ATE453909T1 - Verfahren zum quantifizieren eines sprachcodierers mit ultraniedriger rate - Google Patents

Verfahren zum quantifizieren eines sprachcodierers mit ultraniedriger rate

Info

Publication number
ATE453909T1
ATE453909T1 AT05733605T AT05733605T ATE453909T1 AT E453909 T1 ATE453909 T1 AT E453909T1 AT 05733605 T AT05733605 T AT 05733605T AT 05733605 T AT05733605 T AT 05733605T AT E453909 T1 ATE453909 T1 AT E453909T1
Authority
AT
Austria
Prior art keywords
voicing
parameters
quantifying
ultra
low rate
Prior art date
Application number
AT05733605T
Other languages
English (en)
Inventor
Francois Capman
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
Application granted granted Critical
Publication of ATE453909T1 publication Critical patent/ATE453909T1/de

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/087Determination 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L2019/0001Codebooks
    • G10L2019/0004Design or structure of the codebook
    • G10L2019/0005Multi-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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
AT05733605T 2004-04-19 2005-04-14 Verfahren zum quantifizieren eines sprachcodierers mit ultraniedriger rate ATE453909T1 (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
ATE453909T1 true ATE453909T1 (de) 2010-01-15

Family

ID=34945858

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05733605T ATE453909T1 (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 (4)

* 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
NO2313887T3 (de) * 2008-07-10 2018-02-10
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
CN119400188B (zh) * 2024-10-25 2025-07-08 广东和音元视电子科技有限公司 一种无线音频数据传输、读取方法和音频播放设备

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
US20070219789A1 (en) 2007-09-20
EP1756806B1 (de) 2009-12-30
FR2869151B1 (fr) 2007-01-26
US7716045B2 (en) 2010-05-11
FR2869151A1 (fr) 2005-10-21
CA2567162C (fr) 2013-07-23
EP1756806A1 (de) 2007-02-28
WO2005114653A1 (fr) 2005-12-01
CA2567162A1 (fr) 2005-12-01
PL1756806T3 (pl) 2010-06-30
DE602005018637D1 (de) 2010-02-11
ES2338801T3 (es) 2010-05-12

Similar Documents

Publication Publication Date Title
CN1815558B (zh) 语音中非话音部分的低数据位速率编码
ATE310304T1 (de) Lpc-harmonischer sprachkodierer mit überrahmenformat
ATE368279T1 (de) Verfahren und vorrichtung zur quantisierung des verstärkungsfaktors in einem breitbandsprachkodierer mit variabler bitrate
DK1879179T3 (da) Fremgangsmåde og anordning til kodning af audiodata baseret på vektorkvantisering
CN101335000A (zh) 编码、解码的方法及装置
ATE344519T1 (de) Codebuchstruktur und suchverfahren für die sprachkodierung
EP1748425A3 (de) Halbrätiger Vocoder
CN103680509B (zh) 一种语音信号非连续传输及背景噪声生成方法
DE60012760D1 (de) Multimodaler sprachkodierer
ATE521961T1 (de) Verfahren und einrichtung zur sprachcodierung mit niedriger bitrate
CN112614495A (zh) 一种软件无线电多制式语音编解码器
ATE453909T1 (de) Verfahren zum quantifizieren eines sprachcodierers mit ultraniedriger rate
CN100489966C (zh) 合成分析语音编码器中用于进行语音编码的方法和装置
Gomez et al. Recognition of coded speech transmitted over wireless channels
CN102254562B (zh) 一种相邻高低速率编码模式间切换的变速率音频编码方法
CN1975861B (zh) 声码器基音周期参数抗信道误码方法
CN101266798B (zh) 一种在语音解码器中进行增益平滑的方法及装置
US8024187B2 (en) Pulse allocating method in voice coding
Garrido et al. Towards iLBC speech coding at lower rates through a new formulation of the start state search
CN100416652C (zh) 增强的amr编码器快速固定码本搜索方法
CN101192408A (zh) 选择导谱频率系数矢量量化的方法及装置
Kim et al. On a Reduction of Pitch Searching Time by Preprocessing in the CELP Vocoder
Cao et al. Research on order-variable code exited linear prediction speech coding method
TW200639801A (en) Low-complexity code excited linear prediction encoding
Gersho et al. Speech coding at 4800 bps for mobile satellite communications

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties