BR8304725A - Codificador dpcm de acao rapida - Google Patents

Codificador dpcm de acao rapida

Info

Publication number
BR8304725A
BR8304725A BR8304725A BR8304725A BR8304725A BR 8304725 A BR8304725 A BR 8304725A BR 8304725 A BR8304725 A BR 8304725A BR 8304725 A BR8304725 A BR 8304725A BR 8304725 A BR8304725 A BR 8304725A
Authority
BR
Brazil
Prior art keywords
pulse code
code modulation
modulation signal
fast action
dpcm encoder
Prior art date
Application number
BR8304725A
Other languages
English (en)
Portuguese (pt)
Inventor
Hans-Joachim Grallert
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of BR8304725A publication Critical patent/BR8304725A/pt

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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Escalators And Moving Walkways (AREA)
  • Error Detection And Correction (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Amplifiers (AREA)
BR8304725A 1982-09-01 1983-08-31 Codificador dpcm de acao rapida BR8304725A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823232516 DE3232516A1 (de) 1982-09-01 1982-09-01 Schneller dpcm-kodierer

Publications (1)

Publication Number Publication Date
BR8304725A true BR8304725A (pt) 1984-04-10

Family

ID=6172236

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8304725A BR8304725A (pt) 1982-09-01 1983-08-31 Codificador dpcm de acao rapida

Country Status (8)

Country Link
US (1) US4541102A (enExample)
EP (1) EP0104470B1 (enExample)
JP (1) JPS5961219A (enExample)
AT (1) ATE40499T1 (enExample)
AU (1) AU540830B2 (enExample)
BR (1) BR8304725A (enExample)
DE (2) DE3232516A1 (enExample)
NO (1) NO833096L (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60158856U (ja) * 1984-03-30 1985-10-22 能美防災株式会社 消火冷却用液体散布装置
JPS60158855U (ja) * 1984-03-30 1985-10-22 能美防災株式会社 消火冷却用液体散布装置
JPS61142824A (ja) * 1984-12-14 1986-06-30 Fujitsu Ltd 高速ｄｐｃｍ符号器
JPS6158327A (ja) * 1984-08-30 1986-03-25 Fujitsu Ltd 高速ｄｐｃｍ符号器
EP0173983B1 (en) * 1984-08-30 1992-12-30 Fujitsu Limited Differential coding circuit
US4658239A (en) * 1984-09-14 1987-04-14 Siemens Aktiengesellschaft Differential pulse code modulation coder
EP0197165B1 (de) * 1985-04-03 1989-07-19 Deutsche ITT Industries GmbH Datenreduzierschaltung für digitale Videosignale mit einem Differenz-Pulscodemodulator
EP0218917B1 (de) * 1985-09-23 1989-08-16 Siemens Aktiengesellschaft Codierer für mehrdimensionale Differenz-Pulscode-Modulation mit hoher Arbeitsgeschwindigkeit
EP0218918B1 (de) * 1985-09-23 1989-11-29 Siemens Aktiengesellschaft Codierer für mehrdimensionale Differenz-Pulscode-Modulation mit hoher Arbeitsgeschwindigkeit
DE3679545D1 (de) * 1986-04-19 1991-07-04 Itt Ind Gmbh Deutsche Datenreduzierschaltung mit einem differenz-pulscodemodulator fuer videosignale.
US4684983A (en) * 1986-07-31 1987-08-04 Rca Corporation Non-linear processor for reducing the dynamic range of a digitized error signal
US4745474A (en) * 1987-04-17 1988-05-17 General Electric Company Two resolution level DPCM system
US4907248A (en) * 1987-09-22 1990-03-06 Zenith Electronics Corporation Error correction for digital signal transmission
US4866510A (en) * 1988-09-30 1989-09-12 American Telephone And Telegraph Company Digital video encoder
JPH07109991B2 (ja) * 1989-06-05 1995-11-22 日本ビクター株式会社 ノイズシェーピング型再量子化回路
US5187482A (en) * 1992-03-02 1993-02-16 General Electric Company Delta sigma analog-to-digital converter with increased dynamic range

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980000207A1 (en) * 1978-06-27 1980-02-07 Indep Broadcasting Authority Predictive differential pulse-code modulation apparatus
US4470146A (en) * 1982-04-30 1984-09-04 Communications Satellite Corporation Adaptive quantizer with instantaneous error robustness

Also Published As

Publication number Publication date
AU540830B2 (en) 1984-12-06
DE3379096D1 (de) 1989-03-02
NO833096L (no) 1984-03-02
AU1857783A (en) 1984-03-08
DE3232516A1 (de) 1984-03-01
ATE40499T1 (de) 1989-02-15
EP0104470B1 (de) 1989-01-25
JPS5961219A (ja) 1984-04-07
US4541102A (en) 1985-09-10
EP0104470A3 (en) 1986-11-26
EP0104470A2 (de) 1984-04-04
JPH0126206B2 (enExample) 1989-05-23

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