DE69729527D1 - Verfahren und Vorrichtung zur Kodierung von Sprachsignalen - Google Patents

Verfahren und Vorrichtung zur Kodierung von Sprachsignalen

Info

Publication number
DE69729527D1
DE69729527D1 DE69729527T DE69729527T DE69729527D1 DE 69729527 D1 DE69729527 D1 DE 69729527D1 DE 69729527 T DE69729527 T DE 69729527T DE 69729527 T DE69729527 T DE 69729527T DE 69729527 D1 DE69729527 D1 DE 69729527D1
Authority
DE
Germany
Prior art keywords
vector quantization
perceptually weighted
weighted vector
processed
weight value
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
DE69729527T
Other languages
English (en)
Other versions
DE69729527T2 (de
Inventor
Masayuki Nishiguchi
Kazuyuki Iijima
Jun Matsumoto
Akira Inoue
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69729527D1 publication Critical patent/DE69729527D1/de
Publication of DE69729527T2 publication Critical patent/DE69729527T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G10L13/00—Speech synthesis; Text to speech systems
    • 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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G10L19/13—Residual excited linear prediction [RELP]
    • 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
    • G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE69729527T 1996-10-23 1997-10-17 Verfahren und Vorrichtung zur Kodierung von Sprachsignalen Expired - Lifetime DE69729527T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8281111A JPH10124092A (ja) 1996-10-23 1996-10-23 音声符号化方法及び装置、並びに可聴信号符号化方法及び装置
JP28111196 1996-10-23

Publications (2)

Publication Number Publication Date
DE69729527D1 true DE69729527D1 (de) 2004-07-22
DE69729527T2 DE69729527T2 (de) 2005-06-23

Family

ID=17634512

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69729527T Expired - Lifetime DE69729527T2 (de) 1996-10-23 1997-10-17 Verfahren und Vorrichtung zur Kodierung von Sprachsignalen

Country Status (7)

Country Link
US (1) US6532443B1 (de)
EP (1) EP0841656B1 (de)
JP (1) JPH10124092A (de)
KR (1) KR19980032983A (de)
CN (1) CN1160703C (de)
DE (1) DE69729527T2 (de)
TW (1) TW380246B (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3404350B2 (ja) * 2000-03-06 2003-05-06 パナソニック モバイルコミュニケーションズ株式会社 音声符号化パラメータ取得方法、音声復号方法及び装置
ATE553472T1 (de) * 2000-04-24 2012-04-15 Qualcomm Inc Prädikitve dequantisierung von stimmhaften sprachsignalen
JP4538705B2 (ja) * 2000-08-02 2010-09-08 ソニー株式会社 ディジタル信号処理方法、学習方法及びそれらの装置並びにプログラム格納媒体
US20060025991A1 (en) * 2004-07-23 2006-02-02 Lg Electronics Inc. Voice coding apparatus and method using PLP in mobile communications terminal
AU2005299410B2 (en) 2004-10-26 2011-04-07 Dolby Laboratories Licensing Corporation Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
TWI397901B (zh) * 2004-12-21 2013-06-01 Dolby Lab Licensing Corp 控制音訊信號比響度特性之方法及其相關裝置與電腦程式
US7587441B2 (en) * 2005-06-29 2009-09-08 L-3 Communications Integrated Systems L.P. Systems and methods for weighted overlap and add processing
US7953595B2 (en) 2006-10-18 2011-05-31 Polycom, Inc. Dual-transform coding of audio signals
US7966175B2 (en) * 2006-10-18 2011-06-21 Polycom, Inc. Fast lattice vector quantization
KR100788706B1 (ko) * 2006-11-28 2007-12-26 삼성전자주식회사 광대역 음성 신호의 부호화/복호화 방법
EP2144231A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/-dekodierungschema geringer Bitrate mit gemeinsamer Vorverarbeitung
JP5525540B2 (ja) * 2009-10-30 2014-06-18 パナソニック株式会社 符号化装置および符号化方法
CN101968961B (zh) * 2010-09-19 2012-03-21 北京航空航天大学 一种基于faac lc模式的多路音频实时编码软件设计方法
CN101968960B (zh) * 2010-09-19 2012-07-25 北京航空航天大学 一种基于faac及faad2的多路音频实时编解码硬件设计平台
KR101747917B1 (ko) 2010-10-18 2017-06-15 삼성전자주식회사 선형 예측 계수를 양자화하기 위한 저복잡도를 가지는 가중치 함수 결정 장치 및 방법
TWI488176B (zh) 2011-02-14 2015-06-11 Fraunhofer Ges Forschung 音訊信號音軌脈衝位置之編碼與解碼技術
EP2676270B1 (de) 2011-02-14 2017-02-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodierung eines teils eines audiosignals anhand einer transientendetektion und eines qualitätsergebnisses
JP5969513B2 (ja) 2011-02-14 2016-08-17 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 不活性相の間のノイズ合成を用いるオーディオコーデック
KR101551046B1 (ko) 2011-02-14 2015-09-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 저-지연 통합 스피치 및 오디오 코딩에서 에러 은닉을 위한 장치 및 방법
EP2676265B1 (de) 2011-02-14 2019-04-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zum codieren eines audiosignals unter verwendung eines ausgerichteten look-ahead-teils
PT2676267T (pt) 2011-02-14 2017-09-26 Fraunhofer Ges Forschung Codificação e descodificação de posições de pulso de faixas de um sinal de áudio
WO2012110415A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing a decoded audio signal in a spectral domain
WO2012110478A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Information signal representation using lapped transform
US9252730B2 (en) * 2011-07-19 2016-02-02 Mediatek Inc. Audio processing device and audio systems using the same
FR3049084B1 (fr) * 2016-03-15 2022-11-11 Fraunhofer Ges Forschung Dispositif de codage pour le traitement d'un signal d'entree et dispositif de decodage pour le traitement d'un signal code

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4827517A (en) 1985-12-26 1989-05-02 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech processor using arbitrary excitation coding
US5420887A (en) 1992-03-26 1995-05-30 Pacific Communication Sciences Programmable digital modulator and methods of modulating digital data
CA2105269C (en) 1992-10-09 1998-08-25 Yair Shoham Time-frequency interpolation with application to low rate speech coding
US5781880A (en) * 1994-11-21 1998-07-14 Rockwell International Corporation Pitch lag estimation using frequency-domain lowpass filtering of the linear predictive coding (LPC) residual
JP3707116B2 (ja) 1995-10-26 2005-10-19 ソニー株式会社 音声復号化方法及び装置
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

Also Published As

Publication number Publication date
EP0841656A2 (de) 1998-05-13
US6532443B1 (en) 2003-03-11
EP0841656B1 (de) 2004-06-16
CN1160703C (zh) 2004-08-04
EP0841656A3 (de) 1999-01-13
DE69729527T2 (de) 2005-06-23
CN1193158A (zh) 1998-09-16
KR19980032983A (ko) 1998-07-25
JPH10124092A (ja) 1998-05-15
TW380246B (en) 2000-01-21

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