FR2784218B1 - Procede de codage de la parole a bas debit - Google Patents

Procede de codage de la parole a bas debit

Info

Publication number
FR2784218B1
FR2784218B1 FR9812500A FR9812500A FR2784218B1 FR 2784218 B1 FR2784218 B1 FR 2784218B1 FR 9812500 A FR9812500 A FR 9812500A FR 9812500 A FR9812500 A FR 9812500A FR 2784218 B1 FR2784218 B1 FR 2784218B1
Authority
FR
France
Prior art keywords
values
super
encoded
frame
vector quantization
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
FR9812500A
Other languages
English (en)
Other versions
FR2784218A1 (fr
Inventor
Philippe Gournay
Frederic Chartier
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
Thomson CSF 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
Priority to FR9812500A priority Critical patent/FR2784218B1/fr
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Priority to AT99946281T priority patent/ATE222016T1/de
Priority to EP99946281A priority patent/EP1125283B1/fr
Priority to CA002345373A priority patent/CA2345373A1/fr
Priority to KR1020017004080A priority patent/KR20010075491A/ko
Priority to PCT/FR1999/002348 priority patent/WO2000021077A1/fr
Priority to AU58702/99A priority patent/AU768744B2/en
Priority to DE69902480T priority patent/DE69902480T2/de
Priority to IL14191199A priority patent/IL141911A0/xx
Priority to MXPA01003150A priority patent/MXPA01003150A/es
Priority to JP2000575121A priority patent/JP4558205B2/ja
Priority to US09/806,993 priority patent/US6687667B1/en
Priority to TW089105887A priority patent/TW463143B/zh
Publication of FR2784218A1 publication Critical patent/FR2784218A1/fr
Application granted granted Critical
Publication of FR2784218B1 publication Critical patent/FR2784218B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G10L19/16Vocoder architecture
    • 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
    • G10L2019/0001Codebooks
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93Discriminating 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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Machine Translation (AREA)
  • Devices For Executing Special Programs (AREA)
  • Executing Machine-Instructions (AREA)
FR9812500A 1998-10-06 1998-10-06 Procede de codage de la parole a bas debit Expired - Fee Related FR2784218B1 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
FR9812500A FR2784218B1 (fr) 1998-10-06 1998-10-06 Procede de codage de la parole a bas debit
JP2000575121A JP4558205B2 (ja) 1998-10-06 1999-10-01 スピーチコーダパラメータの量子化方法
CA002345373A CA2345373A1 (fr) 1998-10-06 1999-10-01 Procede de quantification des parametres d'un codeur de parole
KR1020017004080A KR20010075491A (ko) 1998-10-06 1999-10-01 음성 코더 매개변수를 양자화하는 방법
PCT/FR1999/002348 WO2000021077A1 (fr) 1998-10-06 1999-10-01 Procede de quantification des parametres d'un codeur de parole
AU58702/99A AU768744B2 (en) 1998-10-06 1999-10-01 Method for quantizing speech coder parameters
AT99946281T ATE222016T1 (de) 1998-10-06 1999-10-01 Verfahren zur quantisierung der parameter eines sprachkodierers
IL14191199A IL141911A0 (en) 1998-10-06 1999-10-01 Method for quantizing speech coder parameters
MXPA01003150A MXPA01003150A (es) 1998-10-06 1999-10-01 Procedimiento de cuantificacion de los parametros de un codificador de palabras.
EP99946281A EP1125283B1 (fr) 1998-10-06 1999-10-01 Procede de quantification des parametres d'un codeur de parole
US09/806,993 US6687667B1 (en) 1998-10-06 1999-10-01 Method for quantizing speech coder parameters
DE69902480T DE69902480T2 (de) 1998-10-06 1999-10-01 Verfahren zur quantisierung der parameter eines sprachkodierers
TW089105887A TW463143B (en) 1998-10-06 2000-03-30 Low-bit rate speech encoding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9812500A FR2784218B1 (fr) 1998-10-06 1998-10-06 Procede de codage de la parole a bas debit

Publications (2)

Publication Number Publication Date
FR2784218A1 FR2784218A1 (fr) 2000-04-07
FR2784218B1 true FR2784218B1 (fr) 2000-12-08

Family

ID=9531246

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9812500A Expired - Fee Related FR2784218B1 (fr) 1998-10-06 1998-10-06 Procede de codage de la parole a bas debit

Country Status (13)

