WO2009117964A1 - Dispositif de lecture audio commandé par code et système de lecture - Google Patents

Dispositif de lecture audio commandé par code et système de lecture Download PDF

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Publication number
WO2009117964A1
WO2009117964A1 PCT/CN2009/071016 CN2009071016W WO2009117964A1 WO 2009117964 A1 WO2009117964 A1 WO 2009117964A1 CN 2009071016 W CN2009071016 W CN 2009071016W WO 2009117964 A1 WO2009117964 A1 WO 2009117964A1
Authority
WO
WIPO (PCT)
Prior art keywords
audio
module
code
playback device
file
Prior art date
Application number
PCT/CN2009/071016
Other languages
English (en)
Chinese (zh)
Inventor
何登科
Original Assignee
北京华旗资讯数码科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN200810103018A external-priority patent/CN101546595A/zh
Priority claimed from CN200810103019.3A external-priority patent/CN101546582B/zh
Application filed by 北京华旗资讯数码科技有限公司 filed Critical 北京华旗资讯数码科技有限公司
Publication of WO2009117964A1 publication Critical patent/WO2009117964A1/fr

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/34—Indicating arrangements 
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/08—Control of operating function, e.g. switching from recording to reproducing by using devices external to the driving mechanisms, e.g. coin-freed switch

Definitions

  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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 code recognition device further includes an encryption module
  • the audio playback device further includes a decryption module
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • Figure 1 is a system block diagram of an encoded audio playback system of the present invention.
  • FIG. 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.
  • 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.
  • the audio playback system of the code control of the present invention includes printing.
  • the received code recognition device 1 processes the generated encoded data, and plays an audio file uniquely associated with the output encoded data.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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 controls the corresponding audio associated file for corresponding output playback.
  • 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.
  • 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.
  • 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.
  • the audio data file is an MP3 audio data file. The following is an example of a method for 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.
  • the audio file 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.
  • 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.
  • the code recognition apparatus 1 may further include a code encryption module.
  • the code encryption module encrypts the coded data and sends it to the audio player.
  • the hardware device identification number unique to the code recognition device 1 may be added to the coded data for encryption.
  • 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.
  • the code identification device 1 needs to identify the encoded information into encoded data.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.

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  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

L’invention concerne un système de lecture audio commandé par code qui inclut un support de code avec les informations de code et les informations externes, un dispositif d’identification de code et un dispositif de lecture audio. Le dispositif d’identification de code est destiné à identifier les informations de code du support de code et à traiter les informations de code pour générer les données de code qui sont utilisées pour commander la lecture et la sortie du fichier audio du système de lecture audio. Le système fixe les informations externes correspondant aux informations de code uniquement sur le support de code simultanément, ainsi l’utilisateur n’a besoin que de la simple identification des informations externes, puis clique sur le support de code de la position correspondante des informations externes en utilisant le dispositif d’identification de code qui peut commander la lecture et la sortie du fichier audio sans actionner les touches fonctionnelles du dispositif de lecture audio.
PCT/CN2009/071016 2008-03-28 2009-03-26 Dispositif de lecture audio commandé par code et système de lecture WO2009117964A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN200810103018A CN101546595A (zh) 2008-03-28 2008-03-28 编码控制的音频播放系统
CN200810103019.3A CN101546582B (zh) 2008-03-28 2008-03-28 编码控制的音频播放装置
CN200810103018.9 2008-03-28
CN200810103019.3 2008-03-28

Publications (1)

Publication Number Publication Date
WO2009117964A1 true WO2009117964A1 (fr) 2009-10-01

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PCT/CN2009/071016 WO2009117964A1 (fr) 2008-03-28 2009-03-26 Dispositif de lecture audio commandé par code et système de lecture

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20110304A1 (it) * 2011-04-04 2012-10-05 Bpb Officina Meccanica S R L Metodo per la riproduzione di file musicali
CN115048545A (zh) * 2022-06-08 2022-09-13 广东裕弘智能科技有限公司 一种音频文件的读取和播放方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1402859A (zh) * 1999-12-01 2003-03-12 西尔弗布鲁克研究有限公司 具有解码传感器的音频播放器
CN1761981A (zh) * 2003-03-18 2006-04-19 跳蛙企业股份有限公司 扫描设备
CN1889182A (zh) * 2005-06-28 2007-01-03 古振国 影/音播放器的条码无线遥控装置及其方法
CN2884326Y (zh) * 2005-11-29 2007-03-28 袁志辉 结合条形码扫描器的多功能移动式音频装置
CN101075430A (zh) * 2006-05-19 2007-11-21 北京华旗数码技术实验室有限责任公司 利用点读装置实现卡拉ok点播的系统

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1402859A (zh) * 1999-12-01 2003-03-12 西尔弗布鲁克研究有限公司 具有解码传感器的音频播放器
CN1761981A (zh) * 2003-03-18 2006-04-19 跳蛙企业股份有限公司 扫描设备
CN1889182A (zh) * 2005-06-28 2007-01-03 古振国 影/音播放器的条码无线遥控装置及其方法
CN2884326Y (zh) * 2005-11-29 2007-03-28 袁志辉 结合条形码扫描器的多功能移动式音频装置
CN101075430A (zh) * 2006-05-19 2007-11-21 北京华旗数码技术实验室有限责任公司 利用点读装置实现卡拉ok点播的系统

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20110304A1 (it) * 2011-04-04 2012-10-05 Bpb Officina Meccanica S R L Metodo per la riproduzione di file musicali
CN115048545A (zh) * 2022-06-08 2022-09-13 广东裕弘智能科技有限公司 一种音频文件的读取和播放方法

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