DE3586932T2 - Differentielle kodierungsschaltung. - Google Patents

Differentielle kodierungsschaltung.

Info

Publication number
DE3586932T2
DE3586932T2 DE8585110978T DE3586932T DE3586932T2 DE 3586932 T2 DE3586932 T2 DE 3586932T2 DE 8585110978 T DE8585110978 T DE 8585110978T DE 3586932 T DE3586932 T DE 3586932T DE 3586932 T2 DE3586932 T2 DE 3586932T2
Authority
DE
Germany
Prior art keywords
coding circuit
differential coding
differential
circuit
coding
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
DE8585110978T
Other languages
English (en)
Other versions
DE3586932D1 (de
Inventor
Takeshi Okazaki
Minaminomachi Tsuda
Shinichi Moegino Haitsu Maki
Kiichi Shibue-So Matsuda
Hirohisa Gambe
Hirokazu Fukui
Toshi Ikezawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 JP59181061A external-priority patent/JPS6158327A/ja
Priority claimed from JP59242456A external-priority patent/JPS61121619A/ja
Priority claimed from JP59243813A external-priority patent/JPS61121621A/ja
Priority claimed from JP59245775A external-priority patent/JPS61125233A/ja
Priority claimed from JP59263972A external-priority patent/JPS61142824A/ja
Priority claimed from JP60104951A external-priority patent/JPS61292424A/ja
Priority claimed from JP10494885A external-priority patent/JPH0239138B2/ja
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE3586932D1 publication Critical patent/DE3586932D1/de
Publication of DE3586932T2 publication Critical patent/DE3586932T2/de
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/04—Colour television systems using pulse code modulation
    • 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]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/004—Predictors, e.g. intraframe, interframe coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE8585110978T 1984-08-30 1985-08-30 Differentielle kodierungsschaltung. Expired - Fee Related DE3586932T2 (de)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP59181061A JPS6158327A (ja) 1984-08-30 1984-08-30 高速ｄｐｃｍ符号器
JP59242456A JPS61121619A (ja) 1984-11-19 1984-11-19 高速ｄｐｃｍ回路
JP59243813A JPS61121621A (ja) 1984-11-19 1984-11-19 高速ｄｐｃｍ回路
JP59245775A JPS61125233A (ja) 1984-11-20 1984-11-20 高速ｄｐｃｍ回路
JP59263972A JPS61142824A (ja) 1984-12-14 1984-12-14 高速ｄｐｃｍ符号器
JP60104951A JPS61292424A (ja) 1985-05-18 1985-05-18 差分符号器
JP10494885A JPH0239138B2 (ja) 1985-05-18 1985-05-18 Sabunfugoki

Publications (2)

Publication Number Publication Date
DE3586932D1 DE3586932D1 (de) 1993-02-11
DE3586932T2 true DE3586932T2 (de) 1993-05-13

Family

ID=27565707

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585110978T Expired - Fee Related DE3586932T2 (de) 1984-08-30 1985-08-30 Differentielle kodierungsschaltung.

Country Status (5)

Country Link
US (1) US4771439A (de)
EP (1) EP0173983B1 (de)
KR (1) KR890004441B1 (de)
CA (1) CA1338767C (de)
DE (1) DE3586932T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0218918B1 (de) * 1985-09-23 1989-11-29 Siemens Aktiengesellschaft Codierer für mehrdimensionale Differenz-Pulscode-Modulation mit hoher Arbeitsgeschwindigkeit
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
JPH0314383A (ja) * 1989-06-13 1991-01-23 Canon Inc 符号化装置
US5293229A (en) * 1992-03-27 1994-03-08 Matsushita Electric Corporation Of America Apparatus and method for processing groups of fields in a video data compression system
US6195398B1 (en) 1997-12-19 2001-02-27 Stmicroelectronics, Inc. Method and apparatus for coding and communicating data in noisy environment
JP2002368624A (ja) * 2001-06-08 2002-12-20 Sakai Yasue 圧縮装置及び方法、伸長装置及び方法、圧縮伸長システム、プログラム、記録媒体
KR100612849B1 (ko) 2003-07-18 2006-08-14 삼성전자주식회사 영상 부호화 및 복호화 장치 및 방법
TW200901636A (en) * 2007-06-22 2009-01-01 Macroblock Inc Signal encoder and signal decoder
US9571931B1 (en) 2013-04-09 2017-02-14 Cirrus Logic, Inc. Systems and methods for reducing non-linearities of a microphone signal
US9626981B2 (en) 2014-06-25 2017-04-18 Cirrus Logic, Inc. Systems and methods for compressing a digital signal
GB2530605B (en) * 2014-06-25 2018-10-24 Cirrus Logic Inc Systems and methods for compressing a digital signal

