DE60003549T2 - Verfahren und vorrichtung zur verarbeitung von digital kodierten audiodaten - Google Patents

Verfahren und vorrichtung zur verarbeitung von digital kodierten audiodaten Download PDF

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Publication number
DE60003549T2
DE60003549T2 DE60003549T DE60003549T DE60003549T2 DE 60003549 T2 DE60003549 T2 DE 60003549T2 DE 60003549 T DE60003549 T DE 60003549T DE 60003549 T DE60003549 T DE 60003549T DE 60003549 T2 DE60003549 T2 DE 60003549T2
Authority
DE
Germany
Prior art keywords
file
audio data
key
decoder
storage unit
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60003549T
Other languages
German (de)
English (en)
Other versions
DE60003549D1 (de
Inventor
Hui Sin CHEAH
Tibor Csicsatka
James Robert DICK
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Application granted granted Critical
Publication of DE60003549D1 publication Critical patent/DE60003549D1/de
Publication of DE60003549T2 publication Critical patent/DE60003549T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • 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)
DE60003549T 1999-04-30 2000-04-28 Verfahren und vorrichtung zur verarbeitung von digital kodierten audiodaten Expired - Lifetime DE60003549T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13188199P 1999-04-30 1999-04-30
US131881P 1999-04-30
PCT/US2000/011629 WO2000067258A1 (en) 1999-04-30 2000-04-28 Method and apparatus for processing digitally encoded audio data

Publications (2)

Publication Number Publication Date
DE60003549D1 DE60003549D1 (de) 2003-07-31
DE60003549T2 true DE60003549T2 (de) 2004-04-29

Family

ID=22451423

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60003549T Expired - Lifetime DE60003549T2 (de) 1999-04-30 2000-04-28 Verfahren und vorrichtung zur verarbeitung von digital kodierten audiodaten

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)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3891721B2 (ja) * 1999-02-22 2007-03-14 コロムビアミュージックエンタテインメント株式会社 記録媒体及び記録再生装置
JP2000358003A (ja) * 1999-04-16 2000-12-26 Sanyo Electric Co Ltd 音楽配信システム
JP3389186B2 (ja) * 1999-04-27 2003-03-24 松下電器産業株式会社 半導体メモリカード及び読み出し装置

Also Published As

Publication number Publication date
CN1160632C (zh) 2004-08-04
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
DE60003549D1 (de) 2003-07-31
US7076432B1 (en) 2006-07-11
MXPA01010913A (es) 2002-05-06
CN1349646A (zh) 2002-05-15

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