DE69023803T2 - Daten-Kompandierungsverfahren und Daten-Kompressor/Dehner. - Google Patents

Daten-Kompandierungsverfahren und Daten-Kompressor/Dehner.

Info

Publication number
DE69023803T2
DE69023803T2 DE69023803T DE69023803T DE69023803T2 DE 69023803 T2 DE69023803 T2 DE 69023803T2 DE 69023803 T DE69023803 T DE 69023803T DE 69023803 T DE69023803 T DE 69023803T DE 69023803 T2 DE69023803 T2 DE 69023803T2
Authority
DE
Germany
Prior art keywords
data
stretcher
compressor
companding method
data compressor
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
DE69023803T
Other languages
English (en)
Other versions
DE69023803D1 (de
Inventor
Susumu Yamaguchi
Tetsuo Ishiwata
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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
Priority claimed from JP1108853A external-priority patent/JPH02288422A/ja
Priority claimed from JP1295856A external-priority patent/JPH03155220A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69023803D1 publication Critical patent/DE69023803D1/de
Publication of DE69023803T2 publication Critical patent/DE69023803T2/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
    • 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
    • H03M7/50—Conversion to or from non-linear codes, e.g. companding
DE69023803T 1989-04-27 1990-04-25 Daten-Kompandierungsverfahren und Daten-Kompressor/Dehner. Expired - Fee Related DE69023803T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1108853A JPH02288422A (ja) 1989-04-27 1989-04-27 データ圧縮方法
JP1295856A JPH03155220A (ja) 1989-11-14 1989-11-14 データ圧縮器とデータ伸張器

Publications (2)

Publication Number Publication Date
DE69023803D1 DE69023803D1 (de) 1996-01-11
DE69023803T2 true DE69023803T2 (de) 1996-08-08

Family

ID=26448666

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69023803T Expired - Fee Related DE69023803T2 (de) 1989-04-27 1990-04-25 Daten-Kompandierungsverfahren und Daten-Kompressor/Dehner.

Country Status (4)

Country Link
US (1) US5047768A (de)
EP (1) EP0394976B1 (de)
KR (1) KR930011678B1 (de)
DE (1) DE69023803T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005014782A1 (de) * 2005-03-31 2006-10-05 Siemens Ag Verfahren und Vorrichtung zum Übertragen von Daten auf einer Datenleitung zwischen einem Steuergerät und einem dezentralen Datenverarbeitungsgerät

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920009642B1 (ko) * 1990-08-24 1992-10-22 삼성전자 주식회사 데이타 압축 회로
US5387911A (en) * 1992-02-21 1995-02-07 Gleichert; Marc C. Method and apparatus for transmitting and receiving both 8B/10B code and 10B/12B code in a switchable 8B/10B transmitter and receiver
US6757913B2 (en) 1996-07-15 2004-06-29 Gregory D. Knox Wireless music and data transceiver system
US6549672B1 (en) * 1999-06-29 2003-04-15 Sony Corporation Method and apparatus for recovery of encoded data using central value
KR100498457B1 (ko) * 2002-11-11 2005-07-01 삼성전자주식회사 메모리를 감소시키는 개선된 룩업 테이블 압축방법 및이를 이용하여 압축된 룩업 테이블을 가지는 비선형 함수발생장치 및 그 발생방법
US7671778B2 (en) * 2003-06-18 2010-03-02 General Instrument Corporation Digital signal processing scheme for high performance HFC digital return path system with bandwidth conservation
FR2973612B1 (fr) * 2011-03-31 2013-12-20 Suez Environnement Procede de transmission de donnees issues de capteurs autonomes, en particulier de compteurs de fluide, capteur et installation mettant en oeuvre ce procede.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3825924A (en) * 1972-06-27 1974-07-23 Bell Telephone Labor Inc Pulse code modulation code conversion
US4682152A (en) * 1981-04-20 1987-07-21 Hitachi, Ltd. Digital data companding
US4433604A (en) * 1981-09-22 1984-02-28 Texas Instruments Incorporated Frequency domain digital encoding technique for musical signals
JPS5939134A (ja) * 1982-08-30 1984-03-03 Hitachi Ltd 折線伸張回路
US4630030A (en) * 1984-06-28 1986-12-16 Wang Laboratories, Inc. Compression of data for storage
GB2172127B (en) * 1985-03-06 1988-10-12 Ferranti Plc Data compression system
US4626829A (en) * 1985-08-19 1986-12-02 Intelligent Storage Inc. Data compression using run length encoding and statistical encoding
JPH0815263B2 (ja) * 1986-12-12 1996-02-14 株式会社日立製作所 データ圧縮復元方法
JP2702126B2 (ja) * 1987-08-20 1998-01-21 パイオニア株式会社 データ出力回路
US4882754A (en) * 1987-08-25 1989-11-21 Digideck, Inc. Data compression system and method with buffer control
US4881075A (en) * 1987-10-15 1989-11-14 Digital Equipment Corporation Method and apparatus for adaptive data compression
US4929946A (en) * 1989-02-09 1990-05-29 Storage Technology Corporation Adaptive data compression apparatus including run length encoding for a tape drive system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005014782A1 (de) * 2005-03-31 2006-10-05 Siemens Ag Verfahren und Vorrichtung zum Übertragen von Daten auf einer Datenleitung zwischen einem Steuergerät und einem dezentralen Datenverarbeitungsgerät

Also Published As

Publication number Publication date
EP0394976B1 (de) 1995-11-29
EP0394976A3 (en) 1990-12-05
EP0394976A2 (de) 1990-10-31
US5047768A (en) 1991-09-10
DE69023803D1 (de) 1996-01-11
KR930011678B1 (ko) 1993-12-16
KR900017011A (ko) 1990-11-15

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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