AU781208B2 - Prevention of CD-audio piracy using sub-code channels - Google Patents

Prevention of CD-audio piracy using sub-code channels Download PDF

Info

Publication number
AU781208B2
AU781208B2 AU46787/01A AU4678701A AU781208B2 AU 781208 B2 AU781208 B2 AU 781208B2 AU 46787/01 A AU46787/01 A AU 46787/01A AU 4678701 A AU4678701 A AU 4678701A AU 781208 B2 AU781208 B2 AU 781208B2
Authority
AU
Australia
Prior art keywords
data
audio
session
medium
recording
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.)
Ceased
Application number
AU46787/01A
Other languages
English (en)
Other versions
AU4678701A (en
Inventor
Ran Alcalay
Philippe Selve
Patrice Sinquin
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.)
Rovi Europe Ltd
Original Assignee
Macrovision Europe Ltd
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 US09/549,820 external-priority patent/US6988206B1/en
Application filed by Macrovision Europe Ltd filed Critical Macrovision Europe Ltd
Priority claimed from PCT/IL2001/000295 external-priority patent/WO2001080546A2/en
Publication of AU4678701A publication Critical patent/AU4678701A/en
Assigned to MACROVISION EUROPE LTD. reassignment MACROVISION EUROPE LTD. Alteration of Name(s) of Applicant(s) under S113 Assignors: MIDBAR TECH LTD.
Priority to AU2005200838A priority Critical patent/AU2005200838A1/en
Application granted granted Critical
Publication of AU781208B2 publication Critical patent/AU781208B2/en
Priority to AU2007202302A priority patent/AU2007202302A1/en
Assigned to ROVI SOLUTIONS LIMITED reassignment ROVI SOLUTIONS LIMITED Request to Amend Deed and Register Assignors: MACROVISION EUROPE LTD.
Assigned to ROVI EUROPE LIMITED reassignment ROVI EUROPE LIMITED Alteration of Name(s) in Register under S187 Assignors: ROVI SOLUTIONS LIMITED
Anticipated expiration legal-status Critical
Ceased 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
    • G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
    • G11B20/00202—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier wherein the copy protection scheme builds on multi-session recording, e.g. defective table of contents [TOC] in the 2nd session
    • 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
    • G11B20/00659—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a control step which is implemented as an executable file 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
    • G11B20/0092—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
    • G11B20/00927—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches
    • G11B20/00956—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches said intentional errors occurring due to an invalid TOC
    • 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
    • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
    • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
    • G11B2020/1267—Address data
    • G11B2020/1271—Address data the address data being stored in a subcode, e.g. in the Q channel of a CD
    • 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
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • G11B2020/1461—8 to 14 modulation, e.g. the EFM code used on CDs or mini-discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
AU46787/01A 2000-04-14 2001-03-29 Prevention of CD-audio piracy using sub-code channels Ceased AU781208B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2005200838A AU2005200838A1 (en) 2000-04-14 2005-02-24 Prevention of CD-audio piracy using sub-code channels
AU2007202302A AU2007202302A1 (en) 2000-04-14 2007-05-22 Prevention of CD-audio piracy using sub-code channels

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/549,820 US6988206B1 (en) 1998-10-20 2000-04-14 Prevention of CD-audio piracy using sub-code channels
US09/549820 2000-04-14
PCT/IL2001/000295 WO2001080546A2 (en) 1999-08-09 2001-03-29 Prevention of cd-audio piracy using sub-code channels

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU2005200838A Division AU2005200838A1 (en) 2000-04-14 2005-02-24 Prevention of CD-audio piracy using sub-code channels

Publications (2)

Publication Number Publication Date
AU4678701A AU4678701A (en) 2001-10-30
AU781208B2 true AU781208B2 (en) 2005-05-12

Family

ID=24194491

Family Applications (1)

Application Number Title Priority Date Filing Date
AU46787/01A Ceased AU781208B2 (en) 2000-04-14 2001-03-29 Prevention of CD-audio piracy using sub-code channels

Country Status (9)

