DE60228490D1 - "datenaufzeichnungsmedium, datenaufzeichnungsverfahren und vorrichtung und datenwiedergabeverfahren und vorrichtung" - Google Patents

"datenaufzeichnungsmedium, datenaufzeichnungsverfahren und vorrichtung und datenwiedergabeverfahren und vorrichtung"

Info

Publication number
DE60228490D1
DE60228490D1 DE60228490T DE60228490T DE60228490D1 DE 60228490 D1 DE60228490 D1 DE 60228490D1 DE 60228490 T DE60228490 T DE 60228490T DE 60228490 T DE60228490 T DE 60228490T DE 60228490 D1 DE60228490 D1 DE 60228490D1
Authority
DE
Germany
Prior art keywords
data recording
data
recording medium
recording method
data processing
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
DE60228490T
Other languages
English (en)
Inventor
Yoichiro Sako
Tatsuya Inokuchi
Shunsuke Furukawa
T Kihara
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE60228490D1 publication Critical patent/DE60228490D1/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
    • G11B20/10—Digital recording or reproducing
    • 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
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • 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
    • G11B20/0021—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
    • 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
    • G11B20/00217—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
    • G11B20/00369—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 a first key, which is usually stored on a hidden channel, e.g. in the lead-in of a BD-R, unlocks a key locker containing a second
    • 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
    • G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
    • G11B20/00579—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the data encoding, e.g., modulation schemes violating run-length constraints, causing excessive DC content, or involving uncommon codewords or sync patterns
    • 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
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/29—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes
    • H03M13/2906—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using block codes
    • H03M13/2921—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining two or more codes or code structures, e.g. product codes, generalised product codes, concatenated codes, inner and outer codes using block codes wherein error correction coding involves a diagonal direction
    • H03M13/2924—Cross interleaved Reed-Solomon codes [CIRC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
DE60228490T 2001-12-21 2002-12-19 "datenaufzeichnungsmedium, datenaufzeichnungsverfahren und vorrichtung und datenwiedergabeverfahren und vorrichtung" Expired - Lifetime DE60228490D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001389750A JP3575461B2 (ja) 2001-12-21 2001-12-21 記録媒体、記録方法および装置、ならびに、再生装置および方法
PCT/JP2002/013301 WO2003054882A1 (fr) 2001-12-21 2002-12-19 Support, procede et appareil d'enregistrement de donnees, et procede et appareil de reproduction de donnees

Publications (1)

Publication Number Publication Date
DE60228490D1 true DE60228490D1 (de) 2008-10-02

Family

ID=19188293

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60228490T Expired - Lifetime DE60228490D1 (de) 2001-12-21 2002-12-19 "datenaufzeichnungsmedium, datenaufzeichnungsverfahren und vorrichtung und datenwiedergabeverfahren und vorrichtung"

Country Status (9)

Country Link
US (1) US7151733B2 (de)
EP (1) EP1457985B1 (de)
JP (1) JP3575461B2 (de)
KR (1) KR20040062426A (de)
CN (1) CN1311461C (de)
AU (1) AU2002364785B2 (de)
DE (1) DE60228490D1 (de)
HK (1) HK1065161A1 (de)
WO (1) WO2003054882A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3575461B2 (ja) 2001-12-21 2004-10-13 ソニー株式会社 記録媒体、記録方法および装置、ならびに、再生装置および方法
JP3960061B2 (ja) * 2002-01-31 2007-08-15 ソニー株式会社 データ記録媒体、データ記録方法および装置、データ再生方法および装置、データ送信方法およびデータ受信方法
EP1805760A1 (de) * 2004-10-21 2007-07-11 Koninklijke Philips Electronics N.V. Verfahren zur keylocker-sicherung auf optischen datenträgern
US9459955B2 (en) * 2012-05-24 2016-10-04 Sandisk Technologies Llc System and method to scramble data based on a scramble key
JP6782190B2 (ja) * 2017-04-25 2020-11-11 株式会社東芝 ディスク装置、コントローラ回路、及び制御方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5341356A (en) * 1991-04-02 1994-08-23 U.S. Philips Corporation Method and device for recording information volumes in a track of a record carrier, and a device for reading the record carrier
JPH07211014A (ja) * 1994-01-14 1995-08-11 Sony Corp 誤り訂正符号符号化方法、誤り訂正符号復号化方法、誤り訂正符号符号化装置、誤り訂正符号復号化装置、デイジタル信号符号化方法、デイジタル信号復号化方法、デイジタル信号符号化装置、デイジタル信号復号化装置及び記録媒体
JP3483612B2 (ja) * 1994-04-08 2004-01-06 株式会社東芝 記録方法、記録装置並びに再生装置
JPH08315515A (ja) * 1995-05-18 1996-11-29 Sony Corp データ記録／再生装置および方法、並びにデータ記録媒体
MY116522A (en) 1995-05-31 2004-02-28 Sony Corp Data recording/reproducing apparatus, method thereof, and data recording medium
TW307862B (de) * 1995-06-20 1997-06-11 Sony Co Ltd
JPH09115241A (ja) * 1995-06-30 1997-05-02 Sony Corp データ記録装置及び方法、データ再生装置及び方法、並びに記録媒体
DE69618509T2 (de) * 1995-07-14 2002-08-29 Sony Corp Übertragung, Aufzeichnung und Wiedergabe von Daten
JP3951317B2 (ja) * 1995-09-28 2007-08-01 ソニー株式会社 データ記録／再生のための装置および方法
US6144743A (en) 1997-02-07 2000-11-07 Kabushiki Kaisha Toshiba Information recording medium, recording apparatus, information transmission system, and decryption apparatus
JP2000207829A (ja) 1999-01-11 2000-07-28 Yamaha Corp 暗号化及びその解除方式
JP2000276852A (ja) * 1999-03-19 2000-10-06 Sony Corp 記録方法、記録媒体、エンコード装置及び記録装置
EP1143655A4 (de) * 1999-10-18 2006-08-30 Sony Corp Vorrichtung und verfahren zur informationsverarbeitung und aufzeichnungsmedium
JP4211165B2 (ja) * 1999-12-10 2009-01-21 ソニー株式会社 符号化装置及び方法、記録媒体、並びに復号装置及び方法
JP2001307424A (ja) * 2000-04-21 2001-11-02 Pioneer Electronic Corp 情報記録装置及び方法、情報再生装置及び方法並びに情報記録媒体
JP3575461B2 (ja) 2001-12-21 2004-10-13 ソニー株式会社 記録媒体、記録方法および装置、ならびに、再生装置および方法

Also Published As

Publication number Publication date
AU2002364785B2 (en) 2008-10-02
HK1065161A1 (en) 2005-02-08
JP2003196930A (ja) 2003-07-11
US20040073852A1 (en) 2004-04-15
US7151733B2 (en) 2006-12-19
AU2002364785A1 (en) 2003-07-09
EP1457985B1 (de) 2008-08-20
CN1311461C (zh) 2007-04-18
JP3575461B2 (ja) 2004-10-13
EP1457985A4 (de) 2006-08-16
CN1491414A (zh) 2004-04-21
KR20040062426A (ko) 2004-07-07
EP1457985A1 (de) 2004-09-15
WO2003054882A1 (fr) 2003-07-03

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