WO2009117964A1 - Code controlled audio play device and play system - Google Patents

Abstract

A code controlled audio play system includes a code carrier with the code information and the exterior information, a code identifying device and an audio play device. The code identifying device is for identifying the code information of the code carrier and for processing the code information to generate the code data which is used for controlling the play and output of the audio file of the audio play system. The system sets the exterior information corresponding to the code information uniquely on the code carrier simultaneously, thereby the user only needs the simple exterior information identification, then clicks the code carrier of the corresponding position of the exterior information using the code identifying device, which can control the play and output of the audio file without operating the function keys of the audio play device.

Description

 Code controlled audio playback device and playback system

TECHNICAL FIELD

 The present invention relates to an audio playback system for playing an audio file by an audio playback device controlled by encoding, and more particularly to an audio playback device and a playback system for acquiring an audio file in a code recognition manner, thereby controlling audio file playback.

【Background technique】

 With the development of electronic technology, audio playback devices have been widely used, especially the functions and convenience of audio playback devices have been favored by users. The existing MP3 player that plays MP3 audio files has been extended from the MP3 music playback function of the single card to the video playback function and recording function.

 However, the functions of the existing audio playback device are diversified and complicated, but cannot satisfy the user's traditional visual perception of music playback. For example, if you want to read the lyrics for your favorite songs, or When practicing songs, you need to listen to the lyrics while listening to the songs. If you want to repeat the appreciation on a paragraph that you are not familiar with or like, or when you are learning a language, you need to watch while listening to the text. The interaction is performed, or both listening and watching, to enhance the learning effect, so as to better achieve the purpose of language learning. Moreover, the functions of the audio playback device are diversified, and at the same time, the interface of the software programming is complicated, and the operation of the function keys is complicated and time consuming, which is disadvantageous to the user's use, in particular, the user is In the face of new functional operation of the new playback device, or when a specific user needs to operate a complicated playback device, for example, an elderly person, a child, etc., who are unfamiliar with the operation of the electronic product, the operation difficulty is further increased.

 In addition, under the current trend of increasing the importance of intellectual property protection of works, the legitimate rights and interests of the creators of the protection works have become the focus of attention. In particular, with the development of the network, the intellectual property rights of the creators of the protection works are more It is an important issue facing the current intellectual property protection.

 Therefore, while the functions of the audio playback device are diversified, the operation of the audio playback device is facilitated, and the facilitation of the human-computer interaction operation is facilitated, which has become an urgent problem to be solved in the development of the current audio playback device.

In addition, the audio playback device protects the audio while adapting to the current trend of intellectual property protection. The intellectual property rights of documents in the process of dissemination and use have also become an important topic of increasing concern. [Summary of the Invention]

 The invention provides an audio playback device with convenient operation and coding control, which has a clear man-machine operation mode and a tubular operation step, which saves the user's time.

 The present invention also provides an audio playback system for encoding control that facilitates the legal use of audio files, which is advantageous for legitimacy in the use and dissemination of audio files, and protects intellectual property in the transmission process of audio works.

 In order to solve the above technical problem, the present invention provides an audio playback device for encoding control, which is configured to receive encoded data sent by an external code recognition device, and then perform playback of the corresponding audio file, including: an audio decoding control module, and an audio file. Decoding to generate an playable output analog signal; a memory, an audio output module, and a power supply module providing the audio playback device; further comprising an audio association module and a receiving module, wherein the memory stores a unique correspondence with the encoded data of the external code recognition device The audio association file, the receiving module receives the encoded data sent by the external code recognition device, and the audio association module receives the encoded data to process and read the corresponding audio associated file, and the audio decoding control module decodes The audio associated file generates an analog signal, which is then output and played by the audio output module.

 The present invention is based on the above technical solution, the code recognition device further includes an encryption module, the audio playback device further includes a decryption module, and the encryption module of the code recognition device encrypts the encoded data and passes through the digital output module. After being transmitted to the audio playback device, the decryption module of the audio playback device is decrypted and transmitted to the audio association module for processing.

