JP2001312877A - Disk recording and playback device - Google Patents

Abstract

(57) [Summary] [Problem] When recording from a medium having an international standard recording code to another medium, title character information of each track is automatically recorded on a recording medium. SOLUTION: An international standard recording code (ISR)
When recording from the CD 16 of the master disk having the C) to the MD 7 of the slave disk, an ISRC for each track to be recorded is stored in the memory 18 and a database of title data corresponding to the ISRC on the Internet is stored by the modem 12 in the recording / reproducing apparatus. The user accesses the homepage, downloads the title character information corresponding to the ISRC in the memory 18 and stores the title character information in the character information memory 14, and stores the title character information corresponding to the program recorded on the slave disk MD7 from the memory 14 into the slave disk MD7. To record.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disk recording / reproducing apparatus, and stores title data of sound data published on a computer communication network in a memory in the disk recording / reproducing apparatus based on an international standard recording code in a master disk. The present invention relates to a device that can automatically record a title on a capture slave disk.

[0002]

2. Description of the Related Art At present, a mini-disc (hereinafter abbreviated as MD) system using a magneto-optical disc as a recording medium is often used as a recording and reproducing apparatus for recording and reproducing music and the like using an optical disc. In this MD system, for example, a digitized ATRAC (registered trademark) (Adaptive T
A program composed of music data and the like compressed and encoded by a ransform Acoustic Coding (random form) method is recorded on a disk, and management information of the recorded program is recorded on an inner peripheral side of the disk.

FIG. 3 is a diagram schematically showing a recording area of a recording / reproducing MD. The area of the information film other than the clamping plate area 25 of the disc is used as the information area 19. The innermost peripheral side of the information area 19 is called a lead-in area 22, on which a read-only film is deposited, and information is recorded in advance in the form of pits. A recordable area 20 on which a recording film is applied is provided outside the lead-in area 22, and a lead-out area 23 is provided on the outermost periphery of the disc. In the recordable area 20, U-TOC (User
-Table Of Contents)
Are arranged, and information on each program recorded in the program area is recorded. Further, a program area 24 for recording a program is arranged outside the U-TOC area 21 of the recordable area 20.

[0004] Programs are managed in track units. For example, when the program is music data, one song can be recorded as one track. By specifying a desired track at the time of reproduction, the music recorded on that track, that is, music data, is reproduced.

[0005] The U-TOC area 21 is composed of, for example, 32 sectors, of which sectors 1 and 4 correspond to different character forms, respectively. For example, sector 1 manages alphabetic characters represented by ASCII codes, and sector 4 manages ISO (International Organization for Standardiza).
tion) -8859-1 or JIS (Japanese Industri
al Standard) to manage character information such as kanji and hiragana represented by character codes. Each sector is provided with an area for managing the correspondence between program track information and character information, and a pointer to character information corresponding to the track is written in this area.

Character information is input by operating a key provided on the magneto-optical disk device or a key provided on a remote control commander (hereinafter abbreviated as a remote controller), as shown in FIG. JP-A-12-11
Using a personal computer (hereinafter abbreviated as a personal computer) 26 described in Japanese Patent Application Laid-Open No. 604, character information on a network is cut and copied, the data is converted by a conversion device 27, and the data is converted to an MD audio recording and reproduction device 28. By transferring, character information is captured.

[0007]

Consider the case where character information is input to the above-mentioned MD. For example, title information of a song related to music data recorded in each program is input and recorded. In the above case, conventionally, it is necessary to select data to be input each time program information is input. In order to make it easier, it was essential to have an environment for manipulating data on the network. Further, it is necessary to search for a title published on the network by a search engine by inputting a keyword such as a singer name or a song name. Furthermore, it was necessary to cut and copy the searched data for each program. Considering such labor, it can be understood that inputting a title is quite troublesome for the user.

