JPS59153326A - Ａｄｐｃｍ復号回路 - Google Patents

Ａｄｐｃｍ復号回路

Info

Publication number
JPS59153326A
JPS59153326A JP2717983A JP2717983A JPS59153326A JP S59153326 A JPS59153326 A JP S59153326A JP 2717983 A JP2717983 A JP 2717983A JP 2717983 A JP2717983 A JP 2717983A JP S59153326 A JPS59153326 A JP S59153326A
Authority
JP
Japan
Prior art keywords
signal
representative
circuit
adaptive
pcm
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
JP2717983A
Other languages
English (en)
Japanese (ja)
Other versions
JPH043695B2 (enrdf_load_stackoverflow
Inventor
Takao Nishitani
隆夫 西谷
Tadaharu Kato
忠晴 加藤
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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
Application filed by NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP2717983A priority Critical patent/JPS59153326A/ja
Priority to US06/558,236 priority patent/US4571737A/en
Priority to AU22175/83A priority patent/AU556155B2/en
Priority to CA000442934A priority patent/CA1219373A/en
Priority to FR8319785A priority patent/FR2542147B1/fr
Publication of JPS59153326A publication Critical patent/JPS59153326A/ja
Publication of JPH043695B2 publication Critical patent/JPH043695B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/04—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM]
    • H03M3/042—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM] with adaptable step size, e.g. adaptive differential pulse code modulation [ADPCM]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
JP2717983A 1982-12-10 1983-02-21 Ａｄｐｃｍ復号回路 Granted JPS59153326A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2717983A JPS59153326A (ja) 1983-02-21 1983-02-21 Ａｄｐｃｍ復号回路
US06/558,236 US4571737A (en) 1982-12-10 1983-12-05 Adaptive differential pulse code modulation decoding circuit
AU22175/83A AU556155B2 (en) 1982-12-10 1983-12-07 Ad pcm decoder
CA000442934A CA1219373A (en) 1982-12-10 1983-12-09 Adaptive differential pulse code modulation decoding circuit
FR8319785A FR2542147B1 (fr) 1982-12-10 1983-12-09 Circuit de decodage par impulsions codees differentielles adaptative

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2717983A JPS59153326A (ja) 1983-02-21 1983-02-21 Ａｄｐｃｍ復号回路

Publications (2)

Publication Number Publication Date
JPS59153326A true JPS59153326A (ja) 1984-09-01
JPH043695B2 JPH043695B2 (enrdf_load_stackoverflow) 1992-01-24

Family

ID=12213844

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2717983A Granted JPS59153326A (ja) 1982-12-10 1983-02-21 Ａｄｐｃｍ復号回路

Country Status (1)

Country Link
JP (1) JPS59153326A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH043695B2 (enrdf_load_stackoverflow) 1992-01-24

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