SG11201600466PA - Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals - Google Patents

Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals

Info

Publication number
SG11201600466PA
SG11201600466PA SG11201600466PA SG11201600466PA SG11201600466PA SG 11201600466P A SG11201600466P A SG 11201600466PA SG 11201600466P A SG11201600466P A SG 11201600466PA SG 11201600466P A SG11201600466P A SG 11201600466PA SG 11201600466P A SG11201600466P A SG 11201600466PA
Authority
SG
Singapore
Prior art keywords
audio
channel audio
decorrelation
methods
computer program
Prior art date
Application number
SG11201600466PA
Inventor
Sascha Disch
Harald Fuchs
Oliver Hellmuth
Jürgen Herre
Adrian Murtaza
Jouni Paulus
Falko Ridderbusch
Leon Terentiv
Original Assignee
Fraunhofer Ges Forschung
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
Priority claimed from EP20130189345 external-priority patent/EP2830334A1/en
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of SG11201600466PA publication Critical patent/SG11201600466PA/en

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02Systems 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
    • 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 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • 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)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (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)
SG11201600466PA 2013-07-22 2014-07-17 Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals SG11201600466PA (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP13177374 2013-07-22
EP20130189345 EP2830334A1 (en) 2013-07-22 2013-10-18 Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
EP14161611 2014-03-25
PCT/EP2014/065397 WO2015011015A1 (en) 2013-07-22 2014-07-17 Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals

Publications (1)

Publication Number Publication Date
SG11201600466PA true SG11201600466PA (en) 2016-02-26

Family

ID=52392762

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201600466PA SG11201600466PA (en) 2013-07-22 2014-07-17 Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals

Country Status (17)

Country Link
US (2) US10431227B2 (en)
EP (1) EP3022949B1 (en)
JP (2) JP6449877B2 (en)
KR (1) KR101829822B1 (en)
CN (1) CN105612766B (en)
AU (1) AU2014295207B2 (en)
BR (1) BR112016001250B1 (en)
CA (1) CA2919080C (en)
ES (1) ES2653975T3 (en)
MX (1) MX361115B (en)
MY (1) MY195412A (en)
PL (1) PL3022949T3 (en)
PT (1) PT3022949T (en)
RU (1) RU2665917C2 (en)
SG (1) SG11201600466PA (en)
TW (1) TWI601408B (en)
WO (1) WO2015011015A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106303897A (en) 2015-06-01 2017-01-04 杜比实验室特许公司 Process object-based audio signal
US10891962B2 (en) 2017-03-06 2021-01-12 Dolby International Ab Integrated reconstruction and rendering of audio signals
WO2018162472A1 (en) * 2017-03-06 2018-09-13 Dolby International Ab Integrated reconstruction and rendering of audio signals
US11004457B2 (en) * 2017-10-18 2021-05-11 Htc Corporation Sound reproducing method, apparatus and non-transitory computer readable storage medium thereof
WO2019197404A1 (en) * 2018-04-11 2019-10-17 Dolby International Ab Methods, apparatus and systems for 6dof audio rendering and data representations and bitstream structures for 6dof audio rendering
WO2019197349A1 (en) 2018-04-11 2019-10-17 Dolby International Ab Methods, apparatus and systems for a pre-rendered signal for audio rendering
EP3588495A1 (en) * 2018-06-22 2020-01-01 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Multichannel audio coding
CA3091241A1 (en) * 2018-07-02 2020-01-09 Dolby Laboratories Licensing Corporation Methods and devices for generating or decoding a bitstream comprising immersive audio signals
RU2769788C1 (en) * 2018-07-04 2022-04-06 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Encoder, multi-signal decoder and corresponding methods using signal whitening or signal post-processing
KR20220025107A (en) * 2019-06-14 2022-03-03 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. Parameter encoding and decoding
CN114080822B (en) * 2019-06-20 2023-11-03 杜比实验室特许公司 Rendering of M channel input on S speakers
GB201909133D0 (en) * 2019-06-25 2019-08-07 Nokia Technologies Oy Spatial audio representation and rendering
TWI703559B (en) * 2019-07-08 2020-09-01 瑞昱半導體股份有限公司 Audio codec circuit and method for processing audio data
KR102300177B1 (en) * 2019-09-17 2021-09-08 난징 트월링 테크놀로지 컴퍼니 리미티드 Immersive Audio Rendering Methods and Systems
GB2594265A (en) * 2020-04-20 2021-10-27 Nokia Technologies Oy Apparatus, methods and computer programs for enabling rendering of spatial audio signals
CN114067810A (en) * 2020-07-31 2022-02-18 华为技术有限公司 Audio signal rendering method and device
WO2023210978A1 (en) * 2022-04-28 2023-11-02 삼성전자 주식회사 Apparatus and method for processing multi-channel audio signal

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1973318B (en) * 2002-10-14 2012-01-25 汤姆森许可贸易公司 Method and device for coding and decoding the presentation of an audio signal
ATE527654T1 (en) 2004-03-01 2011-10-15 Dolby Lab Licensing Corp MULTI-CHANNEL AUDIO CODING
WO2007109338A1 (en) 2006-03-21 2007-09-27 Dolby Laboratories Licensing Corporation Low bit rate audio encoding and decoding
CN102122509B (en) 2004-04-05 2016-03-23 皇家飞利浦电子股份有限公司 Multi-channel encoder and multi-channel encoding method
TWI393121B (en) * 2004-08-25 2013-04-11 Dolby Lab Licensing Corp Method and apparatus for processing a set of n audio signals, and computer program associated therewith
SE0402649D0 (en) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
SE0402652D0 (en) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi-channel reconstruction
AU2006255662B2 (en) 2005-06-03 2012-08-23 Dolby Laboratories Licensing Corporation Apparatus and method for encoding audio signals with decoding instructions
US8626503B2 (en) * 2005-07-14 2014-01-07 Erik Gosuinus Petrus Schuijers Audio encoding and decoding
KR20070025905A (en) * 2005-08-30 2007-03-08 엘지전자 주식회사 Method of effective sampling frequency bitstream composition for multi-channel audio coding
CN101278598B (en) 2005-10-07 2011-05-25 松下电器产业株式会社 Acoustic signal processing device and acoustic signal processing method
KR100888474B1 (en) * 2005-11-21 2009-03-12 삼성전자주식회사 Apparatus and method for encoding/decoding multichannel audio signal
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 Method and apparatus for scalable channel decoding
ES2446245T3 (en) * 2006-01-19 2014-03-06 Lg Electronics Inc. Method and apparatus for processing a media signal
KR100773560B1 (en) 2006-03-06 2007-11-05 삼성전자주식회사 Method and apparatus for synthesizing stereo signal
ATE505912T1 (en) * 2006-03-28 2011-04-15 Fraunhofer Ges Forschung IMPROVED SIGNAL SHAPING METHOD IN MULTI-CHANNEL AUDIO DESIGN
CN101411214B (en) * 2006-03-28 2011-08-10 艾利森电话股份有限公司 Method and arrangement for a decoder for multi-channel surround sound
WO2007123788A2 (en) 2006-04-03 2007-11-01 Srs Labs, Inc. Audio signal processing
US8027479B2 (en) * 2006-06-02 2011-09-27 Coding Technologies Ab Binaural multi-channel decoder in the context of non-energy conserving upmix rules
AU2007312597B2 (en) * 2006-10-16 2011-04-14 Dolby International Ab Apparatus and method for multi -channel parameter transformation
CN103400583B (en) 2006-10-16 2016-01-20 杜比国际公司 Enhancing coding and the Parametric Representation of object coding is mixed under multichannel
BRPI0719884B1 (en) 2006-12-07 2020-10-27 Lg Eletronics Inc computer-readable method, device and media to decode an audio signal
JP5133401B2 (en) 2007-04-26 2013-01-30 ドルビー・インターナショナル・アクチボラゲット Output signal synthesis apparatus and synthesis method
WO2009039897A1 (en) 2007-09-26 2009-04-02 Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Apparatus and method for extracting an ambient signal in an apparatus and method for obtaining weighting coefficients for extracting an ambient signal and computer program
WO2009046909A1 (en) * 2007-10-09 2009-04-16 Koninklijke Philips Electronics N.V. Method and apparatus for generating a binaural audio signal
JP5883561B2 (en) 2007-10-17 2016-03-15 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 Speech encoder using upmix
EP2093911A3 (en) * 2007-11-28 2010-01-13 Lg Electronics Inc. Receiving system and audio data processing method thereof
KR101147780B1 (en) * 2008-01-01 2012-06-01 엘지전자 주식회사 A method and an apparatus for processing an audio signal
US8335331B2 (en) * 2008-01-18 2012-12-18 Microsoft Corporation Multichannel sound rendering via virtualization in a stereo loudspeaker system
US20090194756A1 (en) 2008-01-31 2009-08-06 Kau Derchang Self-aligned eletrode phase change memory
EP2248352B1 (en) * 2008-02-14 2013-01-23 Dolby Laboratories Licensing Corporation Stereophonic widening
EP2304721B1 (en) * 2008-06-26 2012-05-09 France Telecom Spatial synthesis of multichannel audio signals
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
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
ES2452569T3 (en) * 2009-04-08 2014-04-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device, procedure and computer program for mixing upstream audio signal with downstream mixing using phase value smoothing
MY154078A (en) * 2009-06-24 2015-04-30 Fraunhofer Ges Forschung Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages
CN102171754B (en) 2009-07-31 2013-06-26 松下电器产业株式会社 Coding device and decoding device
TWI433137B (en) * 2009-09-10 2014-04-01 Dolby Int Ab Improvement of an audio signal of an fm stereo radio receiver by using parametric stereo
EP2586025A4 (en) * 2010-07-20 2015-03-11 Huawei Tech Co Ltd Audio signal synthesizer
MY178197A (en) 2010-08-25 2020-10-06 Fraunhofer Ges Forschung Apparatus for generating a decorrelated signal using transmitted phase information
RU2618383C2 (en) * 2011-11-01 2017-05-03 Конинклейке Филипс Н.В. Encoding and decoding of audio objects
EP2956935B1 (en) 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals

