DE69427721D1 - Modulationsverfahren und -vorrichtung und Demodulationsvorrichtung - Google Patents

Modulationsverfahren und -vorrichtung und Demodulationsvorrichtung

Info

Publication number
DE69427721D1
DE69427721D1 DE69427721T DE69427721T DE69427721D1 DE 69427721 D1 DE69427721 D1 DE 69427721D1 DE 69427721 T DE69427721 T DE 69427721T DE 69427721 T DE69427721 T DE 69427721T DE 69427721 D1 DE69427721 D1 DE 69427721D1
Authority
DE
Germany
Prior art keywords
modulation method
demodulation
demodulation device
modulation
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 - Lifetime
Application number
DE69427721T
Other languages
English (en)
Other versions
DE69427721T2 (de
Inventor
Yoshihide Shimpuki
Toshiyuki Nakagawa
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
Publication of DE69427721D1 publication Critical patent/DE69427721D1/de
Application granted granted Critical
Publication of DE69427721T2 publication Critical patent/DE69427721T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B20/02—Analogue recording or reproducing
    • G11B20/06—Angle-modulation recording or reproducing
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69427721T 1993-05-21 1994-05-19 Modulationsverfahren und -vorrichtung und Demodulationsvorrichtung Expired - Lifetime DE69427721T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11998993A JP3227901B2 (ja) 1993-05-21 1993-05-21 変調方法及び復調装置

Publications (2)

Publication Number Publication Date
DE69427721D1 true DE69427721D1 (de) 2001-08-23
DE69427721T2 DE69427721T2 (de) 2001-10-31

Family

ID=14775153

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69427721T Expired - Lifetime DE69427721T2 (de) 1993-05-21 1994-05-19 Modulationsverfahren und -vorrichtung und Demodulationsvorrichtung

Country Status (6)

Country Link
US (1) US5600315A (de)
EP (1) EP0625828B1 (de)
JP (1) JP3227901B2 (de)
KR (1) KR100288465B1 (de)
CN (1) CN1078991C (de)
DE (1) DE69427721T2 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2182584A1 (en) * 1994-12-12 1996-06-20 Yoshihide Shimpuku Data encoding method and data decoding method
BR9606290A (pt) * 1995-04-03 1997-09-02 Matsushita Electric Ind Co Ltd Meio de gravação aparelho e método para transmissão de dados e aparelho e método para reprodução de dados
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
JP3306271B2 (ja) * 1995-08-23 2002-07-24 三洋電機株式会社 符号化方法、符号化回路、及び復号回路
DE69713815T2 (de) * 1996-02-08 2002-12-19 Matsushita Electric Industrial Co., Ltd. Optische Platte, optische Plattenvorrichtung, und Verfahren zur Wiedergabe von Informationen auf der optischen Platte
EP0854482B1 (de) * 1997-01-16 2004-03-31 SGS-THOMSON MICROELECTRONICS S.r.l. System und Methode zur Dekodierung des EFM- und EFM-Plus-Aufzeichnungsformats im Leseteil für optische Platten (CD und DVD)
US6091347A (en) * 1997-05-23 2000-07-18 Sony Corporation Device and method for modulation and transmission medium
JP3760961B2 (ja) * 1997-09-11 2006-03-29 ソニー株式会社 変調装置および変調方法、復調装置および復調方法、並びに記録媒体
JP3722331B2 (ja) * 1997-12-12 2005-11-30 ソニー株式会社 変調装置および方法、並びに記録媒体
JP3717024B2 (ja) * 1997-12-12 2005-11-16 ソニー株式会社 復調装置および方法
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
JP4009798B2 (ja) * 1998-08-24 2007-11-21 ソニー株式会社 復調装置および方法
US6570509B2 (en) * 2000-03-03 2003-05-27 Motorola, Inc. Method and system for encoding to mitigate decoding errors in a receiver
KR100716956B1 (ko) * 2000-10-11 2007-05-10 삼성전자주식회사 데이터 변조 방법 및 그 검출 방법
JP2002271205A (ja) * 2001-03-09 2002-09-20 Victor Co Of Japan Ltd 変調方法、変調装置、復調方法、復調装置、情報記録媒体、情報伝送方法および情報伝送装置
US6577255B2 (en) * 2001-10-29 2003-06-10 Victor Company Of Japan, Ltd. Method and apparatus for encoding digital data
TW565829B (en) * 2002-03-19 2003-12-11 Via Tech Inc Method and device for recovering decoded data
KR100529309B1 (ko) * 2002-10-07 2005-11-17 삼성전자주식회사 Ｄｖｄ 플레이어의 오프셋 조정 장치 및 방법
CN102412952B (zh) * 2010-09-26 2014-08-13 施耐德电器工业公司 一种具有串扰消除的多通道模拟模块及其控制方法
JP6256883B2 (ja) * 2015-03-25 2018-01-10 国立大学法人 筑波大学 データ圧縮・解凍システム、データ圧縮方法及びデータ解凍方法、並びにデータ圧縮器及びデータ解凍器

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4323931A (en) * 1976-07-14 1982-04-06 Sperry Corporation Method and apparatus for encoding and recovering binary digital data
JPS5846751A (ja) * 1981-09-11 1983-03-18 Sony Corp Ｚ値符号変調方法及び記録媒体
JPS5875353A (ja) * 1981-10-29 1983-05-07 Pioneer Electronic Corp デ−タ変換方式
US4503420A (en) * 1982-05-07 1985-03-05 Digital Equipment Corporation Arrangement for encoding and decoding information signals
JPS59167165A (ja) * 1983-03-11 1984-09-20 Toshiba Corp 可変長符号化復号化方式
EP0178813B1 (de) * 1984-10-01 1993-08-18 Matsushita Electric Industrial Co., Ltd. Verfahren und Vorrichtung zur numerischen Datenkodierung
JPH01118274A (ja) * 1987-10-30 1989-05-10 Canon Inc デジタルデータの記録方式
CA2016957A1 (en) * 1989-06-28 1990-12-28 Lih-Jyh Weng Data encoding and demodulation system
DE69031701T2 (de) * 1989-09-08 1998-03-12 Fujitsu Ltd Kodier- und Dekodierschaltung für lauflängenbegrenzte Kodierung
EP0511498B1 (de) * 1991-03-30 1998-12-09 Kabushiki Kaisha Toshiba Kodiereinrichtung für digitale Signale mit verbesserter Kanal-Blockkodierung
JP3427392B2 (ja) * 1992-05-25 2003-07-14 ソニー株式会社 符号化方法
JP3136796B2 (ja) * 1992-09-24 2001-02-19 ソニー株式会社 可変長符号デコーダ
JP3083011B2 (ja) * 1992-12-28 2000-09-04 キヤノン株式会社 データ記録方法及び装置

Also Published As

Publication number Publication date
CN1078991C (zh) 2002-02-06
CN1098836A (zh) 1995-02-15
EP0625828B1 (de) 2001-07-18
EP0625828A3 (de) 1995-07-26
DE69427721T2 (de) 2001-10-31
JP3227901B2 (ja) 2001-11-12
US5600315A (en) 1997-02-04
KR100288465B1 (ko) 2001-05-02
JPH06334532A (ja) 1994-12-02
EP0625828A2 (de) 1994-11-23
KR940026919A (ko) 1994-12-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)