FR2796194B1 - Procedes et dispositifs d'analyse et de synthese audio - Google Patents

Procedes et dispositifs d'analyse et de synthese audio

Info

Publication number
FR2796194B1
FR2796194B1 FR9908638A FR9908638A FR2796194B1 FR 2796194 B1 FR2796194 B1 FR 2796194B1 FR 9908638 A FR9908638 A FR 9908638A FR 9908638 A FR9908638 A FR 9908638A FR 2796194 B1 FR2796194 B1 FR 2796194B1
Authority
FR
France
Prior art keywords
samples
audio signal
frame
signal
devices
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
FR9908638A
Other languages
English (en)
Other versions
FR2796194A1 (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 FR9908638A priority Critical patent/FR2796194B1/fr
Priority to AT00953223T priority patent/ATE316284T1/de
Priority to AU65751/00A priority patent/AU6575100A/en
Priority to EP00953223A priority patent/EP1194923B1/fr
Priority to PCT/FR2000/001904 priority patent/WO2001003116A1/fr
Priority to DE60025615T priority patent/DE60025615D1/de
Publication of FR2796194A1 publication Critical patent/FR2796194A1/fr
Application granted granted Critical
Publication of FR2796194B1 publication Critical patent/FR2796194B1/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
    • 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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FR9908638A 1999-07-05 1999-07-05 Procedes et dispositifs d'analyse et de synthese audio Expired - Fee Related FR2796194B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR9908638A FR2796194B1 (fr) 1999-07-05 1999-07-05 Procedes et dispositifs d'analyse et de synthese audio
AT00953223T ATE316284T1 (de) 1999-07-05 2000-07-04 Verfahren und system für audio analyse und synthese
AU65751/00A AU6575100A (en) 1999-07-05 2000-07-04 Methods and device for audio analysis and synthesis
EP00953223A EP1194923B1 (fr) 1999-07-05 2000-07-04 Procedes et dispositifs d'analyse et de synthese audio
PCT/FR2000/001904 WO2001003116A1 (fr) 1999-07-05 2000-07-04 Procedes et dispositifs d'analyse et de synthese audio
DE60025615T DE60025615D1 (de) 1999-07-05 2000-07-04 Verfahren und system für audio analyse und synthese

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9908638A FR2796194B1 (fr) 1999-07-05 1999-07-05 Procedes et dispositifs d'analyse et de synthese audio

Publications (2)

Publication Number Publication Date
FR2796194A1 FR2796194A1 (fr) 2001-01-12
FR2796194B1 true FR2796194B1 (fr) 2002-05-03

Family

ID=9547707

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9908638A Expired - Fee Related FR2796194B1 (fr) 1999-07-05 1999-07-05 Procedes et dispositifs d'analyse et de synthese audio

Country Status (6)

Country Link
EP (1) EP1194923B1 (fr)
AT (1) ATE316284T1 (fr)
AU (1) AU6575100A (fr)
DE (1) DE60025615D1 (fr)
FR (1) FR2796194B1 (fr)
WO (1) WO2001003116A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5226084A (en) * 1990-12-05 1993-07-06 Digital Voice Systems, Inc. Methods for speech quantization and error correction
US5765127A (en) * 1992-03-18 1998-06-09 Sony Corp High efficiency encoding method
JP3152109B2 (ja) * 1995-05-30 2001-04-03 日本ビクター株式会社 オーディオ信号の圧縮伸張方法

Also Published As

Publication number Publication date
DE60025615D1 (de) 2006-04-06
EP1194923B1 (fr) 2006-01-18
EP1194923A1 (fr) 2002-04-10
WO2001003116A1 (fr) 2001-01-11
FR2796194A1 (fr) 2001-01-12
AU6575100A (en) 2001-01-22
ATE316284T1 (de) 2006-02-15

Similar Documents

Publication Publication Date Title
CN109584903A (zh) 一种基于深度学习的多人语音分离方法
EP1108994A3 (fr) Procédé et dispositif pour estimer simultanément les directions respectives d'une pluralité de sources sonores et pour détecter les niveaux sonores individuels des sources sonores respectives en mouvement
HK1245556A1 (zh) 基於複指數調製的濾波器組的高級處理和自適應時間信號傳送方法
CN109065067A (zh) 一种基于神经网络模型的会议终端语音降噪方法
GB2440384A (en) Method,system and program product for measuring audio video synchronization using lip and teeth characteristics
CN101010725A (zh) 多信道信号编码装置以及多信道信号解码装置
CN1443349A (zh) 从电子信号中去除噪声的方法和仪器
EP2169670A3 (fr) Appareil pour traiter un signal audio et son procédé
WO2003060154A3 (fr) Traitement de signaux electrochimiques et appareil a cet effet
AU2003296976A1 (en) System and method for speech processing using independent component analysis under stability constraints
US20020016698A1 (en) Device and method for audio frequency range expansion
CN100405460C (zh) 音频信号编码
CN111312275B (zh) 一种基于子带分解的在线声源分离增强系统
Roman et al. Pitch-based monaural segregation of reverberant speech
TW326070B (en) The estimation method of the impulse gain for coding vocoder
Czyzewski Automatic identification of sound source position employing neural networks and rough sets
Diener et al. An initial investigation into the real-time conversion of facial surface EMG signals to audible speech
Gath et al. Analysis of vocal tract parameters in Parkinsonian speech
FR2796194B1 (fr) Procedes et dispositifs d'analyse et de synthese audio
ATE552780T1 (de) Verfahren, vorrichtung und system für die kardio- akustische signalanalyse
AU2003271549A1 (en) A method for arbitrary two-dimensional scaling of phonocardiographic signals
JPH08305396A (ja) 音声帯域拡大装置および音声帯域拡大方法
GB2438691A (en) Method, system, and program product for measuring audio video synchronization independent of speaker characteristics
Asano et al. Evaluation and real-time implementation of blind source separation system using time-delayed decorrelation
WO2002049001A1 (fr) Dispositif d'extraction d'informations

Legal Events

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

Effective date: 20060331