JPS59107630A - Ａｄｐｃｍ復号回路 - Google Patents

Ａｄｐｃｍ復号回路

Info

Publication number
JPS59107630A
JPS59107630A JP21671082A JP21671082A JPS59107630A JP S59107630 A JPS59107630 A JP S59107630A JP 21671082 A JP21671082 A JP 21671082A JP 21671082 A JP21671082 A JP 21671082A JP S59107630 A JPS59107630 A JP S59107630A
Authority
JP
Japan
Prior art keywords
signal
circuit
pcm
adpcm
adaptive
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
JP21671082A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6356727B2 (enrdf_load_stackoverflow
Inventor
Takao Nishitani
隆夫 西谷
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 JP21671082A priority Critical patent/JPS59107630A/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 JPS59107630A publication Critical patent/JPS59107630A/ja
Publication of JPS6356727B2 publication Critical patent/JPS6356727B2/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)
JP21671082A 1982-12-10 1982-12-10 Ａｄｐｃｍ復号回路 Granted JPS59107630A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP21671082A JPS59107630A (ja) 1982-12-10 1982-12-10 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
JP21671082A JPS59107630A (ja) 1982-12-10 1982-12-10 Ａｄｐｃｍ復号回路

Publications (2)

Publication Number Publication Date
JPS59107630A true JPS59107630A (ja) 1984-06-21
JPS6356727B2 JPS6356727B2 (enrdf_load_stackoverflow) 1988-11-09

Family

ID=16692702

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21671082A Granted JPS59107630A (ja) 1982-12-10 1982-12-10 Ａｄｐｃｍ復号回路

Country Status (1)

Country Link
JP (1) JPS59107630A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59103423A (ja) * 1982-12-06 1984-06-14 Nippon Telegr & Teleph Corp <Ntt> Ａｄｐｃｍ−ｐｃｍ変換装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59103423A (ja) * 1982-12-06 1984-06-14 Nippon Telegr & Teleph Corp <Ntt> Ａｄｐｃｍ−ｐｃｍ変換装置

Also Published As

Publication number Publication date
JPS6356727B2 (enrdf_load_stackoverflow) 1988-11-09

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