ATE531036T1 - Einrichtung und verfahren zur codierung durch hauptkomponentenanalyse eines mehrkanaligen audiosignals - Google Patents

Einrichtung und verfahren zur codierung durch hauptkomponentenanalyse eines mehrkanaligen audiosignals

Info

Publication number
ATE531036T1
ATE531036T1 AT07731712T AT07731712T ATE531036T1 AT E531036 T1 ATE531036 T1 AT E531036T1 AT 07731712 T AT07731712 T AT 07731712T AT 07731712 T AT07731712 T AT 07731712T AT E531036 T1 ATE531036 T1 AT E531036T1
Authority
AT
Austria
Prior art keywords
audio signal
frequency sub
channel audio
coding
component analysis
Prior art date
Application number
AT07731712T
Other languages
English (en)
Inventor
Manuel Briand
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 ATE531036T1 publication Critical patent/ATE531036T1/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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/233—Processing of audio elementary streams

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
AT07731712T 2006-03-15 2007-03-08 Einrichtung und verfahren zur codierung durch hauptkomponentenanalyse eines mehrkanaligen audiosignals ATE531036T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0650882 2006-03-15
PCT/FR2007/050896 WO2007104882A1 (fr) 2006-03-15 2007-03-08 Dispositif et procede de codage par analyse en composante principale d'un signal audio multi-canal

Publications (1)

Publication Number Publication Date
ATE531036T1 true ATE531036T1 (de) 2011-11-15

Family

ID=36999863

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07731712T ATE531036T1 (de) 2006-03-15 2007-03-08 Einrichtung und verfahren zur codierung durch hauptkomponentenanalyse eines mehrkanaligen audiosignals

Country Status (7)

Country Link
US (1) US8370134B2 (de)
EP (1) EP2005420B1 (de)
JP (1) JP5166292B2 (de)
KR (1) KR101339854B1 (de)
CN (1) CN101401152B (de)
AT (1) ATE531036T1 (de)
WO (1) WO2007104882A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2486609C2 (ru) * 2008-06-19 2013-06-27 Панасоник Корпорейшн Квантователь, кодер и их способы
WO2010076460A1 (fr) * 2008-12-15 2010-07-08 France Telecom Codage perfectionne de signaux audionumériques multicanaux
WO2010070225A1 (fr) * 2008-12-15 2010-06-24 France Telecom Codage perfectionne de signaux audionumeriques multicanaux
WO2011045465A1 (en) * 2009-10-12 2011-04-21 Nokia Corporation Method, apparatus and computer program for processing multi-channel audio signals
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
JP4810621B1 (ja) * 2010-09-07 2011-11-09 シャープ株式会社 音声信号変換装置、方法、プログラム、及び記録媒体
US9030921B2 (en) * 2011-06-06 2015-05-12 General Electric Company Increased spectral efficiency and reduced synchronization delay with bundled transmissions
CN102682779B (zh) * 2012-06-06 2013-07-24 武汉大学 面向3d音频的双声道编解码方法和编解码器
EP2688066A1 (de) * 2012-07-16 2014-01-22 Thomson Licensing Verfahren und Vorrichtung zur Codierung von Mehrkanal-HOA-Audiosignalen zur Rauschreduzierung sowie Verfahren und Vorrichtung zur Decodierung von Mehrkanal-HOA-Audiosignalen zur Rauschreduzierung
US9460729B2 (en) 2012-09-21 2016-10-04 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
EP2800401A1 (de) 2013-04-29 2014-11-05 Thomson Licensing Verfahren und Vorrichtung zur Komprimierung und Dekomprimierung einer High-Order-Ambisonics-Darstellung
EP2860728A1 (de) * 2013-10-09 2015-04-15 Thomson Licensing Verfahren und Vorrichtung zur Codierung und Decodierung gerichteter Nebeninformationen
US10468036B2 (en) * 2014-04-30 2019-11-05 Accusonus, Inc. Methods and systems for processing and mixing signals using signal decomposition
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
CN105336334B (zh) * 2014-08-15 2021-04-02 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
CN105828271B (zh) * 2015-01-09 2019-07-05 南京青衿信息科技有限公司 一种将两个声道声音信号转换成三个声道信号的方法
CN105530660A (zh) * 2015-12-15 2016-04-27 厦门大学 一种基于主成分分析的信道建模方法及装置
KR102712458B1 (ko) * 2019-12-09 2024-10-04 삼성전자주식회사 오디오 출력 장치 및 오디오 출력 장치의 제어 방법
FR3112015A1 (fr) * 2020-06-30 2021-12-31 Orange Codage optimisé d’une information représentative d’une image spatiale d’un signal audio multicanal

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Publication number Priority date Publication date Assignee Title
US6292830B1 (en) * 1997-08-08 2001-09-18 Iterations Llc System for optimizing interaction among agents acting on multiple levels
US6016473A (en) * 1998-04-07 2000-01-18 Dolby; Ray M. Low bit-rate spatial coding method and system
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
CA2354755A1 (en) * 2001-08-07 2003-02-07 Dspfactory Ltd. Sound intelligibilty enhancement using a psychoacoustic model and an oversampled filterbank
EP1500085B1 (de) 2002-04-10 2013-02-20 Koninklijke Philips Electronics N.V. Kodierung von stereosignalen
KR100981694B1 (ko) * 2002-04-10 2010-09-13 코닌클리케 필립스 일렉트로닉스 엔.브이. 스테레오 신호들의 코딩
ATE377339T1 (de) * 2002-07-12 2007-11-15 Koninkl Philips Electronics Nv Audio-kodierung
US7333622B2 (en) * 2002-10-18 2008-02-19 The Regents Of The University Of California Dynamic binaural sound capture and reproduction
US7725324B2 (en) * 2003-12-19 2010-05-25 Telefonaktiebolaget Lm Ericsson (Publ) Constrained filter encoding of polyphonic signals
JP4950040B2 (ja) * 2004-06-21 2012-06-13 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ マルチチャンネルオーディオ信号を符号化及び復号する方法及び装置
US7809580B2 (en) * 2004-11-04 2010-10-05 Koninklijke Philips Electronics N.V. Encoding and decoding of multi-channel audio signals
US7751572B2 (en) * 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding

Also Published As

Publication number Publication date
CN101401152B (zh) 2012-04-18
KR20080104065A (ko) 2008-11-28
WO2007104882A1 (fr) 2007-09-20
US8370134B2 (en) 2013-02-05
JP5166292B2 (ja) 2013-03-21
US20090083044A1 (en) 2009-03-26
KR101339854B1 (ko) 2014-02-06
EP2005420B1 (de) 2011-10-26
EP2005420A1 (de) 2008-12-24
JP2009530651A (ja) 2009-08-27
CN101401152A (zh) 2009-04-01

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