DE69810361T2 - Verfahren und Vorrichtung zur mehrkanaligen akustischen Signalkodierung und -dekodierung - Google Patents

Verfahren und Vorrichtung zur mehrkanaligen akustischen Signalkodierung und -dekodierung

Info

Publication number
DE69810361T2
DE69810361T2 DE69810361T DE69810361T DE69810361T2 DE 69810361 T2 DE69810361 T2 DE 69810361T2 DE 69810361 T DE69810361 T DE 69810361T DE 69810361 T DE69810361 T DE 69810361T DE 69810361 T2 DE69810361 T2 DE 69810361T2
Authority
DE
Germany
Prior art keywords
decoding
acoustic signal
signal coding
channel acoustic
channel
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
DE69810361T
Other languages
English (en)
Other versions
DE69810361D1 (de
Inventor
Takehiro Moriya
Takeshi Mori
Kazunaga Ikeda
Naoki Iwakami
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of DE69810361D1 publication Critical patent/DE69810361D1/de
Application granted granted Critical
Publication of DE69810361T2 publication Critical patent/DE69810361T2/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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69810361T 1997-02-05 1998-02-04 Verfahren und Vorrichtung zur mehrkanaligen akustischen Signalkodierung und -dekodierung Expired - Lifetime DE69810361T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2233997 1997-02-05
JP19420497 1997-07-18

Publications (2)

Publication Number Publication Date
DE69810361D1 DE69810361D1 (de) 2003-02-06
DE69810361T2 true DE69810361T2 (de) 2003-09-11

Family

ID=26359542

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69810361T Expired - Lifetime DE69810361T2 (de) 1997-02-05 1998-02-04 Verfahren und Vorrichtung zur mehrkanaligen akustischen Signalkodierung und -dekodierung

Country Status (3)

Country Link
US (1) US6345246B1 (de)
EP (1) EP0858067B1 (de)
DE (1) DE69810361T2 (de)

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DE19742655C2 (de) * 1997-09-26 1999-08-05 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Codieren eines zeitdiskreten Stereosignals
JP3541680B2 (ja) * 1998-06-15 2004-07-14 日本電気株式会社 音声音楽信号の符号化装置および復号装置
GB2345233A (en) * 1998-10-23 2000-06-28 John Robert Emmett Encoding of multiple digital audio signals into a lesser number of bitstreams, e.g. for surround sound
BR0006949A (pt) * 1999-07-20 2001-07-31 Koninkl Philips Electronics Nv Portador de gravação, processo de gravar um sinal estéreo e um sinal de dados sobre o mesmo, e, aparelhos gravador e de reprodução.
JP4005359B2 (ja) * 1999-09-14 2007-11-07 富士通株式会社 音声符号化及び音声復号化装置
DE19959156C2 (de) * 1999-12-08 2002-01-31 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Verarbeiten eines zu codierenden Stereoaudiosignals
SE519985C2 (sv) 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
SE519981C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
US8605911B2 (en) 2001-07-10 2013-12-10 Dolby International Ab Efficient and scalable parametric stereo coding for low bitrate audio coding applications
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
WO2003046891A1 (en) 2001-11-29 2003-06-05 Coding Technologies Ab Methods for improving high frequency reconstruction
AU2002348895A1 (en) * 2001-11-30 2003-06-10 Koninklijke Philips Electronics N.V. Signal coding
US20030216921A1 (en) * 2002-05-16 2003-11-20 Jianghua Bao Method and system for limited domain text to speech (TTS) processing
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
CN100507485C (zh) * 2003-10-23 2009-07-01 松下电器产业株式会社 频谱编码装置和频谱解码装置
BRPI0516201A (pt) * 2004-09-28 2008-08-26 Matsushita Electric Ind Co Ltd aparelho de codificação escalonável e método de codificação escalonável
WO2006035810A1 (ja) * 2004-09-30 2006-04-06 Matsushita Electric Industrial Co., Ltd. スケーラブル符号化装置、スケーラブル復号装置、及びこれらの方法
KR20070070174A (ko) * 2004-10-13 2007-07-03 마츠시타 덴끼 산교 가부시키가이샤 스케일러블 부호화 장치, 스케일러블 복호 장치 및스케일러블 부호화 방법
JP5036317B2 (ja) * 2004-10-28 2012-09-26 パナソニック株式会社 スケーラブル符号化装置、スケーラブル復号化装置、およびこれらの方法
BRPI0519454A2 (pt) * 2004-12-28 2009-01-27 Matsushita Electric Ind Co Ltd aparelho de codificaÇço reescalonÁvel e mÉtodo de codificaÇço reescalonÁvel
WO2006103488A1 (en) * 2005-03-30 2006-10-05 Nokia Corporation Source coding and/or decoding
US7983922B2 (en) * 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
US8296134B2 (en) * 2005-05-13 2012-10-23 Panasonic Corporation Audio encoding apparatus and spectrum modifying method
JP4954080B2 (ja) 2005-10-14 2012-06-13 パナソニック株式会社 変換符号化装置および変換符号化方法
JPWO2007116809A1 (ja) * 2006-03-31 2009-08-20 パナソニック株式会社 ステレオ音声符号化装置、ステレオ音声復号装置、およびこれらの方法
EP2248263B1 (de) * 2008-01-31 2012-12-26 Agency for Science, Technology And Research Verfahren und einrichtung zur bitratenverteilung/-abschneidung für skalierbare audiocodierung
US8630848B2 (en) * 2008-05-30 2014-01-14 Digital Rise Technology Co., Ltd. Audio signal transient detection
US8924220B2 (en) * 2009-10-20 2014-12-30 Lenovo Innovations Limited (Hong Kong) Multiband compressor
BE1019445A3 (fr) * 2010-08-11 2012-07-03 Reza Yves Procede d'extraction d'information audio.
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
CN107895580B (zh) * 2016-09-30 2021-06-01 华为技术有限公司 一种音频信号的重建方法和装置
CN109102799B (zh) * 2018-08-17 2023-01-24 信阳师范学院 一种基于频域系数对数和的语音端点检测方法

