JPS6272230A - 高速多元ｄｐｃｍ変調用符号器 - Google Patents

高速多元ｄｐｃｍ変調用符号器

Info

Publication number
JPS6272230A
JPS6272230A JP61223957A JP22395786A JPS6272230A JP S6272230 A JPS6272230 A JP S6272230A JP 61223957 A JP61223957 A JP 61223957A JP 22395786 A JP22395786 A JP 22395786A JP S6272230 A JPS6272230 A JP S6272230A
Authority
JP
Japan
Prior art keywords
adder
register
quantizer
encoder
calculation loop
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.)
Granted
Application number
JP61223957A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0156579B2 (enExample
Inventor
ハンス−ヨーアヒム・グラレルト
ハンス・ユールゲン・マツタウシユ
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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of JPS6272230A publication Critical patent/JPS6272230A/ja
Publication of JPH0156579B2 publication Critical patent/JPH0156579B2/ja
Granted 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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP61223957A 1985-09-23 1986-09-24 高速多元ｄｐｃｍ変調用符号器 Granted JPS6272230A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3533868 1985-09-23
DE3533868.7 1985-09-23

Publications (2)

Publication Number Publication Date
JPS6272230A true JPS6272230A (ja) 1987-04-02
JPH0156579B2 JPH0156579B2 (enExample) 1989-11-30

Family

ID=6281689

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61223957A Granted JPS6272230A (ja) 1985-09-23 1986-09-24 高速多元ｄｐｃｍ変調用符号器

Country Status (5)

Country Link
EP (1) EP0218918B1 (enExample)
JP (1) JPS6272230A (enExample)
AT (1) ATE48354T1 (enExample)
AU (1) AU567015B2 (enExample)
DE (1) DE3667232D1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1775097A1 (de) * 2005-10-17 2007-04-18 REMAK Maschinenbau GmbH Gerät zur Temperierung von Formwerkzeugen, beispielsweise von Spritzgießmaschinen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1085044A (en) * 1975-04-03 1980-09-02 Yukihiko Iijima Composite feedback predictive code communication system for a color tv signal including a carrier chrominance signal
WO1980000207A1 (en) * 1978-06-27 1980-02-07 Indep Broadcasting Authority Predictive differential pulse-code modulation apparatus
DE3232516A1 (de) * 1982-09-01 1984-03-01 Siemens AG, 1000 Berlin und 8000 München Schneller dpcm-kodierer
DE3333404A1 (de) * 1983-09-15 1985-04-04 Siemens AG, 1000 Berlin und 8000 München Verfahren und schaltungsanordnung zur verbesserung der bildqualitaet durch aktivitaetsgesteuerte dpcm-codierung
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

Also Published As

Publication number Publication date
JPH0156579B2 (enExample) 1989-11-30
ATE48354T1 (de) 1989-12-15
DE3667232D1 (de) 1990-01-04
EP0218918A1 (de) 1987-04-22
AU6301586A (en) 1987-06-11
EP0218918B1 (de) 1989-11-29
AU567015B2 (en) 1987-11-05

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