DE69227795D1 - Kodiereinrichtung für digitale Signale mit verbesserter Kanal-Blockkodierung - Google Patents

Kodiereinrichtung für digitale Signale mit verbesserter Kanal-Blockkodierung

Info

Publication number
DE69227795D1
DE69227795D1 DE69227795T DE69227795T DE69227795D1 DE 69227795 D1 DE69227795 D1 DE 69227795D1 DE 69227795 T DE69227795 T DE 69227795T DE 69227795 T DE69227795 T DE 69227795T DE 69227795 D1 DE69227795 D1 DE 69227795D1
Authority
DE
Germany
Prior art keywords
encoder
digital signals
block coding
channel block
improved channel
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
DE69227795T
Other languages
English (en)
Other versions
DE69227795T2 (de
Inventor
Kazuharu Niimura
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.)
Toshiba Corp
Original Assignee
Toshiba 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
Priority claimed from JP3093033A external-priority patent/JPH04302867A/ja
Priority claimed from JP3093032A external-priority patent/JPH04302866A/ja
Priority claimed from JP3093031A external-priority patent/JPH04302865A/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of DE69227795D1 publication Critical patent/DE69227795D1/de
Application granted granted Critical
Publication of DE69227795T2 publication Critical patent/DE69227795T2/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
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/808—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the composite colour video-signal
    • 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
    • G11B2020/1469—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof modulation code with one or more merging bits between consecutive codewords

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE69227795T 1991-03-30 1992-03-27 Kodiereinrichtung für digitale Signale mit verbesserter Kanal-Blockkodierung Expired - Fee Related DE69227795T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3093033A JPH04302867A (ja) 1991-03-30 1991-03-30 符号化方法及び装置
JP3093032A JPH04302866A (ja) 1991-03-30 1991-03-30 符号化方法及び装置
JP3093031A JPH04302865A (ja) 1991-03-30 1991-03-30 符号化方法及び装置

Publications (2)

Publication Number Publication Date
DE69227795D1 true DE69227795D1 (de) 1999-01-21
DE69227795T2 DE69227795T2 (de) 1999-05-27

Family

ID=27307200

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227795T Expired - Fee Related DE69227795T2 (de) 1991-03-30 1992-03-27 Kodiereinrichtung für digitale Signale mit verbesserter Kanal-Blockkodierung

Country Status (4)

Country Link
US (1) US5365231A (de)
EP (1) EP0511498B1 (de)
KR (1) KR960004577B1 (de)
DE (1) DE69227795T2 (de)

Families Citing this family (31)

