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
JP28111196 1996-10-23
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

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
EP1796083B1 (de) 2000-04-24 2009-01-07 Qualcomm Incorporated Verfahren und Vorrichtung zur prädiktiven Quantisierung 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
EP2262108B1 (de) 2004-10-26 2017-03-01 Dolby Laboratories Licensing Corporation Berechnung und Einstellung der wahrgenommenen Lautstärke/Lautheit eines Audiosignals
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
US8849655B2 (en) * 2009-10-30 2014-09-30 Panasonic Intellectual Property Corporation Of America Encoder, decoder and methods thereof
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
SG185519A1 (en) 2011-02-14 2012-12-28 Fraunhofer Ges Forschung Information signal representation using lapped transform
CN105304090B (zh) 2011-02-14 2019-04-09 弗劳恩霍夫应用研究促进协会 使用对齐的前瞻部分将音频信号编码及解码的装置与方法
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
RU2560788C2 (ru) 2011-02-14 2015-08-20 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для обработки декодированного аудиосигнала в спектральной области
PT2676270T (pt) 2011-02-14 2017-05-02 Fraunhofer Ges Forschung Codificação de uma parte de um sinal de áudio utilizando uma deteção de transiente e um resultado de qualidade
TWI480857B (zh) 2011-02-14 2015-04-11 Fraunhofer Ges Forschung 在不活動階段期間利用雜訊合成之音訊編解碼器
JP5849106B2 (ja) 2011-02-14 2016-01-27 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 低遅延の統合されたスピーチ及びオーディオ符号化におけるエラー隠しのための装置及び方法
JP5800915B2 (ja) 2011-02-14 2015-10-28 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ オーディオ信号のトラックのパルス位置の符号化および復号化
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
DE69729527T2 (de) 2005-06-23
KR19980032983A (ko) 1998-07-25
TW380246B (en) 2000-01-21
JPH10124092A (ja) 1998-05-15
EP0841656B1 (de) 2004-06-16
US6532443B1 (en) 2003-03-11
EP0841656A3 (de) 1999-01-13
CN1193158A (zh) 1998-09-16
CN1160703C (zh) 2004-08-04
EP0841656A2 (de) 1998-05-13

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