Therefore, according to the present invention, a device capable of accessing a computer network is built in the recording / reproducing device, and a home page containing data related to a master disk on the network is automatically accessed and recorded on a recording medium of a slave. It is an object of the present invention to provide a means for completely automatically inputting a title by automatically searching for character information in association with a program to be executed and recording the character information on a slave recording medium.

[0009]

According to the present invention, there is provided a recording / reproducing apparatus for reproducing program data and an international standard recording code (ISRC) from a master recording medium. A first memory for storing an international standard recording code reproduced from the master recording medium, recording and reproducing means for recording title data and program data reproduced from the master recording medium on a slave recording medium, and an external database. External database connection means for connecting and capturing title data corresponding to the international standard recording code; and a second memory for storing title data captured by the external database connection means;
And a control unit.

In this configuration, the control means records the program data of the master recording medium reproduced by the reproducing means on a slave recording medium of the recording / reproducing means, and the international standard recording recorded on the master recording medium. Storing the code in the first memory, downloading title data corresponding to the international standard recording code stored in the first memory from an external database connected by the external database connection means, The title data stored in the memory and acting on the slave recording medium to record the title data stored in the second memory after the end of the program data on the slave recording medium; Completely automatic data entry without any hassle Is shall.

Further, in claim 2 of the present invention, claim 1
In the configuration of (1), further comprising a third memory for storing the status of data already recorded on the slave recording medium, the control means reproduces the status of data already recorded on the slave recording medium by the recording / reproducing means, and 3 and stores the title data downloaded from an external database corresponding to the international standard recording code of the master recording medium into program data newly recorded from the master recording medium with reference to the contents of the third memory. It acts so as to be recorded on the slave recording medium in a corresponding manner, so that even if the recording has already been made on the recording / reproducing medium, the recorded contents and the title data can be correctly correlated.

According to a third aspect of the present invention, in the configuration of the first or second aspect, after the recording of the program data and the title data on the slave recording medium is completed, the data stored in each memory is deleted. This function prevents unnecessary data from occupying the memory after recording.

[0013]

FIG. 1 is a block diagram showing the configuration of a recording / reproducing circuit shown in FIG. 1 which exemplifies a recording / reproducing apparatus according to an embodiment of the present invention using a currently most common magneto-optical recording medium. The configuration and operation relating to the recording of the program content and its title data will be described with reference to an operation flowchart for recording character information data on the second network.

In this embodiment, a case where a CD is used as a master recording medium and the contents of the program are recorded on an MD as a slave recording medium will be described as an example. In the recording / reproducing means, an analog audio signal is supplied to an A / D (Analog to Digital) converter 2 via an analog audio input terminal 1. The analog audio signal is supplied to the A / D converter 2
Is supplied to the audio compression decoder / encoder circuit 5. Also, the digital audio signal can be directly supplied from the digital audio input terminal 15 to the audio compression decoder / encoder circuit 5. The audio compression decoder / encoder circuit 5 converts the digital audio signal into a compressed and highly efficient encoded audio compression signal, which is supplied to a disk recording / reproduction circuit 6. The recording / reproducing MD 7 is rotated by a spindle motor (not shown), and the disk recording / reproducing circuit 6 uses a pickup (not shown) and a magnetic head (not shown) to transmit a sound compression signal or a sound signal transmitted from the sound compression encoder / decoder circuit 5. The performance time data sent from the system control circuit 9 described later is recorded on the recording / reproduction MD 7 while temporarily stored in the buffer memory 8 described later.

Next, the case where the MD7 is reproduced by the recording / reproducing means will be described. The recording / reproducing MD or the reproduction-only MD 7 is rotated by a spindle motor (not shown), and the disc recording / reproducing circuit 6 uses a pickup (not shown) to read the playing time, song title, The music composition data and music are read out, a part of the music data is stored in the buffer memory 8, and the audio signal is expanded by the audio compression decoder / encoder circuit 5 to return to the original digital audio signal, and the D / A (Digi
tal to Analog) converter 4, the D / A converter 4 converts the digital audio signal into an analog audio signal, and the demodulated analog audio signal is output to the audio output terminal 3. The buffer memory 8 temporarily stores an audio compression signal at the time of disk recording / reproduction and TOC / U-TOC information for managing the disk. System control circuit 9 as control means
Is a disk recording / reproducing circuit 6 which is operated by an operation key
And the display device 10 and other devices as a whole.

In the reproducing means, a compact disk (hereinafter referred to as a CD) 1 which is a master disk when recording on an MD.
The operation of No. 6 is the same as that at the time of reproducing the MD.
In the memory 18, the system control means 9 temporarily stores an international standard recording code (ISRC) defined for each program of the master disk for each music to be reproduced. The operation key section 11 is used to perform a reproduction operation, a recording operation, a program operation, a title input operation, and a reproduction operation of a reproduction-only CD for the MD 7 for recording and reproduction or reproduction only.
Further, the present invention has a plurality of keys for automatically recording titles of net information according to the present invention. The display device 10 has a display unit for displaying a program number to be reproduced, a playing time, a program title, and the like. Modem 12
Is a communication means for performing data conversion for accessing a homepage on a network through a telephone line. The character information memory 14 is selected by a key of the operation key unit 11 so as to download the title on the Internet, the modem 12 as a communication means accesses the database 13 on the net, and the international standard stored in the memory 18 is stored. Based on the recording code (ISRC) data, the title data detected corresponding to the program data recorded in the MD 7 is stored.

The operation of the magneto-optical recording / reproducing apparatus configured as described above will be described below with reference to the flowchart of FIG. In S1, the MD 7 serving as a slave recording medium is set in a disk recording / reproducing apparatus, and the master disk 16 is set in a disk reproducing apparatus. The system control circuit 9
2. TOC, U-TO of recording medium by recording / reproducing means in 2
After reading C, the track information of the music already recorded in the MD 7 before the start of recording is stored in the buffer memory 8.

Thereafter, in S3, the program content reproduced from the CD 16 is started to be recorded on the MD 7. ISR of the program reproduced from CD16 of the master disk in S4
C is extracted and stored in the memory 18 in the order in which the programs are recorded on the MD 7 as a recording medium. At S5, the end of the recording is determined. When the end of the recording is determined, whether or not the title data is downloaded from the Internet is selected by the operation key unit 11 at S6. If the download is selected in S6, the international standard recording code (ISRC) on the network via the modem 12 in the recording / reproducing apparatus is selected in S7.
Automatically access the homepage where the title database exists in order. By operating the operation key unit 11 or a remote controller (not shown), a connection is made to a telephone number that has been input in advance. This number may be entered manually.If the recording / reproducing device has a broadcast receiving function, the system stores in advance an access point together with broadcast receiving channel data of each place, and sets the access point when installing the device. When selecting a local broadcast reception channel, it may be selected in combination with a broadcast channel. The system control circuit 9 uses the memory 18 stored in S4.
The international standard recording code (ISRC) is sent out via the modem 12 and the title data corresponding to it is automatically detected from the database 13. The title data detected in S8 is once stored in the character information memory 14 in the recording / reproducing apparatus, converted into the U-TOC sector configuration of the MD7 as the recording medium in S9, and stored in the buffer memory 8 stored in S2. From the recorded music data, it is determined from what number of the music on the MD 7 the program of the master disk 16 has been recorded, and after setting the music information recording start music, the U-
It is recorded in the TOC area 21. When the recording is completed, the memory data stored in S2 and S4 and the character information in the memory are erased in S10.

Although an example in which a CD is used as the master disk 16 is shown here, the same applies to media having another international standard recording code (ISRC). Although an example in which an MD is used as a recording medium is shown, other optical recording media capable of recording TOC information, a magneto-optical recording medium, or a magnetic recording medium can be similarly implemented.

Although the modem 12 has been exemplified as the external database connection means, the terminal adapter has the role of connecting to an ISDN line, and if necessary, there may be a connection means via a local area network.

Although each memory is shown as a separate memory, one memory may be divided into a plurality of address ranges for different purposes.

Further, the title data corresponds to the above-mentioned U
An English character represented by an ASCII code represented by sector 1 of the TOC area, or ISO or J represented by sector 4
It goes without saying that Japanese character represented by IS character code and other various character information are supported.

[0023]

As described above, according to the recording / reproducing apparatus of the present invention, the international standard recording code (ISR) is used.
C) When a program is recorded on a slave recording medium from a master disk having C), the program title of the master disk existing on the net is automatically recorded on the recording medium in accordance with the program recorded on the recording medium. Can be. As a result, the advantageous effect that character input of a program that has been troublesome up to now can be completely automated can be obtained.

This has the same effect on UTOC1 or UTOC4.

[Brief description of the drawings]

FIG. 1 is a circuit block diagram of a recording / reproducing apparatus according to a first embodiment of the present invention.

FIG. 2 is an operation flowchart for recording character information data on the same network.

FIG. 3 is a diagram schematically showing a recording area of a recording / reproduction MD.

FIG. 4 is a block diagram showing a method for capturing character information on a network in a conventional recording / reproducing apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Analog audio input terminal 2 A / D conversion 3 Analog audio output terminal 4 D / A conversion 5 Audio compression encoder / decoder 6 Disk recording / playback circuit 7 MD 8 Buffer memory 9 System control circuit 10 Display device 11 Operation key unit 12 Modem 13 Data on network 14 Character information memory 15 Digital input terminal 16 CD 17 Disc playback circuit 18 ISRC memory 19 Information area 20 Recordable area 21 U-TOC area 22 Lead-in area 23 Lead-out area 24 Program area 25 Clamping plate area

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) G11B 27/00 G11B 27/00 DZ F term (Reference) 5B075 MM01 NK04 NK21 5D044 AB05 BC03 BC06 CC04 DE17 DE49 DE58 GK12 HL02 HL07 HL14 5D077 AA26 AA28 CA02 DC12 DC39 HC05 HC16 5D110 AA15 AA27 CA06 CA48 CB04 CF11 CF13 DA08 DB03 DC06 DE04

Claims (3)

[Claims] 1. A reproducing means for reproducing program data and an international standard recording code (ISRC) from a master recording medium, a first memory for storing an international standard recording code reproduced from the master recording medium, and a slave recording medium Recording / reproducing means for recording title data and program data reproduced from the master recording medium; external database connecting means for connecting to an external database to fetch title data corresponding to the international standard recording code; A second memory for storing the title data fetched by the means; and a control means, wherein the control means records the program data of the master recording medium reproduced by the reproducing means on a slave recording medium of the recording and reproducing means. And before The international standard recording code stored in the master recording medium is stored in the first memory, and the international standard recording code stored in the first memory from an external database connected by the external database connection means. And downloading the title data corresponding to the title data stored in the second memory after the completion of the program data to the slave recording medium, and recording the title data stored in the second memory after the completion of the program data to the slave recording medium. Characteristic recording / reproducing device. 2. The apparatus according to claim 1, further comprising a third memory for storing the status of the data already recorded on the slave recording medium, wherein the control means reproduces the status of the data already recorded on the slave recording medium by the recording / reproducing means, and stores the data in the third memory. The title data stored and downloaded from an external database in accordance with the international standard recording code of the master recording medium is referred to the contents of the third memory, and is associated with the program data newly recorded from the master recording medium. The recording / reproducing apparatus according to claim 1, wherein recording is performed on a slave recording medium. 3. The recording / reproducing apparatus according to claim 1, wherein the data stored in each memory is erased after the recording of the program data and the title data on the slave recording medium is completed.