The present invention also provides an audio playback system for encoding control, comprising an encoding carrier, including encoding information and surface information, the encoding information is micro encoding, the surface information is explicit information, the encoding information and surface information. a unique identifier; the code recognition device includes an optical system, an image sensing module, an image processing module, a controller, and an output module, wherein the optical system reads and obtains an optical signal of the encoded information of the encoded carrier, and the image sensing module receives the optical signal The optical signal is processed into an image electrical signal, and the controller controls the image processing module to process the image electrical signal as encoded data, and outputs the encoded data through the output module; the audio playback device includes a receiving module, a decoding control module, a memory, and an audio output module; The audio playback device further includes an audio association module, wherein the audio playback device stores an audio associated file uniquely corresponding to the surface information of the encoded carrier, and the encoded data encodes the encoded carrier. Information and surface information respectively Uniquely associated with the audio file associated with the identification code The device outputs the encoded data to the audio playback device, and the audio association module processes and reads the audio associated file corresponding to the encoded data, generates an audio file, and the decoding control module processes the audio file and outputs the audio file through the audio output module. . It can be seen from the above that the encoding control audio playing system of the present invention can simultaneously set the encoding information and the surface information uniquely associated with the audio file to be played on the encoding carrier, and the user only needs to pass the surface information on the encoding carrier. The code recognition device clicks on the coded information of reading the corresponding position of the surface information on the code carrier, so as to control the audio playback device to play the audio file, and the operation program is used to improve the visibility of the human-computer interaction, thereby reducing the cumbersome steps of the operation. , convenient for different users to operate.

 In addition, in the code-controlled audio playback system of the present invention, a corresponding encryption module and a decryption module are respectively disposed in the code recognition device and the audio playback device, and the audio playback device can process the audio-related file legally only by receiving the encrypted encoded data, thereby , to prevent the illegal use and dissemination of audio-related files, and thus protect intellectual property rights.

[Description of the Drawings]

 BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a system block diagram of an encoded audio playback system of the present invention.

 2 is a schematic structural diagram of a code recognition device of an audio playback system of the code control of the present invention. 3 is a schematic structural diagram of an audio playback device of an encoded audio playback system of the present invention. Figure 4 is a block diagram showing the construction of another embodiment of the audio playback device of the code controlled audio playback system of the present invention.

【detailed description】

 In order to further illustrate the technical means and functions taken by the present invention to achieve the intended purpose, the audio playback system, its principle, structural features and functions of the code control of the present invention are described in detail below with reference to the accompanying drawings and embodiments.

Referring to FIG. 1, the audio playback system of the code control of the present invention is an audio playback system for performing digital audio file playback by clicking and reading the code. Based on the existing audio playback device 3, the audio playback system of the code control of the present invention includes printing. An encoding carrier 1 for encoding information and surface information; a code identifying device 1 for identifying encoding information of the encoding carrier 2, processing for generating encoded data; and audio The playback device 3, the received code recognition device 1 processes the generated encoded data, and plays an audio file uniquely associated with the output encoded data. Further, in the case where the audio playback device 3 plays a video while playing an audio file, the present invention is also applicable to the playback control method of the audio file.

 The coding information of the code carrier 2 of the present invention is a code of the type [3⁄4], that is, a code which is not easily perceived by a person. Specifically, for example, an encoding that is not easily recognized by the human eye. For a technical disclosure of the coded information and surface information of the code carrier 2, see Chinese Patent 02122633. The encoded information is associated with the surface information printed on the encoding carrier 2 in a one-to-one correspondence with the content, and has consistency. For example, the code carrier 2 is divided into thousands of unit areas, and in each unit area, song information such as the name of the singer, the name of the song, the album belonging to the song, the type of the song, etc., correspondingly, are printed. The same unit area of the song information is simultaneously printed with thousands of pieces of coded information, and the printing of the coded information does not affect the recognition effect of the surface information, and in general, only the brightness of the plane code carrier 2 is reduced by 10%, thereby The visual recognition effect has no effect. Different coded information indicates different surface information. As disclosed in Chinese Patent No. 02122633. 4, the type of combination of coded information is sufficient to represent the content of the usual surface information, so that other related different surface information can also be printed. For example, about the singer's profile or the background of the song, etc.

