DE69329401D1 - Digitalsignalumwandlungsgerät - Google Patents

Digitalsignalumwandlungsgerät

Info

Publication number
DE69329401D1
DE69329401D1 DE69329401T DE69329401T DE69329401D1 DE 69329401 D1 DE69329401 D1 DE 69329401D1 DE 69329401 T DE69329401 T DE 69329401T DE 69329401 T DE69329401 T DE 69329401T DE 69329401 D1 DE69329401 D1 DE 69329401D1
Authority
DE
Germany
Prior art keywords
digital signal
conversion device
signal conversion
digital
signal
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 - Fee Related
Application number
DE69329401T
Other languages
English (en)
Other versions
DE69329401T2 (de
Inventor
Yoshihide Shimpuku
Hiroyuki Ino
Yasuyuki Chaki
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 DE69329401D1 publication Critical patent/DE69329401D1/de
Publication of DE69329401T2 publication Critical patent/DE69329401T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G11B20/10055—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter using partial response filtering when writing the signal to the medium or reading it therefrom
    • 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
    • G11B20/10268—Improvement or modification of read or write signals bit detection or demodulation methods
    • G11B20/10287—Improvement or modification of read or write signals bit detection or demodulation methods using probabilistic methods, e.g. maximum likelihood detectors
    • G11B20/10296—Improvement or modification of read or write signals bit detection or demodulation methods using probabilistic methods, e.g. maximum likelihood detectors using the Viterbi algorithm
    • 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
    • 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
    • G11B20/1806—Pulse code modulation systems for audio signals
    • G11B20/1813—Pulse code modulation systems for audio signals by adding special bits or symbols to the coded information
DE69329401T 1992-02-24 1993-02-24 Digitalsignalumwandlungsgerät Expired - Fee Related DE69329401T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4036696A JPH05234279A (ja) 1992-02-24 1992-02-24 最尤復号装置及びこれを用いた再生データ復調装置

Publications (2)

Publication Number Publication Date
DE69329401D1 true DE69329401D1 (de) 2000-10-19
DE69329401T2 DE69329401T2 (de) 2001-03-29

Family

ID=12476949

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69329401T Expired - Fee Related DE69329401T2 (de) 1992-02-24 1993-02-24 Digitalsignalumwandlungsgerät

Country Status (4)

Country Link
US (1) US5357524A (de)
EP (1) EP0558310B1 (de)
JP (1) JPH05234279A (de)
DE (1) DE69329401T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0730431A (ja) * 1993-04-02 1995-01-31 Toshiba Corp データ変復調方式および変復調装置
JP3451662B2 (ja) * 1993-07-29 2003-09-29 ソニー株式会社 ディジタルデータの磁気再生装置
JP3237974B2 (ja) * 1993-09-20 2001-12-10 株式会社東芝 ディジタル信号復号装置
DE69424908T2 (de) * 1993-09-20 2000-11-09 Canon Kk Signalverarbeitungsapparat
JP3528929B2 (ja) * 1993-09-22 2004-05-24 ソニー株式会社 磁気記録装置
JPH0818461A (ja) * 1994-06-25 1996-01-19 Nec Corp 最尤誤り訂正方式及び訂正装置
EP0695089B1 (de) * 1994-07-19 2001-10-10 Canon Kabushiki Kaisha Bearbeitungsvorrichtung für digitales Signal
KR100300954B1 (ko) * 1994-09-27 2001-10-22 윤종용 고정각속도방식의디스크재생장치의적응형등화기
JP3046515B2 (ja) * 1994-12-16 2000-05-29 シャープ株式会社 光情報記録再生装置の再生回路
JPH08255434A (ja) * 1995-03-20 1996-10-01 Fujitsu Ltd Ｐｒｍｌの符号化方法、その符号を復調する方法及び装置、及びそれを利用したｐｒｍｌシステム
US6393598B1 (en) 1995-04-20 2002-05-21 Seagate Technology Llc Branch metric compensation for digital sequence detection
US5638065A (en) * 1995-06-13 1997-06-10 International Business Machines Corporation Maximum-likelihood symbol detection for RLL-coded data
US5838729A (en) * 1996-04-09 1998-11-17 Thomson Multimedia, S.A. Multiple mode trellis decoder for a digital signal processing system
US5994951A (en) * 1997-01-21 1999-11-30 Vtc Inc. Automatic-tuning circuit for integrated continuous-time MOSFET-C filters

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE50429T1 (de) * 1985-06-14 1990-02-15 Philips Nv System zum uebertragen von worten, gesichert bei einer kombination eines blockcodes und eines rekurrenten kodes, uebertragungsgeraet zur verwendung in solchem system und empfaengergeraet zur verwendung in solchem system.
DE3689370T2 (de) * 1985-07-24 1994-05-11 Nec Corp Mehrpegel-Modulator mit einer kompakten Einheit zur Erzeugung eines Fehlerkorrekturkodes.
JPH087941B2 (ja) * 1986-04-10 1996-01-29 ソニー株式会社 デジタル再生機器の同期方法
US4928187A (en) * 1987-02-20 1990-05-22 Laserdrive Limited Method and apparatus for encoding and decoding binary data
JPH01151077A (ja) * 1987-12-08 1989-06-13 Matsushita Electric Ind Co Ltd ディジタル磁気録画再生装置
US5016258A (en) * 1988-06-10 1991-05-14 Matsushita Electric Industrial Co., Ltd. Digital modulator and demodulator
JP2731189B2 (ja) * 1988-11-10 1998-03-25 日本電信電話株式会社 符号化・復号化装置
JP2830352B2 (ja) * 1990-04-11 1998-12-02 ソニー株式会社 デジタルデータ検出装置

Also Published As

Publication number Publication date
DE69329401T2 (de) 2001-03-29
EP0558310A1 (de) 1993-09-01
EP0558310B1 (de) 2000-09-13
JPH05234279A (ja) 1993-09-10
US5357524A (en) 1994-10-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee