comprising temporary storage means for temporarily storing said broadcast signal. 97. The receiving apparatus according to claim 95, wherein said first additional information includes acquisition information necessary for acquiring related data related to said broadcast signal. 98. The receiving apparatus according to claim 97, wherein the obtained information includes unique unique information uniquely assigned to related data related to the broadcast signal. 99. The receiving apparatus according to claim 97, wherein the obtained information includes recognition information useful for recognizing the content of the related data. 100. The receiving apparatus according to claim 97, wherein said acquisition information includes access information used to access a providing place providing said related data. 101. The receiving apparatus according to claim 97, further comprising an output unit that outputs the obtained information. 102. The receiving apparatus according to claim 95, wherein the transmission of the second additional information is started after the transmission of the broadcast signal is started. 103. The receiving apparatus according to claim 102, wherein the second additional information is related data related to the broadcast signal. 104. The receiving apparatus according to claim 103, wherein, when predetermined image data or audio data is transmitted as said broadcast signal, said related data is the image data or audio data. . 105. When image data or audio data obtained by executing a predetermined computer program is transmitted as the broadcast signal, the related data is the computer program. Item 103. The receiving device according to Item 103. 106. The apparatus according to claim 1, wherein the second additional information is obtained by encrypting the related data.
03. The receiving device according to 03. 107. The receiving apparatus according to claim 106, further comprising: acquiring means for acquiring a decryption key for decrypting said related data based on said obtained information. 108. The method as claimed in claim 108, further comprising:
108. The receiving apparatus according to claim 107, further comprising: decoding means for decoding related data arranged in the additional information. 109. The receiving apparatus according to claim 95, wherein the transmission of the second additional information is started before the transmission of the broadcast signal is started. 110. The receiving apparatus according to claim 109, wherein the second additional information includes recognition information useful for recognizing the content of the broadcast signal. The receiving apparatus according to claim 110, further comprising an output unit that outputs the recognition information. 112. The receiving apparatus according to claim 95, wherein said broadcast signal is obtained by superimposing a second signal on a first signal. 113. The receiving apparatus according to claim 112, wherein the second additional information is the second signal or a signal capable of generating the second signal. 114. The apparatus according to claim 1, wherein the second additional information is obtained by encrypting the second signal.
14. The receiving device according to claim 13. 115. The receiving apparatus according to claim 114, further comprising: an obtaining unit configured to obtain a decryption key for decrypting the second signal. 116. The method as claimed in claim 116, wherein the second
115. The receiving apparatus according to claim 115, further comprising: decoding means for decoding the second signal arranged in the additional information. 117. The apparatus according to claim 11, further comprising a generation unit configured to generate related data related to the broadcast signal using the broadcast signal and the second signal.
7. The receiving device according to 6. 118. The first signal is a first image or sound, the second signal is a second image or sound, and the first signal or the second image is sound. ,
The receiving apparatus according to claim 112, wherein a part of the second image or the sound temporally overlaps. 119. The reception according to claim 118, wherein the second additional information includes an overlapped portion of the first image or audio or the second image or audio. apparatus. 120. The method according to claim 120, wherein the first image or the sound or the second image or the sound in the overlapping portion included in the second additional information is encrypted. Item 120. The receiving device according to item 119. 121. An apparatus according to claim 121, further comprising: an obtaining unit configured to obtain a decryption key for decrypting the first image or the sound or the second image or the sound of the overlapping portion. 120. The receiving device according to claim 120. 122. The apparatus further comprising: decoding means for decoding the first image or audio or the second image or audio in an overlapping portion based on the decryption key. 121. The receiving device according to 121. 123. A method for generating related data related to the broadcast signal using the broadcast signal and the first image or sound or the second image or sound in an overlapping portion. The receiving device according to claim 122, further comprising: means. 124. Related data related to the broadcast signal is divided into a first component and a second component, and the first component is transmitted as the broadcast signal. The receiving device according to claim 95, wherein 125. The receiving apparatus according to claim 124, wherein said second additional information includes said second component. 126. The apparatus according to claim 1, wherein the second additional information is obtained by encrypting the second component.
The receiving device according to claim 25. 127. The receiving apparatus according to claim 126, further comprising: acquiring means for acquiring a decryption key for decrypting said second component. 128. The method according to claim 128, further comprising:
127. The receiving apparatus according to claim 127, further comprising decoding means for decoding the component. 129. The receiving apparatus according to claim 128, further comprising: generating means for generating said related data using said broadcast signal and said second signal. 130. The related data is image data or audio data, the first component is a low-frequency component or high-order bit of the image data or audio data, and the second component is the image data or audio data. The receiving apparatus according to claim 124, wherein the receiving apparatus is a high-frequency component or lower-order bits of data or audio data. 131. A transmitting device for transmitting a predetermined broadcast signal, and first and second additional information,
And a receiving device that receives the first and second additional information, wherein the transmitting device transmits the broadcast signal, and the first and second additional information. Transmitting the first additional information at the same time as transmitting the broadcast signal, and transmitting the second additional information at a different time from the transmission of the broadcast signal; And a control step of controlling the transmission timing of the first and second additional information, wherein the receiving device receives the broadcast signal and the first additional information, the transmission of which has been started simultaneously, and the broadcast signal A receiving step of receiving the second additional information whose transmission has been started at a different time from the transmission of the second information, and a storing step of storing the first and second additional information. Transmission method according to claim. 132. A transmitting device for transmitting a predetermined broadcast signal and first and second additional information,
And a receiving device that receives the first and second additional information, wherein the transmitting device transmits the broadcast signal and the first and second additional information; The transmission of the additional signal is started together with the transmission of the broadcast signal, and the transmission of the second additional information is started at a different time from the transmission of the broadcast signal. Control means for controlling the transmission timing of the first and second additional information, wherein the receiving device receives the broadcast signal and the first additional information which have been transmitted at the same time, and transmits the broadcast signal. Transmission system comprising: a receiving unit that receives the second additional information whose transmission has started at a different time; and a storage unit that stores the first and second additional information.