DK311386D0 - Digitalt kodekredsloeb - Google Patents

Digitalt kodekredsloeb

Info

Publication number
DK311386D0
DK311386D0 DK311386A DK311386A DK311386D0 DK 311386 D0 DK311386 D0 DK 311386D0 DK 311386 A DK311386 A DK 311386A DK 311386 A DK311386 A DK 311386A DK 311386 D0 DK311386 D0 DK 311386D0
Authority
DK
Denmark
Prior art keywords
digital code
code circuit
circuit
digital
code
Prior art date
Application number
DK311386A
Other languages
Danish (da)
English (en)
Other versions
DK311386A (da
Inventor
Philip John Wilson
Original Assignee
Ma Com Gov Systems
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 Ma Com Gov Systems filed Critical Ma Com Gov Systems
Publication of DK311386A publication Critical patent/DK311386A/da
Publication of DK311386D0 publication Critical patent/DK311386D0/da

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Telephone Function (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Silicon Polymers (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DK311386A 1984-11-02 1986-06-30 Digitalt kodekredsloeb DK311386D0 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66744684A 1984-11-02 1984-11-02
PCT/US1985/002168 WO1986002726A1 (en) 1984-11-01 1985-11-01 Relp vocoder implemented in digital signal processors

Publications (2)

Publication Number Publication Date
DK311386A DK311386A (da) 1986-06-30
DK311386D0 true DK311386D0 (da) 1986-06-30

Family

ID=24678262

Family Applications (1)

Application Number Title Priority Date Filing Date
DK311386A DK311386D0 (da) 1984-11-02 1986-06-30 Digitalt kodekredsloeb

Country Status (7)

Country Link
EP (1) EP0203940A4 (de)
JP (1) JPS63500896A (de)
AU (1) AU577641B2 (de)
CA (1) CA1240396A (de)
DK (1) DK311386D0 (de)
NO (1) NO862602L (de)
WO (1) WO1986002726A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4675863A (en) * 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
JP2626223B2 (ja) * 1990-09-26 1997-07-02 日本電気株式会社 音声符号化装置
US6006174A (en) 1990-10-03 1999-12-21 Interdigital Technology Coporation Multiple impulse excitation speech encoder and decoder
US5235670A (en) * 1990-10-03 1993-08-10 Interdigital Patents Corporation Multiple impulse excitation speech encoder and decoder
ES2143396B1 (es) * 1998-02-04 2000-12-16 Univ Malaga Circuito integrado monolitico codec-encriptador de baja tasa para señales de voz.
US7907977B2 (en) 2007-10-02 2011-03-15 Agere Systems Inc. Echo canceller with correlation using pre-whitened data values received by downlink codec

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3431362A (en) * 1966-04-22 1969-03-04 Bell Telephone Labor Inc Voice-excited,bandwidth reduction system employing pitch frequency pulses generated by unencoded baseband signal
US3750024A (en) * 1971-06-16 1973-07-31 Itt Corp Nutley Narrow band digital speech communication system
GB2102254B (en) * 1981-05-11 1985-08-07 Kokusai Denshin Denwa Co Ltd A speech analysis-synthesis system

Also Published As

Publication number Publication date
CA1240396A (en) 1988-08-09
AU5019885A (en) 1986-05-15
EP0203940A1 (de) 1986-12-10
WO1986002726A1 (en) 1986-05-09
DK311386A (da) 1986-06-30
NO862602L (no) 1986-09-01
EP0203940A4 (de) 1987-04-07
JPS63500896A (ja) 1988-03-31
AU577641B2 (en) 1988-09-29
NO862602D0 (no) 1986-06-27

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Legal Events

Date Code Title Description
A0 Application filed
AHB Application shelved due to non-payment