Country Link
US (1) US6687667B1 (fr)
EP (1) EP1125283B1 (fr)
JP (1) JP4558205B2 (fr)
KR (1) KR20010075491A (fr)
AT (1) ATE222016T1 (fr)
AU (1) AU768744B2 (fr)
CA (1) CA2345373A1 (fr)
DE (1) DE69902480T2 (fr)
FR (1) FR2784218B1 (fr)
IL (1) IL141911A0 (fr)
MX (1) MXPA01003150A (fr)
TW (1) TW463143B (fr)
WO (1) WO2000021077A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7734465B2 (en) 2005-05-31 2010-06-08 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
US7831421B2 (en) 2005-05-31 2010-11-09 Microsoft Corporation Robust decoder

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7315815B1 (en) 1999-09-22 2008-01-01 Microsoft Corporation LPC-harmonic vocoder with superframe structure
FR2815457B1 (fr) * 2000-10-18 2003-02-14 Thomson Csf Procede de codage de la prosodie pour un codeur de parole a tres bas debit
KR100355033B1 (ko) * 2000-12-30 2002-10-19 주식회사 실트로닉 테크놀로지 선형예측 분석을 이용한 워터마크 삽입/추출 장치 및 그방법
CA2388439A1 (fr) * 2002-05-31 2003-11-30 Voiceage Corporation Methode et dispositif de dissimulation d'effacement de cadres dans des codecs de la parole a prevision lineaire
US7668712B2 (en) 2004-03-31 2010-02-23 Microsoft Corporation Audio encoding and decoding with intra frames and adaptive forward error correction
US8219391B2 (en) * 2005-02-15 2012-07-10 Raytheon Bbn Technologies Corp. Speech analyzing system with speech codebook
US7707034B2 (en) 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
CN101009096B (zh) * 2006-12-15 2011-01-26 清华大学 子带清浊音模糊判决的方法
WO2008092473A1 (fr) * 2007-01-31 2008-08-07 Telecom Italia S.P.A. Procédé et système personnalisables de reconnaissance d'émotions
KR101317269B1 (ko) 2007-06-07 2013-10-14 삼성전자주식회사 정현파 오디오 코딩 방법 및 장치, 그리고 정현파 오디오디코딩 방법 및 장치
PT2313887T (pt) * 2008-07-10 2017-11-14 Voiceage Corp Dispositivo e método de quantificação de filtro de lpc de taxa de bits variável e quantificação inversa
US9947340B2 (en) * 2008-12-10 2018-04-17 Skype Regeneration of wideband speech
GB2466201B (en) * 2008-12-10 2012-07-11 Skype Ltd Regeneration of wideband speech
GB0822537D0 (en) 2008-12-10 2009-01-14 Skype Ltd Regeneration of wideband speech
US9465836B2 (en) * 2010-12-23 2016-10-11 Sap Se Enhanced business object retrieval
BR112015031178B1 (pt) 2013-06-21 2022-03-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V Aparelho e método para gerar um formato espectral adaptativo de ruído de conforto
JP7130878B2 (ja) * 2019-01-13 2022-09-05 華為技術有限公司 高分解能オーディオコーディング

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255339A (en) * 1991-07-19 1993-10-19 Motorola, Inc. Low bit rate vocoder means and method
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
EP0950238B1 (fr) * 1996-07-05 2003-09-10 The Victoria University Of Manchester Systeme de codage et decodage de parole
US6131084A (en) * 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
FR2774827B1 (fr) * 1998-02-06 2000-04-14 France Telecom Procede de decodage d'un flux binaire representatif d'un signal audio
US6094629A (en) * 1998-07-13 2000-07-25 Lockheed Martin Corp. Speech coding system and method including spectral quantizer
FR2786908B1 (fr) * 1998-12-04 2001-06-08 Thomson Csf Procede et dispositif pour le traitement des sons pour correction auditive des malentendants

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7734465B2 (en) 2005-05-31 2010-06-08 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
US7831421B2 (en) 2005-05-31 2010-11-09 Microsoft Corporation Robust decoder
US7904293B2 (en) 2005-05-31 2011-03-08 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
US7962335B2 (en) 2005-05-31 2011-06-14 Microsoft Corporation Robust decoder

Also Published As

Publication number Publication date
TW463143B (en) 2001-11-11
WO2000021077A1 (fr) 2000-04-13
MXPA01003150A (es) 2002-07-02
CA2345373A1 (fr) 2000-04-13
JP4558205B2 (ja) 2010-10-06
DE69902480T2 (de) 2003-05-22
IL141911A0 (en) 2002-03-10
EP1125283A1 (fr) 2001-08-22
JP2002527778A (ja) 2002-08-27
FR2784218A1 (fr) 2000-04-07
AU5870299A (en) 2000-04-26
DE69902480D1 (de) 2002-09-12
ATE222016T1 (de) 2002-08-15
AU768744B2 (en) 2004-01-08
KR20010075491A (ko) 2001-08-09
EP1125283B1 (fr) 2002-08-07
US6687667B1 (en) 2004-02-03

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