ATE181170T1 - Verfahren zur sprachkodierung mittels analyse durch synthese - Google Patents

Verfahren zur sprachkodierung mittels analyse durch synthese

Info

Publication number
ATE181170T1
ATE181170T1 AT96901008T AT96901008T ATE181170T1 AT E181170 T1 ATE181170 T1 AT E181170T1 AT 96901008 T AT96901008 T AT 96901008T AT 96901008 T AT96901008 T AT 96901008T AT E181170 T1 ATE181170 T1 AT E181170T1
Authority
AT
Austria
Prior art keywords
frames
term
pct
long
analysis
Prior art date
Application number
AT96901008T
Other languages
English (en)
Inventor
William Navarro
Michel Mauc
Original Assignee
Matra Nortel Communications
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 filed Critical Matra Nortel Communications
Application granted granted Critical
Publication of ATE181170T1 publication Critical patent/ATE181170T1/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
    • G10L19/09—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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals

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)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
AT96901008T 1995-01-06 1996-01-03 Verfahren zur sprachkodierung mittels analyse durch synthese ATE181170T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9500134A FR2729246A1 (fr) 1995-01-06 1995-01-06 Procede de codage de parole a analyse par synthese

Publications (1)

Publication Number Publication Date
ATE181170T1 true ATE181170T1 (de) 1999-06-15

Family

ID=9474931

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96901008T ATE181170T1 (de) 1995-01-06 1996-01-03 Verfahren zur sprachkodierung mittels analyse durch synthese

Country Status (9)

Country Link
US (1) US5974377A (de)
EP (1) EP0801788B1 (de)
CN (1) CN1145143C (de)
AT (1) ATE181170T1 (de)
AU (1) AU704229B2 (de)
CA (1) CA2209384C (de)
DE (1) DE69602822T2 (de)
FR (1) FR2729246A1 (de)
WO (1) WO1996021218A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6226604B1 (en) * 1996-08-02 2001-05-01 Matsushita Electric Industrial Co., Ltd. Voice encoder, voice decoder, recording medium on which program for realizing voice encoding/decoding is recorded and mobile communication apparatus
JP3166697B2 (ja) * 1998-01-14 2001-05-14 日本電気株式会社 音声符号化・復号装置及びシステム
US6192335B1 (en) * 1998-09-01 2001-02-20 Telefonaktieboiaget Lm Ericsson (Publ) Adaptive combining of multi-mode coding for voiced speech and noise-like signals
FI116992B (fi) * 1999-07-05 2006-04-28 Nokia Corp Menetelmät, järjestelmä ja laitteet audiosignaalin koodauksen ja siirron tehostamiseksi
US7272553B1 (en) * 1999-09-08 2007-09-18 8X8, Inc. Varying pulse amplitude multi-pulse analysis speech processor and method
JP3372908B2 (ja) * 1999-09-17 2003-02-04 エヌイーシーマイクロシステム株式会社 マルチパルス探索処理方法と音声符号化装置
KR100324204B1 (ko) * 1999-12-24 2002-02-16 오길록 예측분할벡터양자화 및 예측분할행렬양자화 방식에 의한선스펙트럼쌍 양자화기의 고속탐색방법
US6965640B2 (en) * 2001-08-08 2005-11-15 Octasic Inc. Method and apparatus for generating a set of filter coefficients providing adaptive noise reduction
US6957240B2 (en) * 2001-08-08 2005-10-18 Octasic Inc. Method and apparatus for providing an error characterization estimate of an impulse response derived using least squares
US6970896B2 (en) 2001-08-08 2005-11-29 Octasic Inc. Method and apparatus for generating a set of filter coefficients
US6999509B2 (en) * 2001-08-08 2006-02-14 Octasic Inc. Method and apparatus for generating a set of filter coefficients for a time updated adaptive filter
CA2365203A1 (en) * 2001-12-14 2003-06-14 Voiceage Corporation A signal modification method for efficient coding of speech signals
WO2005031704A1 (en) * 2003-09-29 2005-04-07 Koninklijke Philips Electronics N.V. Encoding audio signals
US7792670B2 (en) * 2003-12-19 2010-09-07 Motorola, Inc. Method and apparatus for speech coding
US8329884B2 (en) 2004-12-17 2012-12-11 Roche Molecular Systems, Inc. Reagents and methods for detecting Neisseria gonorrhoeae
CN101320565B (zh) * 2007-06-08 2011-05-11 华为技术有限公司 感知加权滤波方法及感知加权滤波器
US9626982B2 (en) * 2011-02-15 2017-04-18 Voiceage Corporation Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a CELP codec
FR2987931A1 (fr) * 2012-03-12 2013-09-13 France Telecom Modification des caracteristiques spectrales d'un filtre de prediction lineaire d'un signal audionumerique represente par ses coefficients lsf ou isf.
AU2014283198B2 (en) 2013-06-21 2016-10-20 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS application
CN105096958B (zh) * 2014-04-29 2017-04-12 华为技术有限公司 音频编码方法及相关装置
CN114036779B (zh) * 2021-11-30 2025-04-01 南方电网科学研究院有限责任公司 一种电网多重时间区间同步仿真方法、装置、介质及设备

