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DE602004002187D1 - Vorrichtung zum Einsatz eines musikalischen Inhalts - Google Patents

Vorrichtung zum Einsatz eines musikalischen Inhalts

Info

Publication number
DE602004002187D1
DE602004002187D1 DE602004002187T DE602004002187T DE602004002187D1 DE 602004002187 D1 DE602004002187 D1 DE 602004002187D1 DE 602004002187 T DE602004002187 T DE 602004002187T DE 602004002187 T DE602004002187 T DE 602004002187T DE 602004002187 D1 DE602004002187 D1 DE 602004002187D1
Authority
DE
Germany
Prior art keywords
content material
chunk
content
security information
identification information
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
DE602004002187T
Other languages
English (en)
Other versions
DE602004002187T2 (de
Inventor
Tetsuo Okamoto
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.)
Yamaha Corp
Original Assignee
Yamaha Corp
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 Yamaha Corp filed Critical Yamaha Corp
Publication of DE602004002187D1 publication Critical patent/DE602004002187D1/de
Application granted granted Critical
Publication of DE602004002187T2 publication Critical patent/DE602004002187T2/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
    • 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
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
    • G10H1/0041—Recording/reproducing or transmission of music for electrophonic musical instruments in coded form
    • G10H1/0058—Transmission between separate instruments or between individual components of a musical system
    • 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
    • G11B20/0021—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
    • G11B20/00282—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 the key being stored in the content area, e.g. program area, data area or user area
    • 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
    • G11B20/00347—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 wherein the medium identifier is used as a key
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2240/00—Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
    • G10H2240/011—Files or data streams containing coded musical information, e.g. for transmission
    • G10H2240/026—File encryption of specific electrophonic music instrument file or stream formats, e.g. MIDI, note oriented formats, sound banks, wavetables
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2240/00—Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
    • G10H2240/091—Info, i.e. juxtaposition of unrelated auxiliary information or commercial messages with or between music files

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Storage Device Security (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE602004002187T 2004-01-08 2004-12-21 Vorrichtung zum Einsatz eines musikalischen Inhalts Expired - Lifetime DE602004002187T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004002837 2004-01-08
JP2004002837A JP4225201B2 (ja) 2004-01-08 2004-01-08 音楽コンテンツ利用装置及びプログラム

Publications (2)

Publication Number Publication Date
DE602004002187D1 true DE602004002187D1 (de) 2006-10-12
DE602004002187T2 DE602004002187T2 (de) 2007-07-19

Family

ID=34587698

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004002187T Expired - Lifetime DE602004002187T2 (de) 2004-01-08 2004-12-21 Vorrichtung zum Einsatz eines musikalischen Inhalts

Country Status (6)

Country Link
US (1) US7937327B2 (de)
EP (1) EP1553557B1 (de)
JP (1) JP4225201B2 (de)
CN (1) CN1637854A (de)
AT (1) ATE338329T1 (de)
DE (1) DE602004002187T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4535054B2 (ja) * 2006-10-16 2010-09-01 ヤマハ株式会社 電子音楽装置及びそのコンピュータプログラム
US8885832B2 (en) * 2007-03-30 2014-11-11 Ricoh Company, Ltd. Secure peer-to-peer distribution of an updatable keyring
US8046328B2 (en) 2007-03-30 2011-10-25 Ricoh Company, Ltd. Secure pre-caching through local superdistribution and key exchange
JP5200554B2 (ja) * 2008-01-21 2013-06-05 ヤマハ株式会社 電子音楽装置及び音楽コンテンツ処理プログラム

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5889860A (en) * 1996-11-08 1999-03-30 Sunhawk Corporation, Inc. Encryption system with transaction coded decryption key
US6385596B1 (en) * 1998-02-06 2002-05-07 Liquid Audio, Inc. Secure online music distribution system
WO2000005716A1 (en) * 1998-07-22 2000-02-03 Matsushita Electric Industrial Co., Ltd. Digital data recording device and method for protecting copyright and easily reproducing encrypted digital data and computer readable recording medium recording program
CA2348771A1 (en) * 1999-09-01 2001-03-08 Matsushita Electric Industrial Co., Ltd. Copyrighted data processing method and apparatus
JP2001184057A (ja) 1999-12-24 2001-07-06 Victor Co Of Japan Ltd 電子透かし埋め込み方法、楽曲データ再生方法、楽曲データ配信方法及び記録媒体
JP2001209583A (ja) * 2000-01-26 2001-08-03 Sony Corp データ記録再生器およびセーブデータ処理方法、並びにプログラム提供媒体
EP1291850A4 (de) * 2000-04-20 2005-07-20 Sanyo Electric Co Decoder
US20010042048A1 (en) * 2000-05-15 2001-11-15 The Regents Of The University Of California Method and apparatus for electronically distributing audio recordings
JP2002073017A (ja) 2000-08-24 2002-03-12 Victor Co Of Japan Ltd 電子透かし埋め込み方法、楽曲データ配信方法、楽曲データ記録方法、楽曲データ再生方法
US20020010826A1 (en) 2000-07-14 2002-01-24 Victor Company Of Japan, Ltd. Digital memory card and apparatus for reproducing data therefrom
AU2000275544A1 (en) * 2000-09-15 2002-03-26 Netfraternity Network S.P.A. Method and system for the dissemination of audio tracks through computer networks
US20030079222A1 (en) * 2000-10-06 2003-04-24 Boykin Patrick Oscar System and method for distributing perceptually encrypted encoded files of music and movies
US20020128928A1 (en) 2001-03-09 2002-09-12 Hiroshi Sukegawa Music distribution method for distributing production such as music, server used for said music distribution method, and music reproduction apparatus
JP4053792B2 (ja) 2001-03-09 2008-02-27 株式会社東芝 音楽配信方法及び音楽再生装置
JP2003271766A (ja) 2002-03-15 2003-09-26 Yamaha Corp 電子音楽装置用コンテンツ販売サイト、コンテンツ購入装置及び記憶媒体、電子音楽装置並びにプログラム
EP1712978A3 (de) 2002-03-15 2006-12-06 Yamaha Corporation Inhaltverbreitungssystem mittels in Lizenzen eingebetteter Endgerätsidentifikation
JP2004056620A (ja) * 2002-07-23 2004-02-19 Sony Corp 情報処理装置、および情報処理方法、並びにコンピュータ・プログラム
JP3821768B2 (ja) * 2002-09-11 2006-09-13 ソニー株式会社 情報記録媒体、情報処理装置、および情報処理方法、並びにコンピュータ・プログラム
JP3864881B2 (ja) * 2002-09-24 2007-01-10 ヤマハ株式会社 電子音楽システムおよび電子音楽システム用プログラム

Also Published As

Publication number Publication date
US20050160047A1 (en) 2005-07-21
JP2005195935A (ja) 2005-07-21
ATE338329T1 (de) 2006-09-15
EP1553557A1 (de) 2005-07-13
EP1553557B1 (de) 2006-08-30
US7937327B2 (en) 2011-05-03
DE602004002187T2 (de) 2007-07-19
CN1637854A (zh) 2005-07-13
JP4225201B2 (ja) 2009-02-18

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