IL122393A0 - A code word for use in digital optical media and a method of generation thereof - Google Patents

A code word for use in digital optical media and a method of generation thereof

Info

Publication number
IL122393A0
IL122393A0 IL12239397A IL12239397A IL122393A0 IL 122393 A0 IL122393 A0 IL 122393A0 IL 12239397 A IL12239397 A IL 12239397A IL 12239397 A IL12239397 A IL 12239397A IL 122393 A0 IL122393 A0 IL 122393A0
Authority
IL
Israel
Prior art keywords
optical media
digital optical
generation
code word
channel word
Prior art date
Application number
IL12239397A
Other languages
English (en)
Original Assignee
Ttr Technologies 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
Application filed by Ttr Technologies Ltd filed Critical Ttr Technologies Ltd
Priority to IL12239397A priority Critical patent/IL122393A0/xx
Publication of IL122393A0 publication Critical patent/IL122393A0/xx
Priority to US09/555,366 priority patent/US6820229B1/en
Priority to AU14450/99A priority patent/AU738583B2/en
Priority to CNB988117177A priority patent/CN1229723C/zh
Priority to JP2000523605A priority patent/JP2001525587A/ja
Priority to CA002312916A priority patent/CA2312916A1/en
Priority to PCT/IL1998/000585 priority patent/WO1999028822A1/en
Priority to NZ504937A priority patent/NZ504937A/xx
Priority to BR9815072-3A priority patent/BR9815072A/pt
Priority to DE69839918T priority patent/DE69839918D1/de
Priority to EP98958387A priority patent/EP1034478B1/en
Priority to AT98958387T priority patent/ATE405930T1/de
Priority to KR1020007005967A priority patent/KR100566554B1/ko
Priority to US10/918,559 priority patent/US7181673B2/en
Priority to JP2007122332A priority patent/JP4854588B2/ja

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00166Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software
    • G11B20/00173Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software wherein the origin of the content is checked, e.g. determining whether the content has originally been retrieved from a legal disc copy or another trusted source
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00572Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
    • G11B20/00579Circuits 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1806Pulse code modulation systems for audio signals
    • G11B20/1809Pulse code modulation systems for audio signals by interleaving
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00Coding, 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
    • H03M13/29Coding, 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
    • H03M13/2906Coding, 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
    • H03M13/2921Coding, 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
    • H03M13/2924Cross interleaved Reed-Solomon codes [CIRC]
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/14Digital recording or reproducing using self-clocking codes
    • G11B20/1403Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • G11B2020/14618 to 14 modulation, e.g. the EFM code used on CDs or mini-discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10Digital recording or reproducing
    • G11B20/18Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • G11B2020/1836Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information using a Reed Solomon [RS] code
    • G11B2020/184Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information using a Reed Solomon [RS] code using a cross-interleaved Reed Solomon [CIRC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Probability & Statistics with Applications (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Error Detection And Correction (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Holo Graphy (AREA)
  • Sewing Machines And Sewing (AREA)
  • Detection And Correction Of Errors (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
IL12239397A 1997-12-01 1997-12-01 A code word for use in digital optical media and a method of generation thereof IL122393A0 (en)

Priority Applications (15)

Application Number Priority Date Filing Date Title
IL12239397A IL122393A0 (en) 1997-12-01 1997-12-01 A code word for use in digital optical media and a method of generation thereof
KR1020007005967A KR100566554B1 (ko) 1997-12-01 1998-11-30 디지털 광 매체에서 사용되는 코드워드 및 코드워드의생성 방법
PCT/IL1998/000585 WO1999028822A1 (en) 1997-12-01 1998-11-30 A codeword for use in digital optical media and a method of generation thereof
BR9815072-3A BR9815072A (pt) 1997-12-01 1998-11-30 Palavra de código para uso em mìdias ópticas digitais e método para a sua geração
CNB988117177A CN1229723C (zh) 1997-12-01 1998-11-30 含代码字的数字光媒体和它的生成方法
JP2000523605A JP2001525587A (ja) 1997-12-01 1998-11-30 ディジタル光メディアにおいて使用されるコードワードおよびコードワードを生成する方法
CA002312916A CA2312916A1 (en) 1997-12-01 1998-11-30 A codeword for use in digital optical media and a method of generation thereof
US09/555,366 US6820229B1 (en) 1997-12-01 1998-11-30 Codeword for use in digital optical media and a method of generation thereof
NZ504937A NZ504937A (en) 1997-12-01 1998-11-30 A method of generating a codeword for use in error correction of digital optical media
AU14450/99A AU738583B2 (en) 1997-12-01 1998-11-30 A codeword for use in digital optical media and a method of generation thereof
DE69839918T DE69839918D1 (de) 1997-12-01 1998-11-30 Kodewort zur verwendung in digital-optischen medien und verfahren zur generierung
EP98958387A EP1034478B1 (en) 1997-12-01 1998-11-30 A codeword for use in digital optical media and a method of generation thereof
AT98958387T ATE405930T1 (de) 1997-12-01 1998-11-30 Kodewort zur verwendung in digital-optischen medien und verfahren zur generierung
US10/918,559 US7181673B2 (en) 1997-12-01 2004-08-13 Codeword for use in digital optical media and a method of generating therefor
JP2007122332A JP4854588B2 (ja) 1997-12-01 2007-05-07 ディジタル光メディアにおいて使用されるコードワードおよびコードワードを生成する方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL12239397A IL122393A0 (en) 1997-12-01 1997-12-01 A code word for use in digital optical media and a method of generation thereof

Publications (1)

Publication Number Publication Date
IL122393A0 true IL122393A0 (en) 1998-06-15

Family

ID=11070916

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12239397A IL122393A0 (en) 1997-12-01 1997-12-01 A code word for use in digital optical media and a method of generation thereof

Country Status (13)

Country Link
US (2) US6820229B1 (xx)
EP (1) EP1034478B1 (xx)
JP (2) JP2001525587A (xx)
KR (1) KR100566554B1 (xx)
CN (1) CN1229723C (xx)
AT (1) ATE405930T1 (xx)
AU (1) AU738583B2 (xx)
BR (1) BR9815072A (xx)
CA (1) CA2312916A1 (xx)
DE (1) DE69839918D1 (xx)
IL (1) IL122393A0 (xx)
NZ (1) NZ504937A (xx)
WO (1) WO1999028822A1 (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW509900B (en) * 2000-02-29 2002-11-11 Via Tech Inc Error correction method for correcting errors in digital data
US20050022091A1 (en) * 2003-07-21 2005-01-27 Holman Thomas J. Method, system, and apparatus for adjacent-symbol error correction and detection code
EP1780636B1 (en) * 2004-01-06 2013-04-17 Thomson Licensing Improved techniques for detecting, analyzing, and using visible authentication patterns
CN1952978B (zh) * 2004-01-06 2010-05-26 汤姆逊许可证公司 用于检测、分析和使用可见认证图样的改进技术
DE602004030313D1 (de) * 2004-02-13 2011-01-13 Alcatel Lucent Iterative Dekodierung zweidimensionaler Blockkodes
US7275199B2 (en) * 2004-08-05 2007-09-25 International Business Machines Corporation Method and apparatus for a modified parity check
US9864654B2 (en) 2015-09-21 2018-01-09 Sandisk Technologies Llc Detecting data indicated as being uncorrectable at a data storage device

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US4312069A (en) * 1980-02-07 1982-01-19 Bell Telephone Laboratories, Incorporated Serial encoding-decoding for cyclic block codes
US4488302A (en) * 1983-02-11 1984-12-11 At&T Bell Laboratories Burst error correction using cyclic block codes
JPS60175254A (ja) * 1984-02-22 1985-09-09 Noritaka Kawaoka ソフトウエア記録媒体のデツドコピ−防止方法
US4823210A (en) 1984-08-13 1989-04-18 Verbatim Corporation Copy protected disk
DE3587535T2 (de) 1984-10-01 1994-01-20 Matsushita Electric Ind Co Ltd Verfahren und Vorrichtung zur numerischen Datenkodierung.
US4849836A (en) * 1985-06-07 1989-07-18 Software Heaven, Inc. Copy protection for computer discs
IL91158A (en) * 1989-07-28 1993-01-31 Ibm Israel Method and system for arithmetic coding and decoding
US5231662A (en) 1989-08-01 1993-07-27 Tulip Computers International B.V. Method and device for enciphering data to be transferred and for deciphering the enciphered data, and a computer system comprising such a device
JPH03166601A (ja) * 1989-11-27 1991-07-18 Hitachi Ltd 制御支援装置
US5243655A (en) * 1990-01-05 1993-09-07 Symbol Technologies Inc. System for encoding and decoding data in machine readable graphic form
ES2103719T3 (es) 1990-01-18 1997-10-01 Philips Electronics Nv Dispositivo de almacenamiento reversible de datos digitales sobre un medio multipista, dispositivo descodificador aparato de reproduccion de informacion para utilizar con dicho medio, y soporte de almacenamiento para utilizar con dicho dispositivo de almacenamiento, con dicho
DE69233335T2 (de) * 1991-12-02 2005-02-10 Koninklijke Philips Electronics N.V. Geschlossenes Informationssystem mit Kopierschutz
JP2575988B2 (ja) * 1992-03-18 1997-01-29 富士通株式会社 光ディスクのコピー防止方法、光ディスク及び光ディスク装置
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JP2776209B2 (ja) 1993-07-22 1998-07-16 日本ビクター株式会社 光ディスク及び情報記録再生装置
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Also Published As

Publication number Publication date
DE69839918D1 (de) 2008-10-02
KR20010032685A (ko) 2001-04-25
CA2312916A1 (en) 1999-06-10
KR100566554B1 (ko) 2006-03-30
EP1034478B1 (en) 2008-08-20
EP1034478A1 (en) 2000-09-13
US6820229B1 (en) 2004-11-16
EP1034478A4 (en) 2006-06-14
JP2007280597A (ja) 2007-10-25
JP2001525587A (ja) 2001-12-11
US7181673B2 (en) 2007-02-20
NZ504937A (en) 2003-04-29
CN1229723C (zh) 2005-11-30
WO1999028822A1 (en) 1999-06-10
ATE405930T1 (de) 2008-09-15
JP4854588B2 (ja) 2012-01-18
BR9815072A (pt) 2000-10-03
CN1282428A (zh) 2001-01-31
AU1445099A (en) 1999-06-16
US20050015706A1 (en) 2005-01-20
AU738583B2 (en) 2001-09-20

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