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DE60331535D1 - Kodierung und Dekodierung für mehrkanalige Signale - Google Patents

Kodierung und Dekodierung für mehrkanalige Signale

Info

Publication number
DE60331535D1
DE60331535D1 DE60331535T DE60331535T DE60331535D1 DE 60331535 D1 DE60331535 D1 DE 60331535D1 DE 60331535 T DE60331535 T DE 60331535T DE 60331535 T DE60331535 T DE 60331535T DE 60331535 D1 DE60331535 D1 DE 60331535D1
Authority
DE
Germany
Prior art keywords
decoding
channel signals
coding
signal
signal component
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
DE60331535T
Other languages
English (en)
Inventor
Ronaldus M Aarts
Roy Irwan
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60331535D1 publication Critical patent/DE60331535D1/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
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Error Detection And Correction (AREA)
DE60331535T 2002-04-10 2003-03-20 Kodierung und Dekodierung für mehrkanalige Signale Expired - Lifetime DE60331535D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02076408 2002-04-10
PCT/IB2003/001154 WO2003085645A1 (en) 2002-04-10 2003-03-20 Coding of stereo signals

Publications (1)

Publication Number Publication Date
DE60331535D1 true DE60331535D1 (de) 2010-04-15

Family

ID=28685942

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60331535T Expired - Lifetime DE60331535D1 (de) 2002-04-10 2003-03-20 Kodierung und Dekodierung für mehrkanalige Signale

Country Status (11)

Country Link
US (1) US7359522B2 (de)
EP (1) EP1500086B1 (de)
JP (1) JP4805541B2 (de)
KR (1) KR100981694B1 (de)
CN (1) CN1311426C (de)
AT (1) ATE459957T1 (de)
AU (1) AU2003212592A1 (de)
BR (2) BRPI0308691A2 (de)
DE (1) DE60331535D1 (de)
ES (1) ES2341327T3 (de)
WO (1) WO2003085645A1 (de)

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DE102004009954B4 (de) * 2004-03-01 2005-12-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Verarbeiten eines Multikanalsignals
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
CN104112450A (zh) * 2004-06-08 2014-10-22 皇家飞利浦电子股份有限公司 音频编码器，音频解码器，编码与解码音频信号的方法及音频设备
CN1973319B (zh) * 2004-06-21 2010-12-01 皇家飞利浦电子股份有限公司 编码和解码多通道音频信号的方法和设备
WO2006048817A1 (en) * 2004-11-04 2006-05-11 Koninklijke Philips Electronics N.V. Encoding and decoding of multi-channel audio signals
KR100707177B1 (ko) * 2005-01-19 2007-04-13 삼성전자주식회사 디지털 신호 부호화/복호화 방법 및 장치
US7573912B2 (en) * 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
ATE406651T1 (de) * 2005-03-30 2008-09-15 Koninkl Philips Electronics Nv Audiokodierung und audiodekodierung
US7751572B2 (en) 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
US8050915B2 (en) 2005-07-11 2011-11-01 Lg Electronics Inc. Apparatus and method of encoding and decoding audio signals using hierarchical block switching and linear prediction coding
JP2007183528A (ja) * 2005-12-06 2007-07-19 Fujitsu Ltd 符号化装置、符号化方法、および符号化プログラム
KR101218776B1 (ko) 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
KR100803212B1 (ko) * 2006-01-11 2008-02-14 삼성전자주식회사 스케일러블 채널 복호화 방법 및 장치
WO2007104882A1 (fr) 2006-03-15 2007-09-20 France Telecom Dispositif et procede de codage par analyse en composante principale d'un signal audio multi-canal
FR2898725A1 (fr) * 2006-03-15 2007-09-21 France Telecom Dispositif et procede de codage gradue d'un signal audio multi-canal selon une analyse en composante principale
CN1909064B (zh) * 2006-08-22 2011-05-18 复旦大学 一种在线自然语音卷积混合信号的时域盲分离方法
KR100860830B1 (ko) * 2006-12-13 2008-09-30 삼성전자주식회사 음성 신호의 스펙트럼 정보 추정 장치 및 방법
US8935158B2 (en) 2006-12-13 2015-01-13 Samsung Electronics Co., Ltd. Apparatus and method for comparing frames using spectral information of audio signal
CN101067931B (zh) * 2007-05-10 2011-04-20 芯晟(北京)科技有限公司 一种高效可配置的频域参数立体声及多声道编解码方法与系统
EP2287836B1 (de) * 2008-05-30 2014-10-15 Panasonic Intellectual Property Corporation of America Enkodierer und enkodierverfahren
EP2293292B1 (de) * 2008-06-19 2013-06-05 Panasonic Corporation Vorrichtung zur Quantisierung, Verfahren zur Quantisierung und Vorrichtung zur Codierung
CN101673548B (zh) * 2008-09-08 2012-08-08 华为技术有限公司 参数立体声编码方法、装置和参数立体声解码方法、装置
WO2010140306A1 (ja) * 2009-06-01 2010-12-09 三菱電機株式会社 信号処理装置
US8942989B2 (en) 2009-12-28 2015-01-27 Panasonic Intellectual Property Corporation Of America Speech coding of principal-component channels for deleting redundant inter-channel parameters
US8634569B2 (en) * 2010-01-08 2014-01-21 Conexant Systems, Inc. Systems and methods for echo cancellation and echo suppression
WO2012094528A1 (en) 2011-01-05 2012-07-12 Conexant Systems, Inc., A Delaware Corporation Systems and methods for stereo echo cancellation
EP2645748A1 (de) 2012-03-28 2013-10-02 Thomson Licensing Verfahren und Vorrichtung zum Decodieren von Stereolautsprechersignalen aus einem Ambisonics-Audiosignal höherer Ordnung
WO2013149671A1 (en) 2012-04-05 2013-10-10 Huawei Technologies Co., Ltd. Multi-channel audio encoder and method for encoding a multi-channel audio signal
CN105336333B (zh) * 2014-08-12 2019-07-05 北京天籁传音数字技术有限公司 多声道声音信号编码方法、解码方法及装置
CN105632505B (zh) * 2014-11-28 2019-12-20 北京天籁传音数字技术有限公司 主成分分析pca映射模型的编解码方法及装置
US12125492B2 (en) 2015-09-25 2024-10-22 Voiceage Coproration Method and system for decoding left and right channels of a stereo sound signal
CN109427328B (zh) * 2017-08-28 2023-04-28 中国科学院声学研究所 一种基于滤波网络声学模型的多通道语音识别方法
WO2021077023A1 (en) 2019-10-18 2021-04-22 Dolby Laboratories Licensing Corporation Methods and system for waveform coding of audio signals with a generative model

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Also Published As

Publication number Publication date
JP2005522722A (ja) 2005-07-28
US7359522B2 (en) 2008-04-15
EP1500086B1 (de) 2010-03-03
AU2003212592A1 (en) 2003-10-20
ES2341327T3 (es) 2010-06-18
US20050213522A1 (en) 2005-09-29
BRPI0308691B1 (pt) 2018-06-19
CN1311426C (zh) 2007-04-18
KR100981694B1 (ko) 2010-09-13
EP1500086A1 (de) 2005-01-26
CN1647158A (zh) 2005-07-27
BRPI0308691A2 (pt) 2016-11-16
WO2003085645A1 (en) 2003-10-16
ATE459957T1 (de) 2010-03-15
JP4805541B2 (ja) 2011-11-02
KR20040101429A (ko) 2004-12-02

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