DE69121044D1 - Adaptivgeschaltete Prädiktionskodierung mit Rauschformung - Google Patents

Adaptivgeschaltete Prädiktionskodierung mit Rauschformung

Info

Publication number
DE69121044D1
DE69121044D1 DE69121044T DE69121044T DE69121044D1 DE 69121044 D1 DE69121044 D1 DE 69121044D1 DE 69121044 T DE69121044 T DE 69121044T DE 69121044 T DE69121044 T DE 69121044T DE 69121044 D1 DE69121044 D1 DE 69121044D1
Authority
DE
Germany
Prior art keywords
prediction coding
noise shaping
adaptive switched
switched prediction
adaptive
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
DE69121044T
Other languages
English (en)
Other versions
DE69121044T2 (de
Inventor
Satoshi Mitsuhashi
Masayuki Nishiguchi
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 DE69121044D1 publication Critical patent/DE69121044D1/de
Publication of DE69121044T2 publication Critical patent/DE69121044T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3044—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM]
    • H03M7/3046—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM] adaptive, e.g. adaptive differential pulse code modulation [ADPCM]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69121044T 1990-10-15 1991-10-15 Adaptivgeschaltete Prädiktionskodierung mit Rauschformung Expired - Fee Related DE69121044T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2273286A JPH04150522A (ja) 1990-10-15 1990-10-15 ディジタル信号処理装置

Publications (2)

Publication Number Publication Date
DE69121044D1 true DE69121044D1 (de) 1996-08-29
DE69121044T2 DE69121044T2 (de) 1997-02-06

Family

ID=17525733

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69121044T Expired - Fee Related DE69121044T2 (de) 1990-10-15 1991-10-15 Adaptivgeschaltete Prädiktionskodierung mit Rauschformung

Country Status (5)

Country Link
US (1) US5303374A (de)
EP (1) EP0481707B1 (de)
JP (1) JPH04150522A (de)
KR (1) KR920009094A (de)
DE (1) DE69121044T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1062659B1 (de) * 1998-03-19 2002-01-30 Siemens Aktiengesellschaft Verfahren und vorrichtung zur bearbeitung eines tonsignals
JP3723740B2 (ja) * 1998-10-06 2005-12-07 松下電器産業株式会社 ロスレス圧縮符号方法とその装置およびロスレス圧縮復号方法とその装置
JP4012506B2 (ja) * 2001-08-24 2007-11-21 株式会社ケンウッド 信号の周波数成分を適応的に補間するための装置および方法
WO2006035705A1 (ja) * 2004-09-28 2006-04-06 Matsushita Electric Industrial Co., Ltd. スケーラブル符号化装置およびスケーラブル符号化方法
JP4396683B2 (ja) * 2006-10-02 2010-01-13 カシオ計算機株式会社 音声符号化装置、音声符号化方法、及び、プログラム
KR101324577B1 (ko) * 2007-07-16 2013-11-04 삼성전자주식회사 지연된 신호에 ａｖｃ를 적용하는 신호 처리장치 및 방법
US20090076828A1 (en) * 2007-08-27 2009-03-19 Texas Instruments Incorporated System and method of data encoding
ES2464722T3 (es) * 2008-03-04 2014-06-03 Lg Electronics Inc. Método y aparato para procesar una señal de audio
CN104143986B (zh) * 2013-05-07 2019-04-19 中兴通讯股份有限公司 一种Delta Sigma调制器及其实现调制的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2605361A (en) * 1950-06-29 1952-07-29 Bell Telephone Labor Inc Differential quantization of communication signals
US2724740A (en) * 1950-06-29 1955-11-22 Bell Telephone Labor Inc Quantized transmission with variable quanta
JPS60237738A (ja) * 1984-05-11 1985-11-26 Sony Corp デイジタル信号伝送装置
JPS60251733A (ja) * 1984-05-28 1985-12-12 Sony Corp デイジタル信号伝送装置
US4797902A (en) * 1984-12-29 1989-01-10 Sony Corporation Digital signal transmission device
EP0331405B1 (de) * 1988-02-29 1996-11-27 Sony Corporation Verfahren und Einrichtung zur Digitalsignalverarbeitung

Also Published As

Publication number Publication date
KR920009094A (ko) 1992-05-28
EP0481707A3 (en) 1992-08-05
JPH04150522A (ja) 1992-05-25
DE69121044T2 (de) 1997-02-06
US5303374A (en) 1994-04-12
EP0481707B1 (de) 1996-07-24
EP0481707A2 (de) 1992-04-22

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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