ZA200703062B - Modulation coding with RLL (1, k) and MTR (2) constraints - Google Patents

Modulation coding with RLL (1, k) and MTR (2) constraints

Info

Publication number
ZA200703062B
ZA200703062B ZA200703062A ZA200703062A ZA200703062B ZA 200703062 B ZA200703062 B ZA 200703062B ZA 200703062 A ZA200703062 A ZA 200703062A ZA 200703062 A ZA200703062 A ZA 200703062A ZA 200703062 B ZA200703062 B ZA 200703062B
Authority
ZA
South Africa
Prior art keywords
mtr
rll
constraints
modulation coding
coding
Prior art date
Application number
ZA200703062A
Other languages
English (en)
Inventor
Willem M J M Coene
Padij Alexander
Original Assignee
Koningklijke Philips Electroni
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 Koningklijke Philips Electroni filed Critical Koningklijke Philips Electroni
Publication of ZA200703062B publication Critical patent/ZA200703062B/xx

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
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
    • G11B20/10194—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter using predistortion during writing
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
    • H03M5/145—Conversion to or from block codes or representations thereof
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/46—Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind
    • 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
    • G11B2020/1453—17PP modulation, i.e. the parity preserving RLL(1,7) code with rate 2/3 used on Blu-Ray discs

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
ZA200703062A 2004-09-15 2007-04-13 Modulation coding with RLL (1, k) and MTR (2) constraints ZA200703062B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04104463 2004-09-15

Publications (1)

Publication Number Publication Date
ZA200703062B true ZA200703062B (en) 2008-08-27

Family

ID=35429368

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200703062A ZA200703062B (en) 2004-09-15 2007-04-13 Modulation coding with RLL (1, k) and MTR (2) constraints

Country Status (17)

Country Link
US (1) US20080316071A1 (xx)
EP (1) EP1792403A1 (xx)
JP (1) JP2008513918A (xx)
KR (1) KR20070054242A (xx)
CN (1) CN101023586A (xx)
AR (1) AR050743A1 (xx)
AU (1) AU2005283797A1 (xx)
BR (1) BRPI0515179A (xx)
CA (1) CA2580388A1 (xx)
EA (1) EA200700640A1 (xx)
IL (1) IL181862A0 (xx)
MX (1) MX2007002997A (xx)
MY (1) MY145479A (xx)
NO (1) NO20071882L (xx)
TW (1) TW200627399A (xx)
WO (1) WO2006030359A1 (xx)
ZA (1) ZA200703062B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2169833A1 (en) * 2008-09-30 2010-03-31 Thomson Licensing Finite-state machine RLL coding with limited repeated minimum transition runlengths
EP2254248A1 (en) * 2009-05-19 2010-11-24 Thomson Licensing Method for modifying a channel encoder finite state machine, and method for channel encoding
TWI406271B (zh) * 2010-09-27 2013-08-21 Sunplus Technology Co Ltd 資料還原裝置與方法
RU2013125784A (ru) 2013-06-04 2014-12-10 ЭлЭсАй Корпорейшн Устройство для обработки сигналов, переносящих кодированные с модуляцией биты четности

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11120560A (ja) * 1997-10-17 1999-04-30 Sony Corp 光ディスクの記録方法及びアクセス方法、光ディスク、光ディスク記録装置及び光ディスク装置
DE69839246T2 (de) * 1997-12-12 2009-03-19 Sony Corp. Optische platte aufzeichnungs/wiedergabeverfahren, optische platte und optischeplattenvorrichtung
JP3985173B2 (ja) * 1998-05-29 2007-10-03 ソニー株式会社 変調装置および方法、復調装置および方法、並びにデータ格納媒体
JP4692234B2 (ja) * 2005-11-10 2011-06-01 ソニー株式会社 変調テーブル、変調装置および方法、プログラム、並びに記録媒体

Also Published As

Publication number Publication date
CN101023586A (zh) 2007-08-22
MX2007002997A (es) 2007-05-16
EA200700640A1 (ru) 2007-08-31
BRPI0515179A (pt) 2008-07-08
IL181862A0 (en) 2007-07-04
MY145479A (en) 2012-02-29
JP2008513918A (ja) 2008-05-01
AU2005283797A1 (en) 2006-03-23
US20080316071A1 (en) 2008-12-25
EP1792403A1 (en) 2007-06-06
NO20071882L (no) 2007-06-13
CA2580388A1 (en) 2006-03-23
AR050743A1 (es) 2006-11-15
WO2006030359A1 (en) 2006-03-23
TW200627399A (en) 2006-08-01
KR20070054242A (ko) 2007-05-28

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