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US4885790A (en) * 1985-03-18 1989-12-05 Massachusetts Institute Of Technology Processing of acoustic waveforms
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US5307441A (en) * 1989-11-29 1994-04-26 Comsat Corporation Wear-toll quality 4.8 kbps speech codec
US5327520A (en) * 1992-06-04 1994-07-05 At&T Bell Laboratories Method of use of voice message coder/decoder
JPH06332499A (ja) 1993-05-24 1994-12-02 Sharp Corp ステレオ音声符号化装置
JP3199142B2 (ja) 1993-09-22 2001-08-13 日本電信電話株式会社 音声の励振信号符号化方法および装置
US5673291A (en) * 1994-09-14 1997-09-30 Ericsson Inc. Simultaneous demodulation and decoding of a digitally modulated radio signal using known symbols
JP3087814B2 (ja) 1994-03-17 2000-09-11 日本電信電話株式会社 音響信号変換符号化装置および復号化装置
US5651090A (en) 1994-05-06 1997-07-22 Nippon Telegraph And Telephone Corporation Coding method and coder for coding input signals of plural channels using vector quantization, and decoding method and decoder therefor
JPH08190764A (ja) * 1995-01-05 1996-07-23 Sony Corp ディジタル信号処理方法、ディジタル信号処理装置及び記録媒体
US5734724A (en) 1995-03-01 1998-03-31 Nippon Telegraph And Telephone Corporation Audio communication control unit
US5706392A (en) * 1995-06-01 1998-01-06 Rutgers, The State University Of New Jersey Perceptual speech coder and method
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
US5799272A (en) * 1996-07-01 1998-08-25 Ess Technology, Inc. Switched multiple sequence excitation model for low bit rate speech compression
KR100265112B1 (ko) * 1997-03-31 2000-10-02 윤종용 디브이디 디스크와 디브이디 디스크를 재생하는 장치 및 방법

Also Published As

Publication number Publication date
DE69810361D1 (de) 2003-02-06
EP0858067A2 (de) 1998-08-12
EP0858067B1 (de) 2003-01-02
US6345246B1 (en) 2002-02-05
EP0858067A3 (de) 1999-03-31

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