DE69832358D1 - Verfahren zur Sprachkodierung und -dekodierung - Google Patents

Verfahren zur Sprachkodierung und -dekodierung

Info

Publication number
DE69832358D1
DE69832358D1 DE69832358T DE69832358T DE69832358D1 DE 69832358 D1 DE69832358 D1 DE 69832358D1 DE 69832358 T DE69832358 T DE 69832358T DE 69832358 T DE69832358 T DE 69832358T DE 69832358 D1 DE69832358 D1 DE 69832358D1
Authority
DE
Germany
Prior art keywords
decoding
speech coding
speech
coding
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 - Lifetime
Application number
DE69832358T
Other languages
English (en)
Other versions
DE69832358T2 (de
Inventor
Tadashi Amada
Kimio Miseki
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of DE69832358D1 publication Critical patent/DE69832358D1/de
Application granted granted Critical
Publication of DE69832358T2 publication Critical patent/DE69832358T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
DE69832358T 1997-12-24 1998-12-24 Verfahren zur Sprachkodierung und -dekodierung Expired - Lifetime DE69832358T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP35574897 1997-12-24
JP35574897 1997-12-24

Publications (2)

Publication Number Publication Date
DE69832358D1 true DE69832358D1 (de) 2005-12-22
DE69832358T2 DE69832358T2 (de) 2006-05-24

Family

ID=18445568

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69832358T Expired - Lifetime DE69832358T2 (de) 1997-12-24 1998-12-24 Verfahren zur Sprachkodierung und -dekodierung

Country Status (3)

Country Link
US (1) US6385576B2 (de)
EP (1) EP0926660B1 (de)
DE (1) DE69832358T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4008607B2 (ja) * 1999-01-22 2007-11-14 株式会社東芝 音声符号化／復号化方法
US6704701B1 (en) * 1999-07-02 2004-03-09 Mindspeed Technologies, Inc. Bi-directional pitch enhancement in speech coding systems
JP2001075600A (ja) * 1999-09-07 2001-03-23 Mitsubishi Electric Corp 音声符号化装置および音声復号化装置
US6959274B1 (en) 1999-09-22 2005-10-25 Mindspeed Technologies, Inc. Fixed rate speech compression system and method
JP2001282278A (ja) * 2000-03-31 2001-10-12 Canon Inc 音声情報処理装置及びその方法と記憶媒体
EP1796083B1 (de) 2000-04-24 2009-01-07 Qualcomm Incorporated Verfahren und Vorrichtung zur prädiktiven Quantisierung von stimmhaften Sprachsignalen
US6980948B2 (en) * 2000-09-15 2005-12-27 Mindspeed Technologies, Inc. System of dynamic pulse position tracks for pulse-like excitation in speech coding
US7363219B2 (en) * 2000-09-22 2008-04-22 Texas Instruments Incorporated Hybrid speech coding and system
US6920191B2 (en) * 2001-02-02 2005-07-19 Telefonaktiebolaget Lm Ericsson (Publ) Estimation and compensation of the pulse-shape response in wireless terminals
US6859775B2 (en) * 2001-03-06 2005-02-22 Ntt Docomo, Inc. Joint optimization of excitation and model parameters in parametric speech coders
FI119955B (fi) * 2001-06-21 2009-05-15 Nokia Corp Menetelmä, kooderi ja laite puheenkoodaukseen synteesi-analyysi puhekoodereissa
US20060237398A1 (en) * 2002-05-08 2006-10-26 Dougherty Mike L Sr Plasma-assisted processing in a manufacturing line
CA2388352A1 (en) * 2002-05-31 2003-11-30 Voiceage Corporation A method and device for frequency-selective pitch enhancement of synthesized speed
WO2004090870A1 (ja) * 2003-04-04 2004-10-21 Kabushiki Kaisha Toshiba 広帯域音声を符号化または復号化するための方法及び装置
US7860710B2 (en) * 2004-09-22 2010-12-28 Texas Instruments Incorporated Methods, devices and systems for improved codebook search for voice codecs
US7571094B2 (en) * 2005-09-21 2009-08-04 Texas Instruments Incorporated Circuits, processes, devices and systems for codebook search reduction in speech coders
JPWO2007043643A1 (ja) * 2005-10-14 2009-04-16 パナソニック株式会社 音声符号化装置、音声復号装置、音声符号化方法、及び音声復号化方法
KR101542069B1 (ko) * 2006-05-25 2015-08-06 삼성전자주식회사 고정 코드북 검색 방법 및 장치와 그를 이용한 음성 신호의부호화/복호화 방법 및 장치
DK2102619T3 (en) * 2006-10-24 2017-05-15 Voiceage Corp METHOD AND DEVICE FOR CODING TRANSITION FRAMEWORK IN SPEECH SIGNALS
EP2128855A1 (de) * 2007-03-02 2009-12-02 Panasonic Corporation Sprachcodierungseinrichtung und sprachcodierungsverfahren
BRPI0814129A2 (pt) 2007-07-27 2015-02-03 Panasonic Corp Dispositivo de codificação de áudio e método de codificação de áudio
US8566106B2 (en) * 2007-09-11 2013-10-22 Voiceage Corporation Method and device for fast algebraic codebook search in speech and audio coding
CN102623012B (zh) * 2011-01-26 2014-08-20 华为技术有限公司 矢量联合编解码方法及编解码器
EP2763137B1 (de) * 2011-09-28 2016-09-14 LG Electronics Inc. Sprachsignalkodierverfahren und sprachsignaldekodierverfahren
CN104751849B (zh) 2013-12-31 2017-04-19 华为技术有限公司 语音频码流的解码方法及装置
CN107369454B (zh) 2014-03-21 2020-10-27 华为技术有限公司 语音频码流的解码方法及装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731846A (en) 1983-04-13 1988-03-15 Texas Instruments Incorporated Voice messaging system with pitch tracking based on adaptively filtered LPC residual signal
GB8621932D0 (en) 1986-09-11 1986-10-15 British Telecomm Speech coding
JPH0365822A (ja) 1989-08-04 1991-03-20 Fujitsu Ltd ベクトル量子化符号器及びベクトル量子化復号器
US5701392A (en) * 1990-02-23 1997-12-23 Universite De Sherbrooke Depth-first algebraic-codebook search for fast coding of speech
CA2010830C (en) * 1990-02-23 1996-06-25 Jean-Pierre Adoul Dynamic codebook for efficient speech coding based on algebraic codes
US5754976A (en) * 1990-02-23 1998-05-19 Universite De Sherbrooke Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech
US5717824A (en) * 1992-08-07 1998-02-10 Pacific Communication Sciences, Inc. Adaptive speech coder having code excited linear predictor with multiple codebook searches
SG43128A1 (en) * 1993-06-10 1997-10-17 Oki Electric Ind Co Ltd Code excitation linear predictive (celp) encoder and decoder
US5602961A (en) * 1994-05-31 1997-02-11 Alaris, Inc. Method and apparatus for speech compression using multi-mode code excited linear predictive coding
JPH08123494A (ja) 1994-10-28 1996-05-17 Mitsubishi Electric Corp 音声符号化装置、音声復号化装置、音声符号化復号化方法およびこれらに使用可能な位相振幅特性導出装置
JP3328080B2 (ja) * 1994-11-22 2002-09-24 沖電気工業株式会社 コード励振線形予測復号器
US5864797A (en) * 1995-05-30 1999-01-26 Sanyo Electric Co., Ltd. Pitch-synchronous speech coding by applying multiple analysis to select and align a plurality of types of code vectors
JP3137176B2 (ja) 1995-12-06 2001-02-19 日本電気株式会社 音声符号化装置
JPH1092794A (ja) 1996-09-17 1998-04-10 Toshiba Corp プラズマ処理装置及びプラズマ処理方法

Also Published As

Publication number Publication date
EP0926660B1 (de) 2005-11-16
US6385576B2 (en) 2002-05-07
EP0926660A3 (de) 2000-04-05
DE69832358T2 (de) 2006-05-24
EP0926660A2 (de) 1999-06-30
US20010053972A1 (en) 2001-12-20

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