Family Cites Families (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8302985A (nl) * 1983-08-26 1985-03-18 Philips Nv Multipulse excitatie lineair predictieve spraakcodeerder.
CA1223365A (en) * 1984-02-02 1987-06-23 Shigeru Ono Method and apparatus for speech coding
NL8500843A (nl) * 1985-03-22 1986-10-16 Koninkl Philips Electronics Nv Multipuls-excitatie lineair-predictieve spraakcoder.
US4868867A (en) * 1987-04-06 1989-09-19 Voicecraft Inc. Vector excitation speech or audio coder for transmission or storage
US4831624A (en) * 1987-06-04 1989-05-16 Motorola, Inc. Error detection method for sub-band coding
US4802171A (en) * 1987-06-04 1989-01-31 Motorola, Inc. Method for error correction in digitally encoded speech
CA1337217C (en) * 1987-08-28 1995-10-03 Daniel Kenneth Freeman Speech coding
US5359696A (en) * 1988-06-28 1994-10-25 Motorola Inc. Digital speech coder having improved sub-sample resolution long-term predictor
SE463691B (sv) * 1989-05-11 1991-01-07 Ericsson Telefon Ab L M Foerfarande att utplacera excitationspulser foer en lineaerprediktiv kodare (lpc) som arbetar enligt multipulsprincipen
US5060269A (en) * 1989-05-18 1991-10-22 General Electric Company Hybrid switched multi-pulse/stochastic speech coding technique
US5097508A (en) * 1989-08-31 1992-03-17 Codex Corporation Digital speech coder having improved long term lag parameter determination
DE69033510T3 (de) * 1989-09-01 2007-06-06 Motorola, Inc., Schaumburg Numerischer sprachcodierer mit verbesserter langzeitvorhersage durch subabtastauflösung
ES2131498T3 (es) * 1989-10-17 1999-08-01 Motorola Inc Decodificador digital de voz que tiene un postfiltro con distorsion espectral reducida.
US5073940A (en) * 1989-11-24 1991-12-17 General Electric Company Method for protecting multi-pulse coders from fading and random pattern bit errors
US5307441A (en) * 1989-11-29 1994-04-26 Comsat Corporation Wear-toll quality 4.8 kbps speech codec
US5097507A (en) * 1989-12-22 1992-03-17 General Electric Company Fading bit error protection for digital cellular multi-pulse speech coder
US5265219A (en) * 1990-06-07 1993-11-23 Motorola, Inc. Speech encoder using a soft interpolation decision for spectral parameters
JPH04264597A (ja) * 1991-02-20 1992-09-21 Fujitsu Ltd 音声符号化装置および音声復号装置
FI98104C (fi) * 1991-05-20 1997-04-10 Nokia Mobile Phones Ltd Menetelmä herätevektorin generoimiseksi ja digitaalinen puhekooderi
DE69233794D1 (de) * 1991-06-11 2010-09-23 Qualcomm Inc Vocoder mit veränderlicher Bitrate
DE9218980U1 (de) * 1991-09-05 1996-08-22 Motorola Inc., Schaumburg, Ill. Fehlerschutz für Mehrmoden-Sprachcoder
US5253269A (en) * 1991-09-05 1993-10-12 Motorola, Inc. Delta-coded lag information for use in a speech coder
TW224191B (de) * 1992-01-28 1994-05-21 Qualcomm Inc
US5495555A (en) * 1992-06-01 1996-02-27 Hughes Aircraft Company High quality low bit rate celp-based speech codec
US5317595A (en) * 1992-06-30 1994-05-31 Nokia Mobile Phones Ltd. Rapidly adaptable channel equalizer
US5717824A (en) * 1992-08-07 1998-02-10 Pacific Communication Sciences, Inc. Adaptive speech coder having code excited linear predictor with multiple codebook searches
FI95086C (fi) * 1992-11-26 1995-12-11 Nokia Mobile Phones Ltd Menetelmä puhesignaalin tehokkaaksi koodaamiseksi