 As shown in FIG. 2, the code recognition device 1 is used to identify the coded information of the code carrier 2, and has an outer casing 11 which can be designed to be pen-shaped for easy use. The optical system 12 and the image sensing module are disposed inside the casing 11. 1 3. An image processing module 14, a controller 15, an output module 17, and a power module 16 that provides a code identification carrier. The optical system 12 includes a light illumination system 12a and a lens optical system 12b, wherein the light illumination system 12a is used to illuminate the code carrier 2, and the light signal projected by the reflected light through the lens optical system 12b is transmitted to the image sensing module 13 to generate an electrical signal. The image processing module 14 receives the electrical signal processing to generate encoded data. In addition, a filter system 12c can be provided to filter out the disturbed optical signal to obtain an accurate optical signal of the encoded information. The controller 15 processes the encoded data obtained by the control, and outputs the encoded data through the output module 17. In a specific embodiment, the output module 17 can transmit data using a wired data interface, such as a USB data interface, an IEEE 1394 data interface, or a wireless data transmission method such as infrared, Bluetooth, wireless USB, and the like. Further, the display identification screen is externally provided with the display screen 18 and the control switch 19 to facilitate the use of the present code recognition device.

As shown in FIG. 3, in the present invention, the audio playback device 3 includes a receiving module 31, an audio decoding control module 32, a memory 33, an audio association module 34, and an audio output module 35, wherein the audio decoding control module 32 is integrally integrated. a processor that can control data processing of the audio playback device 3, The decoding and playback function of audio data can also be performed. The memory 33 stores an audio associated file corresponding to the encoded information of the encoding carrier 1, and the audio associated file uniquely associates the encoded information of the encoding carrier 2 with the surface information by the encoded data. The receiving module 31 receives the encoded data of the code identifying device 1, and the audio associating module 34 processes the encoded data, and reads the corresponding audio associated file to the audio decoding control module 32 for decoding processing, and then decodes the audio data of the audio associated file. The audio output module 35 outputs the play.

 The receiving module of the audio playing device 3 is a wireless receiving module or a data interface interface. In a specific implementation, the wireless receiving module may use an infrared or a Bluetooth or a radio frequency receiving module; if a data interface interface is used, a USB interface or an IEEE1394 interface may be used. RS232 interface, etc.

 Referring to FIG. 4, the audio decoding control module of the audio playback device 3 includes a controller 32a and an audio decoder 32b. The controller 32a controls data processing of the audio playback device 3, and the audio decoder only performs decoding of audio data, and is controlled by the controller. 32 a to control the playback output. The audio association module 34 is configured to perform corresponding processing on the encoded data received by the receiving module 31, and read the audio associated file according to the processed encoded data, and process the audio associated file to generate audio data corresponding to the encoded data, and then the audio. The audio decoder 32b of the decoding control module 32 performs decoding, and then performs output playback through the audio output module 35.

 In a specific embodiment of the audio playback device 3 of the present invention, the audio association module 34 can also be integrated with the audio decoding control module, using a single chip integration, for example, integrating the audio association module 34 with the controller 32a. Then, the audio decoding control module 32 has the processing function of the audio association module, and the controller can adopt the controller. The audio association module 34 can burn the program of the audio association module into the read-only memory of the controller 32b in the manner of a firmware program (Fir earned) on the basis of the hardware of the audio decoding control module 32. Thus, the audio decoding control module 34 first processes the audio associated file by the firmware program of the audio association module of the controller 32a, generates audio data uniquely corresponding to the encoded data, and further decodes the audio data by the audio decoder 32b and is output by the audio output module 35. Play the output.

In a specific embodiment, the firmware program of the audio association module includes a playback control program for controlling the audio file, for example, to control playback of the audio file, random play, stop, pause, volume, classical/pop/rock mode selection. A control program or the like is played, whereby the audio association module can implement function control of audio playback. The encoded data output by the code recognition device 1 corresponds to the control command of the audio control program of the corresponding audio playback device 3, and the audio decoding control module 32 of the audio playback device 3 processes the control. The instruction, in turn, controls the corresponding audio associated file for corresponding output playback. In addition, in the play control program of the audio association module, the play function of the audio file of the prior art can be added to the audio control program of the audio association module, and other extended functions such as display of the lyrics can also be set. Of course, the audio association module may also be a control for each audio file, such as controlling different information for different songs, such as singers, backgrounds, albums, and the like of the song. In a specific implementation, the audio association module may be separately designed as a software program in addition to being written into the read-only memory of the audio decoding control module of the audio playback device 3 by means of a firmware program as described above. The execution program is then installed in the audio playback device 3 to perform the corresponding functions.

 The audio associated file stored in the memory 33 of the audio playback device 3 is an audio data file generated by an audio file uniquely corresponding to the surface information of the code carrier 2. In this embodiment, the audio data file is an MP3 audio data file. The following is an example of a method for generating an audio associated file:

 1) uniquely associating the encoded data with the audio file to generate a sequence file corresponding to the audio file name of the encoded data;

 2) combining the audio data corresponding to the audio file name of the sequence file with the encoded data to generate an associated file, and the encoded data is written into the file header of the associated file; the audio associated file;

 4) storing the audio associated file into a memory of the audio playback device.

 In the above method of generating an audio associated file, the encoded data is coded information uniquely associated with the code carrier 2 by the code recognition device 1, and the coded data may be a number, or other symbol that can be used as a mark recognition. The coded information of the code carrier 1 is printed on the code carrier 2 by using a micro image arranged in a dot matrix manner, and the code recognition device 1 has an code information processing program for identifying the process code information, wherein the index information uniquely corresponding to the coded information is established. The index information is written in the read-only memory of the code recognition device 1, so that after the code recognition device 1 acquires the generated code information, the identified code information can be uniquely associated with the coded data, and the coded data is passed through the code recognition device. 1 output to the audio playback device 3.

The audio playback device 3 of the present invention may further comprise an audio encryption module and an audio decryption module. After the audio file is packaged into a file in the process of generating the audio associated file, the audio is based on the prior art. The firmware program of the audio decoding control module 32 of the technology embeds an encryption algorithm, and encrypts the file generated by packaging the audio data file and the encoded data information by using an encryption algorithm to encrypt the audio data file. When encrypting, a hardware unique identification number of the audio playback device 3, such as a serial number of the product, may be employed as the encrypted key.

 In the present invention, the code recognition apparatus 1 may further include a code encryption module. When the code recognition device 1 identifies the coded information of the code carrier 1 and processes the coded data, the code encryption module encrypts the coded data and sends it to the audio player. In a specific implementation, the hardware device identification number unique to the code recognition device 1 may be added to the coded data for encryption. After the audio playback device 3 receives the coded data, the audio decryption module decrypts the coded data. It is then processed by the audio associated file and output to the audio decoding control module 32 to decode and generate an outputtable analog electrical signal, which is then output by the audio output module 35. As described above, in the specific embodiment, the code identification device 1 needs to identify the encoded information into encoded data. Further, the encoded information processing program and the index information of the encoded information may be set in the audio playback device 3. Therefore, the code recognition device 1 only needs to acquire the coded information to generate the image data, and the audio playback device 3 processes the image data of the coded information to generate the coded data. Or, in a specific implementation, in order to implement the audio playback system of the code control of the present invention, the audio playback device 3 may be integrated into the code recognition device 1. In this case, the code recognition device 1 further includes an audio decoding control module. The audio correlation processing module and the memory, so that after the encoding and recognizing device 1 recognizes the encoding information of the encoding carrier 2, the processing directly generates the encoded data, and the controller of the encoding and recognizing device 1 controls the audio decoding control module to decode the encoded encoded data. The audio associated file is then outputted by the data output device of the code recognition device 1.

In summary, the audio playback system of the code control of the present invention obtains the encoded information by clicking the code carrier 2 by the code recognition device 1, and can conveniently cause the audio playback device 3 to execute the corresponding audio associated file and decode the audio file. Then, the audio output module of the audio playback device 3 outputs the playback. Since the surface information printed by the code carrier 2 corresponding to the coded information is visually sensible display information, such as visually visible text/image/image, and even a user unfamiliar with the complicated operation function of the audio playback device 3, By identifying the surface information of the display, the code recognition device 1 of the present invention can be operated correspondingly to click on the code carrier 2 of the region corresponding to the selected surface information, thereby controlling the audio file to be played, thereby making The interaction between the user and the playback system is easy, reducing operating procedures and saving operating time. In the code-controlled audio playback system of the present invention, the encryption by the code encryption module of the code recognition device 1 and the decryption by the audio playback device 3 enable the user to ensure the transmission of the audio data file in the playback system using the present invention. And the security and legality of the use, to protect the intellectual property rights. In addition, the encoded information is printed on a miniature image that is difficult for a person to perceive. Therefore, during use, the printed code carrier 2 can be guaranteed to be non-reproducible and prevent unauthorized use.

