SG11201603089VA - Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder - Google Patents

Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder

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Publication number
SG11201603089VA
SG11201603089VA SG11201603089VA SG11201603089VA SG11201603089VA SG 11201603089V A SG11201603089V A SG 11201603089VA SG 11201603089V A SG11201603089V A SG 11201603089VA SG 11201603089V A SG11201603089V A SG 11201603089VA SG 11201603089V A SG11201603089V A SG 11201603089VA
Authority
SG
Singapore
Prior art keywords
audio
encoder
decoder
downmix matrix
decoding
Prior art date
Application number
SG11201603089VA
Inventor
Florin Ghido
Achim Kuntz
Bernhard Grill
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
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of SG11201603089VA publication Critical patent/SG11201603089VA/en

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    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • 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
    • G10L19/0204—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 using subband decomposition
    • 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
    • G10L19/0212—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 using orthogonal transformation
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • 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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain

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)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
SG11201603089VA 2013-10-22 2014-10-13 Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder SG11201603089VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20130189770 EP2866227A1 (en) 2013-10-22 2013-10-22 Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder
PCT/EP2014/071929 WO2015058991A1 (en) 2013-10-22 2014-10-13 Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder

Publications (1)

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SG11201603089VA true SG11201603089VA (en) 2016-05-30

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US (5) US9947326B2 (en)
EP (2) EP2866227A1 (en)
JP (1) JP6313439B2 (en)
KR (1) KR101798348B1 (en)
CN (2) CN110675882B (en)
AR (1) AR098152A1 (en)
AU (1) AU2014339167B2 (en)
BR (1) BR112016008787B1 (en)
CA (1) CA2926986C (en)
ES (1) ES2655046T3 (en)
MX (1) MX353997B (en)
MY (1) MY176779A (en)
PL (1) PL3061087T3 (en)
PT (1) PT3061087T (en)
RU (1) RU2648588C2 (en)
SG (1) SG11201603089VA (en)
TW (1) TWI571866B (en)
WO (1) WO2015058991A1 (en)
ZA (1) ZA201603298B (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2830051A3 (en) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
EP2866227A1 (en) * 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder
US10490197B2 (en) 2015-06-17 2019-11-26 Samsung Electronics Co., Ltd. Method and device for processing internal channels for low complexity format conversion
WO2016204579A1 (en) * 2015-06-17 2016-12-22 삼성전자 주식회사 Method and device for processing internal channels for low complexity format conversion
KR102627374B1 (en) * 2015-06-17 2024-01-19 삼성전자주식회사 Internal channel processing method and device for low-computation format conversion
JP6921832B2 (en) * 2016-02-03 2021-08-18 ドルビー・インターナショナル・アーベー Efficient format conversion in audio coding
EP3453190A4 (en) 2016-05-06 2020-01-15 DTS, Inc. Immersive audio reproduction systems
CN109716794B (en) * 2016-09-20 2021-07-13 索尼公司 Information processing apparatus, information processing method, and computer-readable storage medium
US10075789B2 (en) * 2016-10-11 2018-09-11 Dts, Inc. Gain phase equalization (GPEQ) filter and tuning methods for asymmetric transaural audio reproduction
US10659906B2 (en) * 2017-01-13 2020-05-19 Qualcomm Incorporated Audio parallax for virtual reality, augmented reality, and mixed reality
US10979844B2 (en) 2017-03-08 2021-04-13 Dts, Inc. Distributed audio virtualization systems
CN110800048B (en) * 2017-05-09 2023-07-28 杜比实验室特许公司 Processing of multichannel spatial audio format input signals
US11089425B2 (en) * 2017-06-27 2021-08-10 Lg Electronics Inc. Audio playback method and audio playback apparatus in six degrees of freedom environment
JP7222668B2 (en) * 2017-11-17 2023-02-15 日本放送協会 Sound processing device and program
WO2019121980A1 (en) 2017-12-19 2019-06-27 Dolby International Ab Methods and apparatus systems for unified speech and audio decoding improvements
GB2571572A (en) * 2018-03-02 2019-09-04 Nokia Technologies Oy Audio processing
EP3777245A1 (en) 2018-04-11 2021-02-17 Dolby International AB Methods, apparatus and systems for a pre-rendered signal for audio rendering
EP3874491B1 (en) 2018-11-02 2024-05-01 Dolby International AB Audio encoder and audio decoder
GB2582749A (en) * 2019-03-28 2020-10-07 Nokia Technologies Oy Determination of the significance of spatial audio parameters and associated encoding
CN114303190A (en) 2019-08-15 2022-04-08 杜比国际公司 Method and apparatus for generating and processing a modified audio bitstream
US20220319526A1 (en) * 2019-08-30 2022-10-06 Dolby Laboratories Licensing Corporation Channel identification of multi-channel audio signals
US12094476B2 (en) 2019-12-02 2024-09-17 Dolby Laboratories Licensing Corporation Systems, methods and apparatus for conversion from channel-based audio to object-based audio
GB2593672A (en) * 2020-03-23 2021-10-06 Nokia Technologies Oy Switching between audio instances