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2260264C3 (de) * 1972-12-08 1975-06-05 Siemens Ag, 1000 Berlin Und 8000 Muenchen Verfahren und Anordnung zur Schätzwertbildung in einem Codierer für Differenz-Pulscodemodulation
US4179710A (en) * 1976-02-23 1979-12-18 Nippon Electric Co., Ltd. Predictive encoder with a non-linear quantizing characteristic
WO1980000207A1 (en) * 1978-06-27 1980-02-07 Indep Broadcasting Authority Predictive differential pulse-code modulation apparatus
JPS5550738A (en) * 1978-10-05 1980-04-12 Nec Corp Decoding method of adaptability forecasting type differential pulse code and its unit
JPS57101421A (en) * 1980-12-17 1982-06-24 Fujitsu Ltd Generating circuit for differential pulse code modulation signal
US4470146A (en) * 1982-04-30 1984-09-04 Communications Satellite Corporation Adaptive quantizer with instantaneous error robustness
DE3232516A1 (de) * 1982-09-01 1984-03-01 Siemens AG, 1000 Berlin und 8000 München Schneller dpcm-kodierer

Also Published As

Publication number Publication date
EP0173983A3 (en) 1988-06-08
DE3586932D1 (de) 1993-02-11
CA1338767C (en) 1996-12-03
EP0173983B1 (de) 1992-12-30
EP0173983A2 (de) 1986-03-12
KR870002732A (ko) 1987-04-06
KR890004441B1 (ko) 1989-11-03
US4771439A (en) 1988-09-13

Similar Documents

Publication Publication Date Title
FI853410A0 (fi) Kopplingsanordning.
FI854327A0 (fi) Saett att behandla foerpackningsmaterial.
DE3577789D1 (de) Dekodierschaltung.
FI851891A0 (fi) Strykningsanordning foer att oeverdraga loepande aemnesbanor.
DE3584397D1 (de) Verriegelungsschaltung.
FI853522A0 (fi) Foerfarande foer att separera naturgasvaetskor.
DE3575246D1 (de) Stromflussumkehrschaltkreis.
NO854793L (no) Arbitrasje-krets.
DE3581094D1 (de) Logische addierschaltung.
DE3580661D1 (de) Dekodierungsschaltung.
FI860871A0 (fi) Foerfarande foer att framstaella en biaxiellt orienterad behaollare.
FI854252A0 (fi) Anordning foer att belaegga en loepande aemnesbana.
DE3586932D1 (de) Differentielle kodierungsschaltung.
FI852164A0 (fi) Kopplingsanordning.
FI852691A0 (fi) Diarre foerhindrande benzotiofenderivat.
FI851044A0 (fi) Anordning foer att daempa tryckojaemnheter.
FI844155A0 (fi) Saett att belaegga pumploephjul.
DE3584720D1 (de) Majoritaetsschaltung.
FI853102A0 (fi) Kopplingsanordning.
FI853481A0 (fi) Foerfarande foer att paovisa elakartad celldelning.
FI852835A0 (fi) Saett att goera skaoror i cigarettfilter.
FI862750A0 (fi) Kopplingsanordning.
FI855146A (fi) Teleskopiskt tryckroer foer att placeras i jorden.
DE3580496D1 (de) Logische schaltung.
FI853637L (fi) Foerfarande foer att aostadkomma en jaemnt foerdelad taethet.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee