DE602005018637D1 - Verfahren zum quantifizieren eines sprachcodierers mit ultraniedriger rate - Google Patents

Verfahren zum quantifizieren eines sprachcodierers mit ultraniedriger rate

Info

Publication number
DE602005018637D1
DE602005018637D1 DE602005018637T DE602005018637T DE602005018637D1 DE 602005018637 D1 DE602005018637 D1 DE 602005018637D1 DE 602005018637 T DE602005018637 T DE 602005018637T DE 602005018637 T DE602005018637 T DE 602005018637T DE 602005018637 D1 DE602005018637 D1 DE 602005018637D1
Authority
DE
Germany
Prior art keywords
voicing
parameters
ultrane
codier
quantitating
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.)
Active
Application number
DE602005018637T
Other languages
English (en)
Inventor
Francois Capman
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.)
Thales SA
Original Assignee
Thales SA
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 Thales SA filed Critical Thales SA
Publication of DE602005018637D1 publication Critical patent/DE602005018637D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G10L19/087—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC
    • 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
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE602005018637T 2004-04-19 2005-04-14 Verfahren zum quantifizieren eines sprachcodierers mit ultraniedriger rate Active DE602005018637D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0404105A FR2869151B1 (fr) 2004-04-19 2004-04-19 Procede de quantification d'un codeur de parole a tres bas debit
PCT/EP2005/051661 WO2005114653A1 (fr) 2004-04-19 2005-04-14 Procede de quantification d'un codeur de parole a tres bas debit

Publications (1)

Publication Number Publication Date
DE602005018637D1 true DE602005018637D1 (de) 2010-02-11

Family

ID=34945858

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005018637T Active DE602005018637D1 (de) 2004-04-19 2005-04-14 Verfahren zum quantifizieren eines sprachcodierers mit ultraniedriger rate

Country Status (9)

Country Link
US (1) US7716045B2 (de)
EP (1) EP1756806B1 (de)
AT (1) ATE453909T1 (de)
CA (1) CA2567162C (de)
DE (1) DE602005018637D1 (de)
ES (1) ES2338801T3 (de)
FR (1) FR2869151B1 (de)
PL (1) PL1756806T3 (de)
WO (1) WO2005114653A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008092473A1 (en) * 2007-01-31 2008-08-07 Telecom Italia S.P.A. Customizable method and system for emotional recognition
US8712764B2 (en) * 2008-07-10 2014-04-29 Voiceage Corporation Device and method for quantizing and inverse quantizing LPC filters in a super-frame
CN114333862B (zh) * 2021-11-10 2024-05-03 腾讯科技（深圳）有限公司 音频编码方法、解码方法、装置、设备、存储介质及产品

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995010760A2 (en) * 1993-10-08 1995-04-20 Comsat Corporation Improved low bit rate vocoders and methods of operation therefor
US6263307B1 (en) * 1995-04-19 2001-07-17 Texas Instruments Incorporated Adaptive weiner filtering using line spectral frequencies
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
US5806027A (en) * 1996-09-19 1998-09-08 Texas Instruments Incorporated Variable framerate parameter encoding
US6081776A (en) * 1998-07-13 2000-06-27 Lockheed Martin Corp. Speech coding system and method including adaptive finite impulse response filter
US6377915B1 (en) * 1999-03-17 2002-04-23 Yrp Advanced Mobile Communication Systems Research Laboratories Co., Ltd. Speech decoding using mix ratio table
US7315815B1 (en) * 1999-09-22 2008-01-01 Microsoft Corporation LPC-harmonic vocoder with superframe structure
US6475145B1 (en) * 2000-05-17 2002-11-05 Baymar, Inc. Method and apparatus for detection of acid reflux

Also Published As

Publication number Publication date
EP1756806B1 (de) 2009-12-30
FR2869151B1 (fr) 2007-01-26
US7716045B2 (en) 2010-05-11
US20070219789A1 (en) 2007-09-20
ES2338801T3 (es) 2010-05-12
PL1756806T3 (pl) 2010-06-30
WO2005114653A1 (fr) 2005-12-01
ATE453909T1 (de) 2010-01-15
CA2567162A1 (fr) 2005-12-01
EP1756806A1 (de) 2007-02-28
CA2567162C (fr) 2013-07-23
FR2869151A1 (fr) 2005-10-21

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