JPS55166338A - Pcm coding device - Google Patents

Pcm coding device

Info

Publication number
JPS55166338A
JPS55166338A JP7412379A JP7412379A JPS55166338A JP S55166338 A JPS55166338 A JP S55166338A JP 7412379 A JP7412379 A JP 7412379A JP 7412379 A JP7412379 A JP 7412379A JP S55166338 A JPS55166338 A JP S55166338A
Authority
JP
Japan
Prior art keywords
subtractor
noise
quantizer
filters
filter
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
JP7412379A
Other languages
English (en)
Japanese (ja)
Other versions
JPS625378B2 (enrdf_load_stackoverflow
Inventor
Taku Arazeki
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 JP7412379A priority Critical patent/JPS55166338A/ja
Priority to US06/156,990 priority patent/US4354273A/en
Priority to CA000353752A priority patent/CA1149289A/en
Publication of JPS55166338A publication Critical patent/JPS55166338A/ja
Publication of JPS625378B2 publication Critical patent/JPS625378B2/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)
JP7412379A 1979-06-12 1979-06-12 Pcm coding device Granted JPS55166338A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP7412379A JPS55166338A (en) 1979-06-12 1979-06-12 Pcm coding device
US06/156,990 US4354273A (en) 1979-06-12 1980-06-09 ADPCM System for speech or like signals
CA000353752A CA1149289A (en) 1979-06-12 1980-06-11 Adpcm system for speech or like signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7412379A JPS55166338A (en) 1979-06-12 1979-06-12 Pcm coding device

Publications (2)

Publication Number Publication Date
JPS55166338A true JPS55166338A (en) 1980-12-25
JPS625378B2 JPS625378B2 (enrdf_load_stackoverflow) 1987-02-04

Family

ID=13538105

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7412379A Granted JPS55166338A (en) 1979-06-12 1979-06-12 Pcm coding device

Country Status (1)

Country Link
JP (1) JPS55166338A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5995726A (ja) * 1982-10-27 1984-06-01 ジ−メンス・アクチエンゲゼルシヤフト 高速ｄｐｃｍ符号器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5995726A (ja) * 1982-10-27 1984-06-01 ジ−メンス・アクチエンゲゼルシヤフト 高速ｄｐｃｍ符号器

Also Published As

Publication number Publication date
JPS625378B2 (enrdf_load_stackoverflow) 1987-02-04

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