ATE442646T1 - Optimiertes mehrfach-codierungsverfahren - Google Patents

Optimiertes mehrfach-codierungsverfahren

Info

Publication number
ATE442646T1
ATE442646T1 AT04805538T AT04805538T ATE442646T1 AT E442646 T1 ATE442646 T1 AT E442646T1 AT 04805538 T AT04805538 T AT 04805538T AT 04805538 T AT04805538 T AT 04805538T AT E442646 T1 ATE442646 T1 AT E442646T1
Authority
AT
Austria
Prior art keywords
encoders
functions
multiple coding
carried out
functional blocks
Prior art date
Application number
AT04805538T
Other languages
English (en)
Inventor
David Virette
Claude Lamblin
Touimi Abdellatif Benjelloun
Original Assignee
France Telecom
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 France Telecom filed Critical France Telecom
Application granted granted Critical
Publication of ATE442646T1 publication Critical patent/ATE442646T1/de

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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • G10L19/002—Dynamic bit allocation
    • 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
    • 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
    • G10L19/0212—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 using orthogonal transformation
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Amplifiers (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Separation By Low-Temperature Treatments (AREA)
AT04805538T 2003-12-10 2004-11-24 Optimiertes mehrfach-codierungsverfahren ATE442646T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0314490A FR2867649A1 (fr) 2003-12-10 2003-12-10 Procede de codage multiple optimise
PCT/FR2004/003009 WO2005066938A1 (fr) 2003-12-10 2004-11-24 Procede de codage multiple optimise

Publications (1)

Publication Number Publication Date
ATE442646T1 true ATE442646T1 (de) 2009-09-15

Family

ID=34746281

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04805538T ATE442646T1 (de) 2003-12-10 2004-11-24 Optimiertes mehrfach-codierungsverfahren

Country Status (12)

Country Link
US (1) US7792679B2 (de)
EP (1) EP1692689B1 (de)
JP (1) JP4879748B2 (de)
KR (1) KR101175651B1 (de)
CN (1) CN1890714B (de)
AT (1) ATE442646T1 (de)
DE (1) DE602004023115D1 (de)
ES (1) ES2333020T3 (de)
FR (1) FR2867649A1 (de)
PL (1) PL1692689T3 (de)
WO (1) WO2005066938A1 (de)
ZA (1) ZA200604623B (de)

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Also Published As

Publication number Publication date
US7792679B2 (en) 2010-09-07
DE602004023115D1 (de) 2009-10-22
ES2333020T3 (es) 2010-02-16
EP1692689B1 (de) 2009-09-09
CN1890714B (zh) 2010-12-29
KR101175651B1 (ko) 2012-08-21
FR2867649A1 (fr) 2005-09-16
KR20060131782A (ko) 2006-12-20
WO2005066938A1 (fr) 2005-07-21
JP4879748B2 (ja) 2012-02-22
PL1692689T3 (pl) 2010-02-26
ZA200604623B (en) 2007-11-28
JP2007515677A (ja) 2007-06-14
CN1890714A (zh) 2007-01-03
EP1692689A1 (de) 2006-08-23
US20070150271A1 (en) 2007-06-28

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