JPS5972244A - 適応予測符号化方式 - Google Patents

適応予測符号化方式

Info

Publication number
JPS5972244A
JPS5972244A JP18235482A JP18235482A JPS5972244A JP S5972244 A JPS5972244 A JP S5972244A JP 18235482 A JP18235482 A JP 18235482A JP 18235482 A JP18235482 A JP 18235482A JP S5972244 A JPS5972244 A JP S5972244A
Authority
JP
Japan
Prior art keywords
signal
residual
residual signal
quantization
quantizer
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
JP18235482A
Other languages
English (en)
Japanese (ja)
Other versions
JPH038136B2 (enrdf_load_stackoverflow
Inventor
Masaaki Yoda
雅彰 誉田
Nobuhiko Kitawaki
北脇　信彦
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP18235482A priority Critical patent/JPS5972244A/ja
Publication of JPS5972244A publication Critical patent/JPS5972244A/ja
Publication of JPH038136B2 publication Critical patent/JPH038136B2/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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
JP18235482A 1982-10-18 1982-10-18 適応予測符号化方式 Granted JPS5972244A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18235482A JPS5972244A (ja) 1982-10-18 1982-10-18 適応予測符号化方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18235482A JPS5972244A (ja) 1982-10-18 1982-10-18 適応予測符号化方式

Publications (2)

Publication Number Publication Date
JPS5972244A true JPS5972244A (ja) 1984-04-24
JPH038136B2 JPH038136B2 (enrdf_load_stackoverflow) 1991-02-05

Family

ID=16116840

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18235482A Granted JPS5972244A (ja) 1982-10-18 1982-10-18 適応予測符号化方式

Country Status (1)

Country Link
JP (1) JPS5972244A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6251828A (ja) * 1985-08-30 1987-03-06 Nec Corp 音声符号化器
JPS6429121A (en) * 1987-07-24 1989-01-31 Nec Corp Method and apparatus for quantization

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5283014A (en) * 1975-12-29 1977-07-11 Matsushita Electric Ind Co Ltd Rectangular coordinates conversion coding
JPS5454507A (en) * 1977-10-11 1979-04-28 Nippon Telegr & Teleph Corp <Ntt> Coding processing system of adaptive expectancy
JPS56129444A (en) * 1980-03-17 1981-10-09 Nec Corp Adaptive type differential pcm system and its device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5283014A (en) * 1975-12-29 1977-07-11 Matsushita Electric Ind Co Ltd Rectangular coordinates conversion coding
JPS5454507A (en) * 1977-10-11 1979-04-28 Nippon Telegr & Teleph Corp <Ntt> Coding processing system of adaptive expectancy
JPS56129444A (en) * 1980-03-17 1981-10-09 Nec Corp Adaptive type differential pcm system and its device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6251828A (ja) * 1985-08-30 1987-03-06 Nec Corp 音声符号化器
JPS6429121A (en) * 1987-07-24 1989-01-31 Nec Corp Method and apparatus for quantization

Also Published As

Publication number Publication date
JPH038136B2 (enrdf_load_stackoverflow) 1991-02-05

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