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SG11201602628TA - Decorrelator structure for parametric reconstruction of audio signals - Google Patents

Decorrelator structure for parametric reconstruction of audio signals

Info

Publication number
SG11201602628TA
SG11201602628TA SG11201602628TA SG11201602628TA SG11201602628TA SG 11201602628T A SG11201602628T A SG 11201602628TA SG 11201602628T A SG11201602628T A SG 11201602628TA SG 11201602628T A SG11201602628T A SG 11201602628TA SG 11201602628T A SG11201602628T A SG 11201602628TA
Authority
SG
Singapore
Prior art keywords
audio signals
parametric reconstruction
decorrelator
decorrelator structure
parametric
Prior art date
Application number
SG11201602628TA
Inventor
Lars Villemoes
Toni Hirvonen
Heiko Purnhagen
Original Assignee
Dolby Int Ab
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 Dolby Int Ab filed Critical Dolby Int Ab
Publication of SG11201602628TA publication Critical patent/SG11201602628TA/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/002Dynamic bit allocation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21Speech 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 power information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
SG11201602628TA 2013-10-21 2014-10-21 Decorrelator structure for parametric reconstruction of audio signals SG11201602628TA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361893770P 2013-10-21 2013-10-21
US201461973646P 2014-04-01 2014-04-01
PCT/EP2014/072568 WO2015059152A1 (en) 2013-10-21 2014-10-21 Decorrelator structure for parametric reconstruction of audio signals

Publications (1)

Publication Number Publication Date
SG11201602628TA true SG11201602628TA (en) 2016-05-30

Family

ID=51830286

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201602628TA SG11201602628TA (en) 2013-10-21 2014-10-21 Decorrelator structure for parametric reconstruction of audio signals

Country Status (15)

Country Link
US (1) US9848272B2 (en)
EP (1) EP3061088B1 (en)
JP (1) JP6201047B2 (en)
KR (1) KR101805327B1 (en)
CN (1) CN105637581B (en)
AU (1) AU2014339065B2 (en)
BR (1) BR112016008426B1 (en)
CA (1) CA2926243C (en)
ES (1) ES2659019T3 (en)
IL (1) IL244785B (en)
MX (1) MX354832B (en)
RU (1) RU2641463C2 (en)
SG (1) SG11201602628TA (en)
UA (1) UA117258C2 (en)
WO (1) WO2015059152A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113242508B (en) 2017-03-06 2022-12-06 杜比国际公司 Method, decoder system, and medium for rendering audio output based on audio data stream
WO2018162472A1 (en) 2017-03-06 2018-09-13 Dolby International Ab Integrated reconstruction and rendering of audio signals
KR102799690B1 (en) 2019-06-14 2025-04-23 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. Parameter encoding and decoding
FR3112015A1 (en) * 2020-06-30 2021-12-31 Orange Optimized coding of information representative of a spatial image of a multichannel audio signal
AU2021393468A1 (en) 2020-12-02 2023-07-20 Dolby International Ab Immersive voice and audio services (ivas) with adaptive downmix strategies

Family Cites Families (45)

* 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
US6252965B1 (en) * 1996-09-19 2001-06-26 Terry D. Beard Multichannel spectral mapping audio apparatus and method
GB2343347B (en) 1998-06-20 2002-12-31 Central Research Lab Ltd A method of synthesising an audio signal
ES2323294T3 (en) 2002-04-22 2009-07-10 Koninklijke Philips Electronics N.V. DECODING DEVICE WITH A DECORRELATION UNIT.
US7502743B2 (en) 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
KR101169596B1 (en) 2003-04-17 2012-07-30 코닌클리케 필립스 일렉트로닉스 엔.브이. Audio signal synthesis
US7394903B2 (en) 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
CA2992125C (en) 2004-03-01 2018-09-25 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters
SE0400998D0 (en) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
SE0402652D0 (en) 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi-channel reconstruction
SE0402649D0 (en) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
RU2407068C2 (en) * 2004-11-04 2010-12-20 Конинклейке Филипс Электроникс Н.В. Multichannel coding and decoding
DE602006007139D1 (en) 2005-07-14 2009-07-16 Dolby Sweden Ab AUDIO CODING AND AUDIO CODING
US8626503B2 (en) 2005-07-14 2014-01-07 Erik Gosuinus Petrus Schuijers Audio encoding and decoding
JP4918490B2 (en) 2005-09-02 2012-04-18 パナソニック株式会社 Energy shaping device and energy shaping method
KR100888474B1 (en) * 2005-11-21 2009-03-12 삼성전자주식회사 Apparatus and method for encoding/decoding multichannel audio signal
WO2007078254A2 (en) 2006-01-05 2007-07-12 Telefonaktiebolaget Lm Ericsson (Publ) Personalized decoding of multi-channel surround sound
KR101218776B1 (en) 2006-01-11 2013-01-18 삼성전자주식회사 Method of generating multi-channel signal from down-mixed signal and computer-readable medium
KR100803212B1 (en) 2006-01-11 2008-02-14 삼성전자주식회사 Scalable channel decoding method and apparatus
EP1994796A1 (en) * 2006-03-15 2008-11-26 Dolby Laboratories Licensing Corporation Binaural rendering using subband filters
US7965848B2 (en) 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
BRPI0809760B1 (en) 2007-04-26 2020-12-01 Dolby International Ab apparatus and method for synthesizing an output signal
KR101464977B1 (en) 2007-10-01 2014-11-25 삼성전자주식회사 Memory management method, and method and apparatus for decoding multi-channel data
ES2461601T3 (en) * 2007-10-09 2014-05-20 Koninklijke Philips N.V. Procedure and apparatus for generating a binaural audio signal
US8091836B2 (en) * 2007-12-19 2012-01-10 Pratt & Whitney Rocketdyne, Inc. Rotary wing system with ion field flow control
US8811621B2 (en) 2008-05-23 2014-08-19 Koninklijke Philips N.V. Parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder
EP2144229A1 (en) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Efficient use of phase information in audio encoding and decoding
US8258849B2 (en) * 2008-09-25 2012-09-04 Lg Electronics Inc. Method and an apparatus for processing a signal
KR101108061B1 (en) * 2008-09-25 2012-01-25 엘지전자 주식회사 Signal processing method and apparatus thereof
EP2175670A1 (en) 2008-10-07 2010-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Binaural rendering of a multi-channel audio signal
EP2214162A1 (en) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Upmixer, method and computer program for upmixing a downmix audio signal
CN102257563B (en) 2009-04-08 2013-09-25 弗劳恩霍夫应用研究促进协会 Apparatus and method for upmixing a downmixed audio signal using phase value smoothing
KR20120006060A (en) 2009-04-21 2012-01-17 코닌클리케 필립스 일렉트로닉스 엔.브이. Audio signal synthesis
JP5678048B2 (en) * 2009-06-24 2015-02-25 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ Audio signal decoder using cascaded audio object processing stages, method for decoding audio signal, and computer program
JP5793675B2 (en) 2009-07-31 2015-10-14 パナソニックIpマネジメント株式会社 Encoding device and decoding device
ES2529219T3 (en) * 2009-10-20 2015-02-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus for providing a representation of upstream signal based on the representation of a downlink signal, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer program and a bitstream which uses a distortion control signaling
EP2360681A1 (en) 2010-01-15 2011-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
TWI516138B (en) * 2010-08-24 2016-01-01 杜比國際公司 System and method of determining a parametric stereo parameter from a two-channel audio signal and computer program product thereof
CN103180898B (en) * 2010-08-25 2015-04-08 弗兰霍菲尔运输应用研究公司 Apparatus for decoding a signal comprising transients using a combining unit and a mixer
WO2012045203A1 (en) 2010-10-05 2012-04-12 Huawei Technologies Co., Ltd. Method and apparatus for encoding/decoding multichannel audio signal
EP2477188A1 (en) * 2011-01-18 2012-07-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of slot positions of events in an audio signal frame
US9042867B2 (en) 2012-02-24 2015-05-26 Agnitio S.L. System and method for speaker recognition on mobile devices
EP2817802B1 (en) 2012-02-24 2016-12-07 Dolby International AB Audio processing
KR101761099B1 (en) 2013-05-24 2017-07-25 돌비 인터네셔널 에이비 Methods for audio encoding and decoding, corresponding computer-readable media and corresponding audio encoder and decoder
EP3061089B1 (en) * 2013-10-21 2018-01-17 Dolby International AB Parametric reconstruction of audio signals

Also Published As

Publication number Publication date
EP3061088B1 (en) 2017-12-27
JP6201047B2 (en) 2017-09-20
AU2014339065B2 (en) 2017-04-20
CA2926243C (en) 2018-01-23
IL244785A0 (en) 2016-04-21
WO2015059152A1 (en) 2015-04-30
JP2016539358A (en) 2016-12-15
BR112016008426A2 (en) 2017-08-01
US9848272B2 (en) 2017-12-19
BR112016008426B1 (en) 2022-09-27
RU2641463C2 (en) 2018-01-17
MX2016004918A (en) 2016-07-11
UA117258C2 (en) 2018-07-10
CN105637581A (en) 2016-06-01
EP3061088A1 (en) 2016-08-31
AU2014339065A1 (en) 2016-04-21
MX354832B (en) 2018-03-21
US20160261967A1 (en) 2016-09-08
CN105637581B (en) 2019-09-20
RU2016115360A (en) 2017-11-28
ES2659019T3 (en) 2018-03-13
KR101805327B1 (en) 2017-12-05
IL244785B (en) 2019-02-28
KR20160056324A (en) 2016-05-19
CA2926243A1 (en) 2015-04-30

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