ATE459957T1 - Kodierung und dekodierung für mehrkanalige signale - Google Patents

Kodierung und dekodierung für mehrkanalige signale

Info

Publication number
ATE459957T1
ATE459957T1 AT03708417T AT03708417T ATE459957T1 AT E459957 T1 ATE459957 T1 AT E459957T1 AT 03708417 T AT03708417 T AT 03708417T AT 03708417 T AT03708417 T AT 03708417T AT E459957 T1 ATE459957 T1 AT E459957T1
Authority
AT
Austria
Prior art keywords
decoding
channel signals
coding
signal
signal component
Prior art date
Application number
AT03708417T
Other languages
English (en)
Inventor
Ronaldus Aarts
Roy Irwan
Original Assignee
Koninkl 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE459957T1 publication Critical patent/ATE459957T1/de

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)
  • Error Detection And Correction (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Stereo-Broadcasting Methods (AREA)
AT03708417T 2002-04-10 2003-03-20 Kodierung und dekodierung für mehrkanalige signale ATE459957T1 (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
ATE459957T1 true ATE459957T1 (de) 2010-03-15

Family

ID=28685942

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03708417T ATE459957T1 (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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KR101218776B1 (ko) 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
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
KR101339854B1 (ko) * 2006-03-15 2014-02-06 오렌지 주 성분 분석에 의해 다중채널 오디오 신호를 인코딩하기 위한 장치 및 방법
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
US8918325B2 (en) 2009-06-01 2014-12-23 Mitsubishi Electric Corporation Signal processing device for processing stereo signals
WO2011080916A1 (ja) * 2009-12-28 2011-07-07 パナソニック株式会社 音声符号化装置および音声符号化方法
US8634569B2 (en) 2010-01-08 2014-01-21 Conexant Systems, Inc. Systems and methods for echo cancellation and echo suppression
US9160864B2 (en) 2011-01-05 2015-10-13 Conexant Systems, Inc. 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
EP2834813B1 (de) 2012-04-05 2015-09-30 Huawei Technologies Co., Ltd. Mehrkanal-toncodierer und verfahren zur codierung eines mehrkanal-tonsignals
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
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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
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Also Published As

Publication number Publication date
US20050213522A1 (en) 2005-09-29
KR20040101429A (ko) 2004-12-02
ES2341327T3 (es) 2010-06-18
DE60331535D1 (de) 2010-04-15
EP1500086B1 (de) 2010-03-03
JP2005522722A (ja) 2005-07-28
US7359522B2 (en) 2008-04-15
CN1311426C (zh) 2007-04-18
CN1647158A (zh) 2005-07-27
EP1500086A1 (de) 2005-01-26
JP4805541B2 (ja) 2011-11-02
WO2003085645A1 (en) 2003-10-16
BRPI0308691A2 (pt) 2016-11-16
KR100981694B1 (ko) 2010-09-13
AU2003212592A1 (en) 2003-10-20
BRPI0308691B1 (pt) 2018-06-19

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