Claims

Claim  1. An audio playback device for encoding control, configured to receive coded data sent by an external code recognition device, and then play the corresponding audio file, including:  An audio decoding control module that decodes an audio file to generate an analog signal capable of playing output; a memory, an audio output module, and a power module that provides an audio playback device;  The method further includes an audio association module and a receiving module, wherein the memory stores an audio association file uniquely corresponding to the encoded data of the external code recognition device, and the receiving module receives the code sent by the external code recognition device. Data, the audio association module receives the encoded data to process and read the corresponding audio associated file, and the audio decoding control module decodes the audio associated file to generate an analog signal, which is then output and played by the audio output module. The code-controlled audio playback device according to claim 1, wherein the encoded data is written with the encoded data and the header of the corresponding audio data and packaged to generate the audio associated file. 3. The code-controlled audio playback device according to claim 1, wherein the content of the audio associated file comprises audio data, a file name, a storage path, and encoded data. 4. The code-controlled audio playback device of claim 1, wherein the audio association module comprises a playback control program that controls an audio file. 5. The code-controlled audio playback device of claim 4, wherein the audio-associated module further comprises a read-only memory, and the play control program is a firmware program written to the read-only memory. The code-controlled audio playback device according to claim 4 or 5, wherein said playback control program comprises a control program of play/pause/pause, loop/random play, classical/rock/popular selection mode. 7. The code-controlled audio playback device according to claim 4 or 5, wherein said broadcasting The release control program also includes a control program for the segment read/continuous read. 8. The code-controlled audio playback device according to claim 5, wherein the audio-related module comprises a controller, and the read-only memory is integrated with the controller. 9. The code-controlled audio playback device of claim 1, wherein the audio association module is a playback control program that controls an audio file. The code-controlled audio playback device according to claim 9, wherein said playback control program comprises a play/pause/pause, loop/random play, classical/rock/pop selection mode control program. The code-controlled audio playback device according to claim 9 or 10, wherein said playback control program is a program written to a read only memory of said audio decoding control module. The code-controlled audio playback device according to claim 9 or 10, wherein said playback control program is a program stored in a memory. The code-controlled audio playback device according to claim 1, wherein the receiving module is a wireless receiving module or a data interface. 14. An audio control system for encoding control, comprising:  a coding carrier, including coding information and surface information, the coded information is microcoded, the surface information is explicit information, and the coded information is uniquely associated with surface information;  The code recognition device includes an optical system, an image sensing module, an image processing module, a controller, and an output module, wherein the optical system reads and obtains an optical signal of the encoded information of the encoded carrier, and the image sensing module receives the optical signal and Processing is an image electrical signal, and the controller controls the image processing module to process the image electrical signal as encoded data, and outputs the encoded data through the output module; An audio playback device, comprising a receiving module, a decoding control module, a memory, and an audio output module; It is characterized in that  The audio playback device further includes an audio association module, wherein the audio playback device stores an audio associated file uniquely corresponding to the surface information of the encoded carrier, and the encoded data encodes the encoded information of the encoded carrier The surface information is uniquely associated with the audio associated file, and the code recognition device outputs the encoded data to the audio playback device, and the audio association module processes and reads the audio associated file corresponding to the encoded data, and generates The audio file, the decoding control module processes the audio file and outputs it through the audio output module. The audio playback system of the encoding control according to claim 14, wherein the output module of the encoding and identifying device comprises a wireless transmitting module, and the receiving module of the audio playback device comprises a wireless transmitting module corresponding to the output module. Wireless receiving module. The audio playback system of the encoding control according to claim 14, wherein the output module of the code recognition device comprises a data interface interface, and the receiving module of the audio playback device comprises a data interface interface corresponding to the output module. Data interface interface. The audio playback system of the encoding control according to claim 14, wherein the audio association module of the audio playback device comprises a playback control program for controlling an audio associated file, and the audio association module passes the encoded data. Uniquely associated with the audio file. The code-controlled audio playback system according to claim 17, wherein the code recognition device further includes an encryption module, the audio playback device further includes a decryption module, and the code recognition device passes the coded data. The encryption module transmits to the audio playback device, and the audio playback device decrypts and transmits it to the audio association module for processing. The encoding control audio playing system according to claim 18, wherein the encryption module of the encoding and identifying device adds the hardware device identification number of the encoding device to the encoded data for strength.