Also Published As

Publication number Publication date
CN105612766B (en) 2018-07-27
JP2016528811A (en) 2016-09-15
JP6449877B2 (en) 2019-01-09
PL3022949T3 (en) 2018-04-30
JP6777700B2 (en) 2020-10-28
RU2665917C2 (en) 2018-09-04
MX361115B (en) 2018-11-28
MY195412A (en) 2023-01-19
TWI601408B (en) 2017-10-01
BR112016001250B1 (en) 2022-07-26
AU2014295207A1 (en) 2016-03-10
TW201521469A (en) 2015-06-01
JP2019032541A (en) 2019-02-28
RU2016105755A (en) 2017-08-25
US20180350375A1 (en) 2018-12-06
US10431227B2 (en) 2019-10-01
CA2919080C (en) 2018-06-05
CA2919080A1 (en) 2015-01-29
KR101829822B1 (en) 2018-03-29
AU2014295207B2 (en) 2017-02-02
KR20160039634A (en) 2016-04-11
US20160247507A1 (en) 2016-08-25
MX2016000902A (en) 2016-05-31
EP3022949B1 (en) 2017-10-18
EP3022949A1 (en) 2016-05-25
CN105612766A (en) 2016-05-25
ES2653975T3 (en) 2018-02-09
PT3022949T (en) 2018-01-23
WO2015011015A1 (en) 2015-01-29
BR112016001250A2 (en) 2017-07-25

Similar Documents

Publication Publication Date Title
SG11201600466PA (en) Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
ZA201601081B (en) Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using residual-signal-based adjustment of a contribution of a decorrelated signal
ZA201601078B (en) Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
ZA201601047B (en) Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals
ZA201601010B (en) Apparatus, method and computer program for decoding an encoded audio signal
HK1218179A1 (en) Audio encoder, audio decoder, method for providing an encoded audio information, method for providing a decoded audio information, computer program and encoded representation using a signal-adaptive bandwidth extension
HK1214882A1 (en) Stereo audio encoder and decoder
HK1250836A1 (en) Audio encoder and decoder
TWI560702B (en) Audio signal processing decoder and encoder, system, method of processing input audio signal, computer program
HK1217246A1 (en) Audio encoder and decoder
EP3007469A4 (en) Audio signal output device and method, encoding device and method, decoding device and method, and program
HK1213080A1 (en) Audio encoder and decoder
HK1218180A1 (en) Coding of multichannel audio content
EP3023984A4 (en) Encoder and encoding method for multichannel signal, and decoder and decoding method for multichannel signal
TH1601000314A (en) Multi-channel audio decoder Multi-channel audio encoder, method, computer program and phonological representations that are encoded using Decorrelation of the rendered audio signal