ATE557386T1 - Raumsynthese mehrkanaliger tonsignale - Google Patents

Raumsynthese mehrkanaliger tonsignale

Info

Publication number
ATE557386T1
ATE557386T1 AT09794018T AT09794018T ATE557386T1 AT E557386 T1 ATE557386 T1 AT E557386T1 AT 09794018 T AT09794018 T AT 09794018T AT 09794018 T AT09794018 T AT 09794018T AT E557386 T1 ATE557386 T1 AT E557386T1
Authority
AT
Austria
Prior art keywords
signal
synthesis
output signals
sum signal
sound signals
Prior art date
Application number
AT09794018T
Other languages
English (en)
Inventor
Florent Jaillet
David Virette
Original Assignee
France Telecom
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 France Telecom filed Critical France Telecom
Application granted granted Critical
Publication of ATE557386T1 publication Critical patent/ATE557386T1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT09794018T 2008-06-26 2009-06-16 Raumsynthese mehrkanaliger tonsignale ATE557386T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0854282 2008-06-26
PCT/FR2009/051146 WO2010004155A1 (fr) 2008-06-26 2009-06-16 Synthese spatiale de signaux audio multicanaux

Publications (1)

Publication Number Publication Date
ATE557386T1 true ATE557386T1 (de) 2012-05-15

Family

ID=40328191

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09794018T ATE557386T1 (de) 2008-06-26 2009-06-16 Raumsynthese mehrkanaliger tonsignale

Country Status (7)

Country Link
US (1) US8583424B2 (de)
EP (1) EP2304721B1 (de)
JP (1) JP5366104B2 (de)
CN (1) CN102077276B (de)
AT (1) ATE557386T1 (de)
ES (1) ES2387867T3 (de)
WO (1) WO2010004155A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2362376A3 (de) * 2010-02-26 2011-11-02 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Gerät und verfahren zur¨änderung eines audiosignals durch hüllkurvenenformung
EP2369861B1 (de) * 2010-03-25 2016-07-27 Nxp B.V. Verarbeitung eines Mehrkanal-Audiosignals
KR101756838B1 (ko) 2010-10-13 2017-07-11 삼성전자주식회사 다채널 오디오 신호를 다운 믹스하는 방법 및 장치
KR101842257B1 (ko) * 2011-09-14 2018-05-15 삼성전자주식회사 신호 처리 방법, 그에 따른 엔코딩 장치, 및 그에 따른 디코딩 장치
EP2880654B1 (de) * 2012-08-03 2017-09-13 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Parametrisches verfahren zur kodierung räumlicher audioobjekte (g-saoc) für die multikanalmischung und -entmischung
EP2717263B1 (de) 2012-10-05 2016-11-02 Nokia Technologies Oy Verfahren, Vorrichtung und Computerprogrammprodukt zur kategorischen räumlichen Analyse-Synthese des Spektrums eines Mehrkanal-Audiosignals
SG11201600466PA (en) * 2013-07-22 2016-02-26 Fraunhofer Ges Forschung Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
EP2830334A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Mehrkanaliger Audiodecodierer, mehrkanaliger Audiocodierer, Verfahren, Computerprogramm und codierte Audiodarstellung unter Verwendung einer Dekorrelation gerenderter Audiosignale
TWI671734B (zh) 2013-09-12 2019-09-11 瑞典商杜比國際公司 在包含三個音訊聲道的多聲道音訊系統中之解碼方法、編碼方法、解碼裝置及編碼裝置、包含用於執行解碼方法及編碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置及編碼裝置的音訊系統
KR20160081844A (ko) * 2014-12-31 2016-07-08 한국전자통신연구원 다채널 오디오 신호의 인코딩 방법 및 상기 인코딩 방법을 수행하는 인코딩 장치, 그리고, 다채널 오디오 신호의 디코딩 방법 및 상기 디코딩 방법을 수행하는 디코딩 장치
WO2016108655A1 (ko) 2014-12-31 2016-07-07 한국전자통신연구원 다채널 오디오 신호의 인코딩 방법 및 상기 인코딩 방법을 수행하는 인코딩 장치, 그리고, 다채널 오디오 신호의 디코딩 방법 및 상기 디코딩 방법을 수행하는 디코딩 장치
FR3048808A1 (fr) * 2016-03-10 2017-09-15 Orange Codage et decodage optimise d'informations de spatialisation pour le codage et le decodage parametrique d'un signal audio multicanal
CN111407268B (zh) * 2020-03-27 2021-05-14 华南理工大学 一种基于相关函数的多通道脑电信号压缩方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US5835375A (en) * 1996-01-02 1998-11-10 Ati Technologies Inc. Integrated MPEG audio decoder and signal processor
DE19632734A1 (de) * 1996-08-14 1998-02-19 Thomson Brandt Gmbh Verfahren und Vorrichtung zum Generieren eines Mehrton-Signals aus einem Mono-Signal
US6199039B1 (en) * 1998-08-03 2001-03-06 National Science Council Synthesis subband filter in MPEG-II audio decoding
US7006636B2 (en) * 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
DE60311794C5 (de) 2002-04-22 2022-11-10 Koninklijke Philips N.V. Signalsynthese
ATE341923T1 (de) * 2002-08-07 2006-10-15 Dolby Lab Licensing Corp Audiokanalumsetzung
KR100923297B1 (ko) * 2002-12-14 2009-10-23 삼성전자주식회사 스테레오 오디오 부호화 방법, 그 장치, 복호화 방법 및그 장치

Also Published As

Publication number Publication date
JP5366104B2 (ja) 2013-12-11
CN102077276B (zh) 2014-04-09
ES2387867T3 (es) 2012-10-03
CN102077276A (zh) 2011-05-25
US8583424B2 (en) 2013-11-12
WO2010004155A1 (fr) 2010-01-14
EP2304721B1 (de) 2012-05-09
US20110106543A1 (en) 2011-05-05
JP2011525999A (ja) 2011-09-29
EP2304721A1 (de) 2011-04-06

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