CN1160632C - 处理数字编码音频数据的方法和设备 - Google Patents

处理数字编码音频数据的方法和设备 Download PDF

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Publication number
CN1160632C
CN1160632C CNB008068690A CN00806869A CN1160632C CN 1160632 C CN1160632 C CN 1160632C CN B008068690 A CNB008068690 A CN B008068690A CN 00806869 A CN00806869 A CN 00806869A CN 1160632 C CN1160632 C CN 1160632C
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China
Prior art keywords
file
audio data
key
storage device
decoder
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Expired - Fee Related
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CNB008068690A
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English (en)
Chinese (zh)
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CN1349646A (zh
Inventor
л�л�
谢承辉
蒂伯·西克萨塔
�����ء�J����
老罗伯特·J·迪克
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THOMSON LICENSING CORP
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THOMSON LICENSING CORP
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Publication of CN1349646A publication Critical patent/CN1349646A/zh
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • 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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00115—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers wherein the record carrier stores a unique medium identifier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • G11B20/00246—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is obtained from a local device, e.g. device key initially stored by the player or by the recorder
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • G11B20/00253—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00557—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein further management data is encrypted, e.g. sector headers, TOC or the lead-in or lead-out areas
    • 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
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0894—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording
    • G11B2020/10546—Audio or video recording specifically adapted for audio data
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/60—Solid state media
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/60—Solid state media
    • G11B2220/61—Solid state media wherein solid state memory is used for storing A/V content

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
CNB008068690A 1999-04-30 2000-04-28 处理数字编码音频数据的方法和设备 Expired - Fee Related CN1160632C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13188199P 1999-04-30 1999-04-30
US60/131,881 1999-04-30

Publications (2)

Publication Number Publication Date
CN1349646A CN1349646A (zh) 2002-05-15
CN1160632C true CN1160632C (zh) 2004-08-04

Family

ID=22451423

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB008068690A Expired - Fee Related CN1160632C (zh) 1999-04-30 2000-04-28 处理数字编码音频数据的方法和设备

Country Status (9)

Country Link
US (1) US7076432B1 (enExample)
EP (1) EP1175675B1 (enExample)
JP (1) JP4514341B2 (enExample)
KR (1) KR100639232B1 (enExample)
CN (1) CN1160632C (enExample)
AU (1) AU4500800A (enExample)
DE (1) DE60003549T2 (enExample)
MX (1) MXPA01010913A (enExample)
WO (1) WO2000067258A1 (enExample)

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EP1291850A4 (en) * 2000-04-20 2005-07-20 Sanyo Electric Co DECODER
US7509179B2 (en) * 2000-08-29 2009-03-24 Panasonic Corporation Distribution system
US7761327B1 (en) * 2000-10-17 2010-07-20 Intel Corporation Ensuring that advertisements are played
US6965683B2 (en) 2000-12-21 2005-11-15 Digimarc Corporation Routing networks for use with watermark systems
FR2829892A1 (fr) * 2001-09-14 2003-03-21 St Microelectronics Sa Procede et systeme de distribution securisee de documents numeriques
JP4422372B2 (ja) * 2001-10-23 2010-02-24 トヨタ自動車株式会社 地図データ処理装置
DE10235544B4 (de) * 2002-03-25 2013-04-04 Agere Systems Guardian Corp. Verfahren für eine verbesserte Datenkommunikation aufgrund einer verbesserten Datenverarbeitung innerhalb eines Senders/Empfängers
US20060075151A1 (en) * 2002-08-08 2006-04-06 Hui Lin Mp3 walkman with a replaceable hard disk
WO2004015740A2 (en) * 2002-08-08 2004-02-19 M-Systems Flash Disk Pioneers Ltd. Integrated circuit for digital rights management
WO2005034092A2 (en) * 2003-09-29 2005-04-14 Handheld Entertainment, Inc. Method and apparatus for coding information
US7664966B2 (en) * 2004-05-17 2010-02-16 Microsoft Corporation Secure storage on recordable medium in a content protection system
KR100580204B1 (ko) * 2004-10-06 2006-05-16 삼성전자주식회사 데이터 저장 장치 및 방법
JP4405418B2 (ja) * 2005-03-30 2010-01-27 株式会社東芝 情報処理装置及びその方法
WO2007028241A2 (en) * 2005-09-07 2007-03-15 Universal Data Protection Corporation Method and system for data security of recording media
KR100710271B1 (ko) * 2006-05-10 2007-04-20 엘지전자 주식회사 외부기기와 티브이의 데이터 재생 방법 및 장치
US20100188880A1 (en) * 2009-01-23 2010-07-29 Analog Devices, Inc. Power switching for portable applications
CN104636662B (zh) * 2013-11-15 2018-07-03 华为技术有限公司 一种数据处理方法和终端设备
JP6265783B2 (ja) * 2014-03-06 2018-01-24 キヤノン株式会社 暗号化／復号化システム及びその制御方法、並びにプログラム
EP2988300A1 (en) 2014-08-18 2016-02-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Switching of sampling rates at audio processing devices
CN116806000B (zh) * 2023-08-18 2024-01-30 广东保伦电子股份有限公司 一种多通道任意扩展的分布式音频矩阵

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* Cited by examiner, † Cited by third party
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JP3073590B2 (ja) * 1992-03-16 2000-08-07 富士通株式会社 電子化データ保護システム、使用許諾者側装置および使用者側装置
DE4402901A1 (de) 1994-02-02 1995-08-03 Sel Alcatel Ag Vorrichtung und Verfahren zur Speicherung und Wiedergabe von digitalen Daten
US5696928A (en) 1995-05-22 1997-12-09 Lucent Technologies Memory chip architecture for digital storage of prerecorded audio data wherein each of the memory cells are individually addressable
US5670730A (en) 1995-05-22 1997-09-23 Lucent Technologies Inc. Data protocol and method for segmenting memory for a music chip
US5694516A (en) 1995-05-22 1997-12-02 Lucent Technologies Inc. Capacitive interface for coupling between a music chip and audio player
US5914941A (en) 1995-05-25 1999-06-22 Information Highway Media Corporation Portable information storage/playback apparatus having a data interface
JPH0973461A (ja) 1995-09-06 1997-03-18 Shinano Kenshi Co Ltd 音声による文章情報再生装置
US6118870A (en) * 1996-10-09 2000-09-12 Lsi Logic Corp. Microprocessor having instruction set extensions for decryption and multimedia applications
JPH10240517A (ja) * 1997-02-21 1998-09-11 Sony Corp ソフトウェアの複製防止方法及び装置
JPH11232779A (ja) * 1997-11-20 1999-08-27 Toshiba Corp コピー防止装置
JP4113306B2 (ja) * 1998-07-22 2008-07-09 松下電器産業株式会社 ディジタルデータ記録装置及びその方法並びにそのプログラムを記録したコンピュータ読み取り可能な記録媒体
JP2000163882A (ja) * 1998-11-30 2000-06-16 Matsushita Electric Ind Co Ltd ディジタル著作物記録媒体並びに当該記録媒体にアクセスする記録装置、再生装置及び削除装置
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Also Published As

Publication number Publication date
WO2000067258A1 (en) 2000-11-09
KR100639232B1 (ko) 2006-10-30
EP1175675B1 (en) 2003-06-25
JP4514341B2 (ja) 2010-07-28
EP1175675A1 (en) 2002-01-30
KR20020006709A (ko) 2002-01-24
AU4500800A (en) 2000-11-17
JP2002543475A (ja) 2002-12-17
DE60003549T2 (de) 2004-04-29
DE60003549D1 (de) 2003-07-31
US7076432B1 (en) 2006-07-11
MXPA01010913A (es) 2002-05-06
CN1349646A (zh) 2002-05-15

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Granted publication date: 20040804

Termination date: 20190428