AU581432B2 - A digital DPCM encoder/decoder - Google Patents

A digital DPCM encoder/decoder

Info

Publication number
AU581432B2
AU581432B2 AU41750/85A AU4175085A AU581432B2 AU 581432 B2 AU581432 B2 AU 581432B2 AU 41750/85 A AU41750/85 A AU 41750/85A AU 4175085 A AU4175085 A AU 4175085A AU 581432 B2 AU581432 B2 AU 581432B2
Authority
AU
Australia
Prior art keywords
decoder
dpcm encoder
digital
digital dpcm
encoder
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.)
Ceased
Application number
AU41750/85A
Other languages
English (en)
Other versions
AU4175085A (en
Inventor
Peter Pirsch
Klaus Schaper
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.)
Alcatel Lucent NV
Original Assignee
Alcatel NV
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 Alcatel NV filed Critical Alcatel NV
Publication of AU4175085A publication Critical patent/AU4175085A/en
Application granted granted Critical
Publication of AU581432B2 publication Critical patent/AU581432B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
AU41750/85A 1984-05-09 1985-04-26 A digital DPCM encoder/decoder Ceased AU581432B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843417139 DE3417139A1 (de) 1984-05-09 1984-05-09 Digitaler dpcm-codierer/decodierer fuer hohe verarbeitungsgeschwindigkeiten, insbesondere fuer fernsehbildsignale
DE3417139 1984-05-09

Publications (2)

Publication Number Publication Date
AU4175085A AU4175085A (en) 1985-11-14
AU581432B2 true AU581432B2 (en) 1989-02-23

Family

ID=6235346

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41750/85A Ceased AU581432B2 (en) 1984-05-09 1985-04-26 A digital DPCM encoder/decoder

Country Status (2)

Country Link
AU (1) AU581432B2 (enrdf_load_stackoverflow)
DE (1) DE3417139A1 (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4686512A (en) * 1985-03-01 1987-08-11 Kabushiki Kaisha Toshiba Integrated digital circuit for processing speech signal
FR2602936B1 (fr) * 1986-08-13 1988-12-02 Trt Telecom Radio Electr Dispositif de codage a modulation differentielle par impulsions codees, dispositif de decodage associe et systeme de transmission comportant au moins un tel dispositif de codage ou de decodage
DE3634691A1 (de) * 1986-10-11 1988-04-14 Philips Patentverwaltung Differenzpulscodemodulator sowie dessen verwendung als demodulator
SE454829B (sv) * 1986-11-13 1988-05-30 Ericsson Telefon Ab L M Sett och anordning for reversibel kompression av informationsberande symboler, samt sett och anordning for att rekonstruera en sekvens av informationsberande symboler som har komprimerats enligt ovan nemnda sett
EP0278012A1 (de) * 1987-02-06 1988-08-17 Deutsche ITT Industries GmbH Steuerschaltung fur eine Speicheranordnung
DE3714589A1 (de) * 1987-05-01 1988-11-10 Standard Elektrik Lorenz Ag Videosignal-codierer mit dpcm und adaptiver praediktion

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075655A (en) * 1975-04-03 1978-02-21 Nippon Electric Co., Ltd. Composite feedback predictive code communication system for a color tv signal including a carrier chrominance signal
EP0197165A1 (de) * 1985-04-03 1986-10-15 Deutsche ITT Industries GmbH Datenreduzierschaltung für digitale Videosignale mit einem Differenz-Pulscodemodulator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2703854C2 (de) * 1975-09-18 1983-09-01 Siemens AG, 1000 Berlin und 8000 München Bildübertragungsanlage
DE2553269A1 (de) * 1975-11-27 1977-06-02 Licentia Gmbh Praediktor zur erzeugung der schaetzwerte einer praediktionskodierung fuer bildsignale
DE3239841A1 (de) * 1982-10-27 1984-05-03 Siemens AG, 1000 Berlin und 8000 München Schneller dpcm-codierer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075655A (en) * 1975-04-03 1978-02-21 Nippon Electric Co., Ltd. Composite feedback predictive code communication system for a color tv signal including a carrier chrominance signal
EP0197165A1 (de) * 1985-04-03 1986-10-15 Deutsche ITT Industries GmbH Datenreduzierschaltung für digitale Videosignale mit einem Differenz-Pulscodemodulator

Also Published As

Publication number Publication date
DE3417139A1 (de) 1985-11-14
AU4175085A (en) 1985-11-14
DE3417139C2 (enrdf_load_stackoverflow) 1992-12-10

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