DE60032068D1 - Sprachdekodierung - Google Patents

Sprachdekodierung

Info

Publication number
DE60032068D1
DE60032068D1 DE60032068T DE60032068T DE60032068D1 DE 60032068 D1 DE60032068 D1 DE 60032068D1 DE 60032068 T DE60032068 T DE 60032068T DE 60032068 T DE60032068 T DE 60032068T DE 60032068 D1 DE60032068 D1 DE 60032068D1
Authority
DE
Germany
Prior art keywords
speech decoding
speech
decoding
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
DE60032068T
Other languages
English (en)
Other versions
DE60032068T2 (de
Inventor
Atsushi Murashima
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.)
NEC Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of DE60032068D1 publication Critical patent/DE60032068D1/de
Application granted granted Critical
Publication of DE60032068T2 publication Critical patent/DE60032068T2/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
    • 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
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE60032068T 1999-07-28 2000-07-28 Sprachdekodierung Expired - Lifetime DE60032068T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP21429299 1999-07-28
JP21429299A JP3365360B2 (ja) 1999-07-28 1999-07-28 音声信号復号方法および音声信号符号化復号方法とその装置

Publications (2)

Publication Number Publication Date
DE60032068D1 true DE60032068D1 (de) 2007-01-11
DE60032068T2 DE60032068T2 (de) 2007-06-28

Family

ID=16653319

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60032068T Expired - Lifetime DE60032068T2 (de) 1999-07-28 2000-07-28 Sprachdekodierung

Country Status (5)

Country Link
US (3) US7050968B1 (de)
EP (2) EP1073039B1 (de)
JP (1) JP3365360B2 (de)
CA (1) CA2315324C (de)
DE (1) DE60032068T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3365360B2 (ja) * 1999-07-28 2003-01-08 日本電気株式会社 音声信号復号方法および音声信号符号化復号方法とその装置
FR2813722B1 (fr) * 2000-09-05 2003-01-24 France Telecom Procede et dispositif de dissimulation d'erreurs et systeme de transmission comportant un tel dispositif
US20030135374A1 (en) * 2002-01-16 2003-07-17 Hardwick John C. Speech synthesizer
US7305340B1 (en) * 2002-06-05 2007-12-04 At&T Corp. System and method for configuring voice synthesis
JP2004151123A (ja) * 2002-10-23 2004-05-27 Nec Corp 符号変換方法、符号変換装置、プログラム及びその記憶媒体
JP4572123B2 (ja) 2005-02-28 2010-10-27 日本電気株式会社 音源供給装置及び音源供給方法
US20070270987A1 (en) * 2006-05-18 2007-11-22 Sharp Kabushiki Kaisha Signal processing method, signal processing apparatus and recording medium
CN101578656A (zh) * 2007-01-05 2009-11-11 Lg电子株式会社 用于处理音频信号的装置和方法
CN101266798B (zh) * 2007-03-12 2011-06-15 华为技术有限公司 一种在语音解码器中进行增益平滑的方法及装置
EP3364411B1 (de) * 2009-12-14 2022-06-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vektorquantisierungsvorrichtung, sprachcodierungsvorrichtung, vektorquantisierungsverfahren und sprachcodierungsverfahren
KR101747917B1 (ko) * 2010-10-18 2017-06-15 삼성전자주식회사 선형 예측 계수를 양자화하기 위한 저복잡도를 가지는 가중치 함수 결정 장치 및 방법
TWI498884B (zh) * 2013-09-09 2015-09-01 Pegatron Corp 具有過濾背景音功能的電子裝置及其方法
CN104143337B (zh) 2014-01-08 2015-12-09 腾讯科技（深圳）有限公司 一种提高音频信号音质的方法和装置
JP2017509014A (ja) * 2014-02-14 2017-03-30 ドナルド ジェームズ デリック 音声分析および知覚増強のためのシステム
KR102298767B1 (ko) * 2014-11-17 2021-09-06 삼성전자주식회사 음성 인식 시스템, 서버, 디스플레이 장치 및 그 제어 방법

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5267317A (en) 1991-10-18 1993-11-30 At&T Bell Laboratories Method and apparatus for smoothing pitch-cycle waveforms
JP2746033B2 (ja) 1992-12-24 1998-04-28 日本電気株式会社 音声復号化装置
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
US5991725A (en) 1995-03-07 1999-11-23 Advanced Micro Devices, Inc. System and method for enhanced speech quality in voice storage and retrieval systems
GB9512284D0 (en) * 1995-06-16 1995-08-16 Nokia Mobile Phones Ltd Speech Synthesiser
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
JPH09244695A (ja) 1996-03-04 1997-09-19 Kobe Steel Ltd 音声符号化装置及び復号化装置
JP3270922B2 (ja) 1996-09-09 2002-04-02 富士通株式会社 符号化，復号化方法及び符号化，復号化装置
JPH10124097A (ja) 1996-10-21 1998-05-15 Olympus Optical Co Ltd 音声記録再生装置
US6202046B1 (en) * 1997-01-23 2001-03-13 Kabushiki Kaisha Toshiba Background noise/speech classification method
JPH10222194A (ja) 1997-02-03 1998-08-21 Gotai Handotai Kofun Yugenkoshi 音声符号化における有声音と無声音の識別方法
JP3297346B2 (ja) * 1997-04-30 2002-07-02 沖電気工業株式会社 音声検出装置
JPH11133997A (ja) 1997-11-04 1999-05-21 Matsushita Electric Ind Co Ltd 有音無音判定装置
US6122611A (en) * 1998-05-11 2000-09-19 Conexant Systems, Inc. Adding noise during LPC coded voice activity periods to improve the quality of coded speech coexisting with background noise
US6098036A (en) * 1998-07-13 2000-08-01 Lockheed Martin Corp. Speech coding system and method including spectral formant enhancer
US6377915B1 (en) * 1999-03-17 2002-04-23 Yrp Advanced Mobile Communication Systems Research Laboratories Co., Ltd. Speech decoding using mix ratio table
JP3365360B2 (ja) * 1999-07-28 2003-01-08 日本電気株式会社 音声信号復号方法および音声信号符号化復号方法とその装置

Also Published As

Publication number Publication date
EP1727130A2 (de) 2006-11-29
US20060116875A1 (en) 2006-06-01
CA2315324A1 (en) 2001-01-28
US7050968B1 (en) 2006-05-23
US20090012780A1 (en) 2009-01-08
US7693711B2 (en) 2010-04-06
JP2001042900A (ja) 2001-02-16
EP1073039B1 (de) 2006-11-29
EP1073039A3 (de) 2003-12-10
EP1727130A3 (de) 2007-06-13
JP3365360B2 (ja) 2003-01-08
CA2315324C (en) 2008-02-05
DE60032068T2 (de) 2007-06-28
US7426465B2 (en) 2008-09-16
EP1073039A2 (de) 2001-01-31

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Legal Events

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