Family Cites Families (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6108633A (en) * 1996-05-03 2000-08-22 Lsi Logic Corporation Audio decoder core constants ROM optimization
US6697491B1 (en) * 1996-07-19 2004-02-24 Harman International Industries, Incorporated 5-2-5 matrix encoder and decoder system
US20040062401A1 (en) * 2002-02-07 2004-04-01 Davis Mark Franklin Audio channel translation
US6522270B1 (en) * 2001-12-26 2003-02-18 Sun Microsystems, Inc. Method of coding frequently occurring values
US7447317B2 (en) * 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
US8983834B2 (en) * 2004-03-01 2015-03-17 Dolby Laboratories Licensing Corporation Multichannel audio coding
US20090299756A1 (en) * 2004-03-01 2009-12-03 Dolby Laboratories Licensing Corporation Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners
RU2390857C2 (en) * 2004-04-05 2010-05-27 Конинклейке Филипс Электроникс Н.В. Multichannel coder
SE0400998D0 (en) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
US8843378B2 (en) * 2004-06-30 2014-09-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Multi-channel synthesizer and method for generating a multi-channel output signal
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
WO2006022190A1 (en) * 2004-08-27 2006-03-02 Matsushita Electric Industrial Co., Ltd. Audio encoder
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
SE0402650D0 (en) * 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding or spatial audio
US7787631B2 (en) * 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
US7903824B2 (en) * 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
KR101271069B1 (en) * 2005-03-30 2013-06-04 돌비 인터네셔널 에이비 Multi-channel audio encoder and decoder, and method of encoding and decoding
EP1829424B1 (en) * 2005-04-15 2009-01-21 Dolby Sweden AB Temporal envelope shaping of decorrelated signals
JP4988716B2 (en) * 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド Audio signal decoding method and apparatus
CA2610430C (en) * 2005-06-03 2016-02-23 Dolby Laboratories Licensing Corporation Channel reconfiguration with side information
US8032368B2 (en) * 2005-07-11 2011-10-04 Lg Electronics Inc. Apparatus and method of encoding and decoding audio signals using hierarchical block swithcing and linear prediction coding
EP1905006B1 (en) * 2005-07-19 2013-09-04 Koninklijke Philips Electronics N.V. Generation of multi-channel audio signals
US7974713B2 (en) * 2005-10-12 2011-07-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Temporal and spatial shaping of multi-channel audio signals
KR100888474B1 (en) * 2005-11-21 2009-03-12 삼성전자주식회사 Apparatus and method for encoding/decoding multichannel audio signal
WO2007083959A1 (en) * 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
US9426596B2 (en) * 2006-02-03 2016-08-23 Electronics And Telecommunications Research Institute Method and apparatus for control of randering multiobject or multichannel audio signal using spatial cue
US7965848B2 (en) * 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
US8027479B2 (en) * 2006-06-02 2011-09-27 Coding Technologies Ab Binaural multi-channel decoder in the context of non-energy conserving upmix rules
CN101506875B (en) * 2006-07-07 2012-12-19 弗劳恩霍夫应用研究促进协会 Apparatus and method for combining multiple parametrically coded audio sources
WO2008046530A2 (en) * 2006-10-16 2008-04-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for multi -channel parameter transformation
MX2009003570A (en) * 2006-10-16 2009-05-28 Dolby Sweden Ab Enhanced coding and parameter representation of multichannel downmixed object coding.
DE102006050068B4 (en) * 2006-10-24 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating an environmental signal from an audio signal, apparatus and method for deriving a multi-channel audio signal from an audio signal and computer program
AU2007328614B2 (en) * 2006-12-07 2010-08-26 Lg Electronics Inc. A method and an apparatus for processing an audio signal
AU2008215232B2 (en) * 2007-02-14 2010-02-25 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
