FR2796192B1 - Procedes et dispositifs de codage et de decodage audio - Google Patents

Procedes et dispositifs de codage et de decodage audio

Info

Publication number
FR2796192B1
FR2796192B1 FR9908636A FR9908636A FR2796192B1 FR 2796192 B1 FR2796192 B1 FR 2796192B1 FR 9908636 A FR9908636 A FR 9908636A FR 9908636 A FR9908636 A FR 9908636A FR 2796192 B1 FR2796192 B1 FR 2796192B1
Authority
FR
France
Prior art keywords
devices
audio encoding
decoding methods
decoding
methods
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.)
Expired - Fee Related
Application number
FR9908636A
Other languages
English (en)
Other versions
FR2796192A1 (fr
Inventor
Francois Capman
Carlo Murgia
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.)
Nortel Networks France SAS
Original Assignee
Matra Nortel Communications SAS
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 Matra Nortel Communications SAS filed Critical Matra Nortel Communications SAS
Priority to FR9908636A priority Critical patent/FR2796192B1/fr
Priority to EP00949622A priority patent/EP1192620A1/fr
Priority to PCT/FR2000/001907 priority patent/WO2001003119A1/fr
Priority to AU62921/00A priority patent/AU6292100A/en
Publication of FR2796192A1 publication Critical patent/FR2796192A1/fr
Application granted granted Critical
Publication of FR2796192B1 publication Critical patent/FR2796192B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR9908636A 1999-07-05 1999-07-05 Procedes et dispositifs de codage et de decodage audio Expired - Fee Related FR2796192B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR9908636A FR2796192B1 (fr) 1999-07-05 1999-07-05 Procedes et dispositifs de codage et de decodage audio
EP00949622A EP1192620A1 (fr) 1999-07-05 2000-07-04 Codage et decodage audio incluant des composantes non harmoniques du signal
PCT/FR2000/001907 WO2001003119A1 (fr) 1999-07-05 2000-07-04 Codage et decodage audio incluant des composantes non harmoniques du signal
AU62921/00A AU6292100A (en) 1999-07-05 2000-07-04 Audio encoding and decoding including non harmonic components of the audio signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9908636A FR2796192B1 (fr) 1999-07-05 1999-07-05 Procedes et dispositifs de codage et de decodage audio

Publications (2)

Publication Number Publication Date
FR2796192A1 FR2796192A1 (fr) 2001-01-12
FR2796192B1 true FR2796192B1 (fr) 2001-10-05

Family

ID=9547705

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9908636A Expired - Fee Related FR2796192B1 (fr) 1999-07-05 1999-07-05 Procedes et dispositifs de codage et de decodage audio

Country Status (4)

Country Link
EP (1) EP1192620A1 (fr)
AU (1) AU6292100A (fr)
FR (1) FR2796192B1 (fr)
WO (1) WO2001003119A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU696092B2 (en) * 1995-01-12 1998-09-03 Digital Voice Systems, Inc. Estimation of excitation parameters
US5754974A (en) * 1995-02-22 1998-05-19 Digital Voice Systems, Inc Spectral magnitude representation for multi-band excitation speech coders
WO1999010719A1 (fr) * 1997-08-29 1999-03-04 The Regents Of The University Of California Procede et appareil de codage hybride de la parole a 4kbps

Also Published As

Publication number Publication date
EP1192620A1 (fr) 2002-04-03
WO2001003119A1 (fr) 2001-01-11
AU6292100A (en) 2001-01-22
FR2796192A1 (fr) 2001-01-12

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Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
ST Notification of lapse

Effective date: 20070330