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JP3428039B2 (ja) * 1992-06-30 2003-07-22 ソニー株式会社 同期信号検出器、同期信号検出方法及び復号化装置
JP3355666B2 (ja) * 1992-10-22 2002-12-09 ソニー株式会社 変調回路
JPH06197024A (ja) * 1992-11-09 1994-07-15 Sony Corp 変調方法、変調装置及び復調装置
JP3127655B2 (ja) * 1993-03-22 2001-01-29 ソニー株式会社 変調装置及び復調装置
JP3227901B2 (ja) * 1993-05-21 2001-11-12 ソニー株式会社 変調方法及び復調装置
GB9314480D0 (en) * 1993-07-09 1993-08-25 Hewlett Packard Co Encoding data
RO119260B1 (ro) * 1994-02-15 2004-06-30 Philipsáelectronicsán.V. Suport de înregistrare, metodă de realizare a acestuia, dispozitiv de înregistrare şi dispozitiv de citire a suportului de înregistrare
EP0763239B1 (de) * 1995-04-03 2001-07-11 Matsushita Electric Industrial Co., Ltd. Aufzeichnungsmedium, datenübertragungsverfahren und -gerät und datenwiedergabeverfahren und -gerät
WO1996031880A1 (en) * 1995-04-04 1996-10-10 Matsushita Electric Industrial Co., Ltd. Recording medium, recording method and apparatus, and reproduction method and apparatus
JP3457093B2 (ja) * 1995-04-14 2003-10-14 松下電器産業株式会社 記録媒体並びにデジタル変復調方法およびその装置
CA2205565C (en) * 1995-09-01 2007-01-09 Philips Electronics N.V. Method of converting a series of m-bit information words to a modulated signal, method of producing a record carrier, coding device, device, recording device, signal, as well as arecord carrier
KR0165441B1 (ko) * 1995-09-18 1999-03-20 김광호 디지털 데이터 채널 부호화 및 복호화방법과 그 장치
US5712863A (en) * 1996-02-09 1998-01-27 Overland Data Inc Randomizing encoder for digital data storage
US5815514A (en) * 1996-02-09 1998-09-29 Overland Data, Inc. Variable rate bit inserter for digital data storage
US6167550A (en) * 1996-02-09 2000-12-26 Overland Data, Inc. Write format for digital data storage
US6543024B2 (en) 1996-02-09 2003-04-01 Overland Storage, Inc. Write format for digital data storage
US5931968A (en) 1996-02-09 1999-08-03 Overland Data, Inc. Digital data recording channel
RU98116742A (ru) * 1996-02-09 2000-06-27 Оверлэнд Дэйта Кодер для хранения цифровых данных
TW362305B (en) * 1996-10-18 1999-06-21 Koninkl Philips Electronics Nv Apparatus and method for converting a sequence of m-bit information words into a modulated signal
US5999109A (en) * 1997-06-09 1999-12-07 3Com Corporation Frame-based spectral shaping method and apparatus
EP0913824B1 (de) * 1997-10-31 2013-08-14 Hewlett-Packard Development Company, L.P. Erzeugung von Anhängungspunkten in kodierten Daten
EP0913825B1 (de) * 1997-10-31 2013-05-01 Hewlett-Packard Development Company, L.P. Datenkodierung
US6597526B1 (en) 1998-08-14 2003-07-22 Overland Storage, Inc. Magnetic tape drive apparatus including a variable rate encoder
JP3870573B2 (ja) * 1998-08-24 2007-01-17 ソニー株式会社 変調装置および方法、記録媒体、並びに復調装置および方法
FR2826823B1 (fr) * 2001-06-27 2003-10-10 Canon Kk Procede et dispositif de traitement d'un signal numerique code
JP4044774B2 (ja) * 2002-03-13 2008-02-06 富士通株式会社 データ記録装置及びデータ再生装置
JP2004192770A (ja) * 2002-12-13 2004-07-08 Sony Corp 符号化方法と装置および光学ディスク記録方法と装置
CN100440825C (zh) * 2003-01-28 2008-12-03 华为技术有限公司 数字传送网上不同的数据帧接入和传送的系统和方法
KR100519771B1 (ko) * 2003-07-10 2005-10-07 삼성전자주식회사 에러 정정 디코딩 방법 및 그 장치
US7423561B2 (en) * 2005-09-06 2008-09-09 Mediateck Inc. Modulation methods and systems
US7142135B1 (en) * 2005-09-06 2006-11-28 Media Tek Inc. Modulation methods and systems

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5875950A (ja) * 1981-10-31 1983-05-07 Sony Corp ２値データの伝送方法
JPH0683272B2 (ja) * 1983-12-08 1994-10-19 松下電器産業株式会社 ８−１２変調方法
EP0178813B1 (de) * 1984-10-01 1993-08-18 Matsushita Electric Industrial Co., Ltd. Verfahren und Vorrichtung zur numerischen Datenkodierung
JPH0721942B2 (ja) * 1984-10-11 1995-03-08 ソニー株式会社 チヤンネル符号化方法
US4775985A (en) * 1987-04-06 1988-10-04 Sony Corporation Method of dc-free 8/9 nrz coding using a unique sync word pattern
US4985700A (en) * 1988-03-01 1991-01-15 Canon Kabushiki Kaisha Variable-length coding/decoding device
US5016258A (en) * 1988-06-10 1991-05-14 Matsushita Electric Industrial Co., Ltd. Digital modulator and demodulator
US4988999A (en) * 1989-04-12 1991-01-29 Nippon Hoso Kyokai Digital modulation method
JP2870843B2 (ja) * 1989-08-31 1999-03-17 ソニー株式会社 情報伝送装置
JP2809832B2 (ja) * 1990-07-13 1998-10-15 株式会社東芝 符号変調方法
JPH04225625A (ja) * 1990-12-27 1992-08-14 Sony Corp ディジタル変調方式

Also Published As

Publication number Publication date
KR960004577B1 (ko) 1996-04-09
KR920018722A (ko) 1992-10-22
EP0511498A3 (en) 1993-03-03
EP0511498A2 (de) 1992-11-04
EP0511498B1 (de) 1998-12-09
DE69227795T2 (de) 1999-05-27
US5365231A (en) 1994-11-15

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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