Country Link
EP (1) EP1297651A4 (zh)
JP (1) JP2004501477A (zh)
KR (1) KR100712429B1 (zh)
CN (1) CN100336336C (zh)
AU (1) AU781208B2 (zh)
BR (1) BR0110039A (zh)
CA (1) CA2422515C (zh)
IL (1) IL152251A0 (zh)
MX (1) MXPA02010186A (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0124723D0 (en) * 2001-10-15 2001-12-05 Macrovision Corp Improvements in or relating to the copy protection of optical discs
KR200452225Y1 (ko) * 2008-06-05 2011-02-14 (주)시공사 재활용 목재를 이용한 건축 내장용 조립패널
US20100214893A1 (en) * 2009-02-25 2010-08-26 Aylward Adrian R Copy protection using complexity and uncomputability

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998008180A2 (en) * 1996-08-05 1998-02-26 T.T.R. Technologies Ltd. Digital optical media authentication and copy protection method
WO2000021085A1 (en) * 1998-10-05 2000-04-13 Koninklijke Philips Electronics N.V. System for copy protection of recorded information

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08153331A (ja) * 1994-09-29 1996-06-11 Applics:Kk コピーｃｄ−ｒｏｍ判別方法および装置
WO1998003973A2 (en) 1996-07-24 1998-01-29 Philips Electronics N.V. Improvements in and relating to optically readable discs and disc recording apparatus
AU7362198A (en) * 1997-05-16 1998-12-08 Imation Corp. Arrangement for preventing use of unauthorized duplicates of a data storage medium using subcode and method therefor
ES2155230T3 (es) * 1997-08-28 2001-05-01 Sony Dadc Austria Ag Sistema para gestionar el copiado de un disco optico.
US6104679A (en) 1998-10-01 2000-08-15 T.T.R. Technologies Ltd. Method for determining an unauthorized copy of an optical disc
EP1181689B1 (en) * 1999-05-11 2004-03-10 Macrovision Corporation Methods for Recording and Reading Data from a Compact Disk, and a Compact Disk Player
GB9912312D0 (en) * 1999-05-26 1999-07-28 Dilla Limited C The copy protection of digital audio compact discs
GB0003530D0 (en) * 2000-02-15 2000-04-05 Dilla Limited C The copy protection of digital audio compact discs

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998008180A2 (en) * 1996-08-05 1998-02-26 T.T.R. Technologies Ltd. Digital optical media authentication and copy protection method
WO2000021085A1 (en) * 1998-10-05 2000-04-13 Koninklijke Philips Electronics N.V. System for copy protection of recorded information

Also Published As

Publication number Publication date
EP1297651A2 (en) 2003-04-02
IL152251A0 (en) 2003-05-29
AU4678701A (en) 2001-10-30
MXPA02010186A (es) 2004-08-19
CA2422515C (en) 2011-05-03
KR100712429B1 (ko) 2007-04-27
KR20030064618A (ko) 2003-08-02
CN1460342A (zh) 2003-12-03
BR0110039A (pt) 2003-12-30
CA2422515A1 (en) 2001-10-25
EP1297651A4 (en) 2006-04-12
JP2004501477A (ja) 2004-01-15
CN100336336C (zh) 2007-09-05

Similar Documents

Publication Publication Date Title
KR100701236B1 (ko) 복사 방지 디지털 오디오 콤팩트 디스크, 및 이를제조하는 방법 및 시스템
WO2001080546A2 (en) Prevention of cd-audio piracy using sub-code channels
EP1482498B1 (en) Copy protection of optical media
KR100716769B1 (ko) 기록매체, 데이터 기록방법과 장치, 데이터 재생방법과 장치 및 복사제어방법
AU778271B2 (en) The copy protection of digital audio compact discs
US6988206B1 (en) Prevention of CD-audio piracy using sub-code channels
EP1221117B1 (en) Copy-protected digital audio compact disc, and method and system for producing same
JP4404768B2 (ja) アクセス制御された光ディスクおよびそのための方法
AU781208B2 (en) Prevention of CD-audio piracy using sub-code channels
AU2005200838A1 (en) Prevention of CD-audio piracy using sub-code channels
JP3900984B2 (ja) 記録媒体、データ記録方法、データ記録装置、データ再生方法およびデータ再生装置
GB2382670A (en) A method of copy protection of digital data by altering codewords to introduce impulse errors which are then marked as uncorrectable

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase
PC1 Assignment before grant (sect. 113)

Owner name: MACROVISION EUROPE LTD.

Free format text: THE FORMER OWNER WAS: MIDBAR TECH LTD.