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)
  • Stereo-Broadcasting Methods (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Error Detection And Correction (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (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) BRPI0308691B1 (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
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
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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
US8452587B2 (en) 2008-05-30 2013-05-28 Panasonic Corporation Encoder, decoder, and the methods therefor
RU2486609C2 (ru) * 2008-06-19 2013-06-27 Панасоник Корпорейшн Квантователь, кодер и их способы
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
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ES2555579T3 (es) 2012-04-05 2016-01-05 Huawei Technologies Co., Ltd Codificador de audio multicanal y método para codificar una señal de audio multicanal
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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JP2022552319A (ja) 2019-10-18 2022-12-15 ドルビー ラボラトリーズ ライセンシング コーポレイション 生成モデルを用いたオーディオ信号の波形符号化のための方法およびシステム

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Also Published As

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

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