FR2702590B1 (fr) * 1993-03-12 1995-04-28 Dominique Massaloux Dispositif de codage et de décodage numériques de la parole, procédé d'exploration d'un dictionnaire pseudo-logarithmique de délais LTP, et procédé d'analyse LTP.
IT1264766B1 (it) * 1993-04-09 1996-10-04 Sip Codificatore della voce utilizzante tecniche di analisi con un'eccitazione a impulsi.
IT1270438B (it) * 1993-06-10 1997-05-05 Sip Procedimento e dispositivo per la determinazione del periodo del tono fondamentale e la classificazione del segnale vocale in codificatori numerici della voce
US5784532A (en) * 1994-02-16 1998-07-21 Qualcomm Incorporated Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system
US5751903A (en) * 1994-12-19 1998-05-12 Hughes Electronics Low rate multi-mode CELP codec that encodes line SPECTRAL frequencies utilizing an offset
FR2729245B1 (fr) * 1995-01-06 1997-04-11 Lamblin Claude Procede de codage de parole a prediction lineaire et excitation par codes algebriques
FR2734389B1 (fr) * 1995-05-17 1997-07-18 Proust Stephane Procede d'adaptation du niveau de masquage du bruit dans un codeur de parole a analyse par synthese utilisant un filtre de ponderation perceptuelle a court terme
US5664055A (en) * 1995-06-07 1997-09-02 Lucent Technologies Inc. CS-ACELP speech compression system with adaptive pitch prediction filter gain based on a measure of periodicity
US5732389A (en) * 1995-06-07 1998-03-24 Lucent Technologies Inc. Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures
US5699485A (en) * 1995-06-07 1997-12-16 Lucent Technologies Inc. Pitch delay modification during frame erasures
US5710863A (en) * 1995-09-19 1998-01-20 Chen; Juin-Hwey Speech signal quantization using human auditory models in predictive coding systems
US5790759A (en) * 1995-09-19 1998-08-04 Lucent Technologies Inc. Perceptual noise masking measure based on synthesis filter frequency response
JP3680380B2 (ja) * 1995-10-26 2005-08-10 ソニー株式会社 音声符号化方法及び装置
JP4005154B2 (ja) * 1995-10-26 2007-11-07 ソニー株式会社 音声復号化方法及び装置
FR2742568B1 (fr) * 1995-12-15 1998-02-13 Catherine Quinquis Procede d'analyse par prediction lineaire d'un signal audiofrequence, et procedes de codage et de decodage d'un signal audiofrequence en comportant application
US5729694A (en) * 1996-02-06 1998-03-17 The Regents Of The University Of California Speech coding, reconstruction and recognition using acoustics and electromagnetic waves
US5708757A (en) * 1996-04-22 1998-01-13 France Telecom Method of determining parameters of a pitch synthesis filter in a speech coder, and speech coder implementing such method

Also Published As

Publication number Publication date
CN1145143C (zh) 2004-04-07
CA2209384C (en) 2001-05-29
FR2729246A1 (fr) 1996-07-12
AU704229B2 (en) 1999-04-15
EP0801788B1 (de) 1999-06-09
DE69602822T2 (de) 1999-12-23
US5974377A (en) 1999-10-26
CA2209384A1 (en) 1996-07-11
AU4490196A (en) 1996-07-24
DE69602822D1 (de) 1999-07-15
CN1173939A (zh) 1998-02-18
FR2729246B1 (de) 1997-03-07
WO1996021218A1 (fr) 1996-07-11
EP0801788A1 (de) 1997-10-22

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Legal Events

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UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee