DE60303209D1 - Parametrische audiocodierung - Google Patents

Parametrische audiocodierung

Info

Publication number
DE60303209D1
DE60303209D1 DE60303209T DE60303209T DE60303209D1 DE 60303209 D1 DE60303209 D1 DE 60303209D1 DE 60303209 T DE60303209 T DE 60303209T DE 60303209 T DE60303209 T DE 60303209T DE 60303209 D1 DE60303209 D1 DE 60303209D1
Authority
DE
Germany
Prior art keywords
channels
audio signal
audiocoding
parametric
common frequency
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
DE60303209T
Other languages
English (en)
Other versions
DE60303209T2 (de
Inventor
De Par L Van
G Kohlrausch
Brinker C Den
G Schuijers
Schijndel H Van
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.)
Pendragon Wireless LLC
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
Publication of DE60303209D1 publication Critical patent/DE60303209D1/de
Application granted granted Critical
Publication of DE60303209T2 publication Critical patent/DE60303209T2/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
    • G10L19/04—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
DE60303209T 2002-02-18 2003-01-17 Parametrische audiocodierung Expired - Lifetime DE60303209T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP02075639 2002-02-18
EP02075639 2002-02-18
PCT/IB2003/000108 WO2003069954A2 (en) 2002-02-18 2003-01-17 Parametric audio coding

Publications (2)

Publication Number Publication Date
DE60303209D1 true DE60303209D1 (de) 2006-04-06
DE60303209T2 DE60303209T2 (de) 2006-08-31

Family

ID=27675723

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60303209T Expired - Lifetime DE60303209T2 (de) 2002-02-18 2003-01-17 Parametrische audiocodierung

Country Status (10)

Country Link
US (1) US20050078832A1 (de)
EP (1) EP1479071B1 (de)
JP (1) JP4347698B2 (de)
KR (1) KR20040080003A (de)
CN (1) CN1705980A (de)
AT (1) ATE315823T1 (de)
AU (1) AU2003201097A1 (de)
DE (1) DE60303209T2 (de)
ES (1) ES2255678T3 (de)
WO (1) WO2003069954A2 (de)

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AU2012208987B2 (en) * 2004-03-01 2012-12-20 Dolby Laboratories Licensing Corporation Multichannel Audio Coding
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US7805313B2 (en) 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
ATE474310T1 (de) * 2004-05-28 2010-07-15 Nokia Corp Mehrkanalige audio-erweiterung
US7508947B2 (en) 2004-08-03 2009-03-24 Dolby Laboratories Licensing Corporation Method for combining audio signals using auditory scene analysis
US7720230B2 (en) 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
US8204261B2 (en) 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
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US7761304B2 (en) 2004-11-30 2010-07-20 Agere Systems Inc. Synchronizing parametric coding of spatial audio with externally provided downmix
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
WO2006060279A1 (en) 2004-11-30 2006-06-08 Agere Systems Inc. Parametric coding of spatial audio with object-based side information
EP1814104A4 (de) * 2004-11-30 2008-12-31 Panasonic Corp Stereo-codierungsvorrichtung, stereo-decodierungsvorrichtung und ihre verfahren
US7903824B2 (en) 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
BRPI0608756B1 (pt) * 2005-03-30 2019-06-04 Koninklijke Philips N. V. Codificador e decodificador de áudio de multicanais, método para codificar e decodificar um sinal de áudio de n canais, sinal de áudio de multicanais codificado para um sinal de áudio de n canais e sistema de transmissão
US7751572B2 (en) * 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
JP5191886B2 (ja) 2005-06-03 2013-05-08 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 サイド情報を有するチャンネルの再構成
CN101213592B (zh) * 2005-07-06 2011-10-19 皇家飞利浦电子股份有限公司 用于参量多声道解码的设备和方法
JP5171256B2 (ja) * 2005-08-31 2013-03-27 パナソニック株式会社 ステレオ符号化装置、ステレオ復号装置、及びステレオ符号化方法
KR20080073925A (ko) * 2007-02-07 2008-08-12 삼성전자주식회사 파라메트릭 부호화된 오디오 신호를 복호화하는 방법 및장치
KR20090008611A (ko) * 2007-07-18 2009-01-22 삼성전자주식회사 오디오 신호의 인코딩 방법 및 장치
KR101346771B1 (ko) * 2007-08-16 2013-12-31 삼성전자주식회사 심리 음향 모델에 따른 마스킹 값보다 작은 정현파 신호를효율적으로 인코딩하는 방법 및 장치, 그리고 인코딩된오디오 신호를 디코딩하는 방법 및 장치
US8385556B1 (en) * 2007-08-17 2013-02-26 Dts, Inc. Parametric stereo conversion system and method
KR101425354B1 (ko) * 2007-08-28 2014-08-06 삼성전자주식회사 오디오 신호의 연속 정현파 신호를 인코딩하는 방법 및장치와 디코딩 방법 및 장치
CN105225667B (zh) 2009-03-17 2019-04-05 杜比国际公司 编码器系统、解码器系统、编码方法和解码方法
US9055374B2 (en) * 2009-06-24 2015-06-09 Arizona Board Of Regents For And On Behalf Of Arizona State University Method and system for determining an auditory pattern of an audio segment
FR2966634A1 (fr) * 2010-10-22 2012-04-27 France Telecom Codage/decodage parametrique stereo ameliore pour les canaux en opposition de phase
JP6163545B2 (ja) 2012-06-14 2017-07-12 ドルビー・インターナショナル・アーベー 可変数の受信チャネルに基づくマルチチャネル・オーディオ・レンダリングのためのなめらかな構成切り換え
WO2017064264A1 (en) * 2015-10-15 2017-04-20 Huawei Technologies Co., Ltd. Method and appratus for sinusoidal encoding and decoding
EP3467824B1 (de) * 2017-10-03 2021-04-21 Dolby Laboratories Licensing Corporation Verfahren und system zur codierung zwischen kanälen
CN112216301B (zh) * 2020-11-17 2022-04-29 东南大学 基于对数幅度谱和耳间相位差的深度聚类语音分离方法

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Also Published As

Publication number Publication date
JP4347698B2 (ja) 2009-10-21
WO2003069954A2 (en) 2003-08-21
US20050078832A1 (en) 2005-04-14
ES2255678T3 (es) 2006-07-01
KR20040080003A (ko) 2004-09-16
ATE315823T1 (de) 2006-02-15
EP1479071A2 (de) 2004-11-24
AU2003201097A8 (en) 2003-09-04
EP1479071B1 (de) 2006-01-11
DE60303209T2 (de) 2006-08-31
WO2003069954A3 (en) 2003-11-13
JP2005517987A (ja) 2005-06-16
AU2003201097A1 (en) 2003-09-04
CN1705980A (zh) 2005-12-07

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Legal Events

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8327 Change in the person/name/address of the patent owner

Owner name: IPG ELECTRONICS 503 LTD., ST. PETER PORT, GUER, GB

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