KR101422745B1 (en) * 2007-03-30 2014-07-24 한국전자통신연구원 Apparatus and method for coding and decoding multi object audio signal with multi channel
DE102007018032B4 (en) * 2007-04-17 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Generation of decorrelated signals
RU2439719C2 (en) * 2007-04-26 2012-01-10 Долби Свиден АБ Device and method to synthesise output signal
US8588427B2 (en) * 2007-09-26 2013-11-19 Frauhnhofer-Gesellschaft Zur Foerderung 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
ES2461601T3 (en) * 2007-10-09 2014-05-20 Koninklijke Philips N.V. Procedure and apparatus for generating a binaural audio signal
DE102007048973B4 (en) * 2007-10-12 2010-11-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating a multi-channel signal with voice signal processing
EP2082396A1 (en) * 2007-10-17 2009-07-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding using downmix
ES2391801T3 (en) * 2008-01-01 2012-11-30 Lg Electronics Inc. Procedure and apparatus for processing an audio signal
US7733245B2 (en) * 2008-06-25 2010-06-08 Aclara Power-Line Systems Inc. Compression scheme for interval data
EP2154911A1 (en) * 2008-08-13 2010-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus for determining a spatial output multi-channel audio signal
KR101392546B1 (en) * 2008-09-11 2014-05-08 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal and apparatus for providing a two-channel audio signal and a set of spatial cues
US8798776B2 (en) * 2008-09-30 2014-08-05 Dolby International Ab Transcoding of audio metadata
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
CA2949616C (en) * 2009-03-17 2019-11-26 Dolby International Ab Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding
US8000485B2 (en) * 2009-06-01 2011-08-16 Dts, Inc. Virtual audio processing for loudspeaker or headphone playback
ES2524428T3 (en) * 2009-06-24 2014-12-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal decoder, procedure for decoding an audio signal and computer program using cascading stages of audio object processing
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
TWI557723B (en) * 2010-02-18 2016-11-11 杜比實驗室特許公司 Decoding method and system
US8908874B2 (en) * 2010-09-08 2014-12-09 Dts, Inc. Spatial audio encoding and reproduction
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
KR20140027954A (en) * 2011-03-16 2014-03-07 디티에스, 인코포레이티드 Encoding and reproduction of three dimensional audio soundtracks
WO2012177067A2 (en) 2011-06-21 2012-12-27 삼성전자 주식회사 Method and apparatus for processing an audio signal, and terminal employing the apparatus
EP2560161A1 (en) * 2011-08-17 2013-02-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Optimal mixing matrices and usage of decorrelators in spatial audio processing
KR20130093798A (en) * 2012-01-02 2013-08-23 한국전자통신연구원 Apparatus and method for encoding and decoding multi-channel signal
EP2862370B1 (en) * 2012-06-19 2017-08-30 Dolby Laboratories Licensing Corporation Rendering and playback of spatial audio using channel-based audio systems
US9479886B2 (en) * 2012-07-20 2016-10-25 Qualcomm Incorporated Scalable downmix design with feedback for object-based surround codec
US9761229B2 (en) * 2012-07-20 2017-09-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for audio object clustering
EP2956935B1 (en) * 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
EP2976768A4 (en) * 2013-03-20 2016-11-09 Nokia Technologies Oy Audio signal encoder comprising a multi-channel parameter selector
EP2866227A1 (en) * 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder

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MX2016004924A (en) 2016-07-11
BR112016008787A2 (en) 2017-08-01
CA2926986A1 (en) 2015-04-30
US11393481B2 (en) 2022-07-19
ES2655046T3 (en) 2018-02-16
MY176779A (en) 2020-08-21
ZA201603298B (en) 2019-09-25
US20200090666A1 (en) 2020-03-19
JP2016538585A (en) 2016-12-08
PT3061087T (en) 2018-03-01
RU2648588C2 (en) 2018-03-26
EP2866227A1 (en) 2015-04-29
US20230005489A1 (en) 2023-01-05
US20160232901A1 (en) 2016-08-11
TW201521013A (en) 2015-06-01
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