IN2014CN03413A - - Google Patents

Info

Publication number
IN2014CN03413A
IN2014CN03413A IN3413CHN2014A IN2014CN03413A IN 2014CN03413 A IN2014CN03413 A IN 2014CN03413A IN 3413CHN2014 A IN3413CHN2014 A IN 3413CHN2014A IN 2014CN03413 A IN2014CN03413 A IN 2014CN03413A
Authority
IN
India
Prior art keywords
audio
channels
audio channels
objects
circuit
Prior art date
Application number
Inventor
Jeroen Gerardus Henricus Koppens
Arnoldus Werner Johannes Oomen
Kerkhof Leon Maria Van De
Original Assignee
Koninkl Philips Nv
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 Koninkl Philips Nv filed Critical Koninkl Philips Nv
Publication of IN2014CN03413A publication Critical patent/IN2014CN03413A/en

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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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)

Abstract

An audio object encoder comprises a receiver (701) which receives N audio objects. A downmixer (703) downmixes the N audio objects to M audio channels and a channel circuit (707) derives K audio channels from the M audio channels K= 1 2 and K<M. A parameter circuit (709) generates audio object upmix parameters for at least part of each of the N audio objects relative to the K audio channels and an output circuit (705 711) generates an output data stream comprising the audio object upmix parameters and the M audio channels. An audio object decoder receives the data stream and includes a channel circuit (805) deriving K audio channels from the M channel downmix; and an object decoder (807) for generating at least part of each of the N audio objects by upmixing the K audio channels based on the audio object upmix parameters. The invention may allow improved object encoding while maintaining backwards compatibility.
IN3413CHN2014 2011-11-01 2012-10-29 IN2014CN03413A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201161554007P 2011-11-01 2011-11-01
PCT/IB2012/055964 WO2013064957A1 (en) 2011-11-01 2012-10-29 Audio object encoding and decoding

Publications (1)

Publication Number Publication Date
IN2014CN03413A true IN2014CN03413A (en) 2015-07-03

Family

ID=47520161

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3413CHN2014 IN2014CN03413A (en) 2011-11-01 2012-10-29

Country Status (8)

Country Link
US (1) US9966080B2 (en)
EP (1) EP2751803B1 (en)
JP (1) JP6096789B2 (en)
CN (1) CN103890841B (en)
BR (1) BR112014010062B1 (en)
IN (1) IN2014CN03413A (en)
RU (1) RU2618383C2 (en)
WO (1) WO2013064957A1 (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130315402A1 (en) * 2012-05-24 2013-11-28 Qualcomm Incorporated Three-dimensional sound compression and over-the-air transmission during a call
US9489954B2 (en) * 2012-08-07 2016-11-08 Dolby Laboratories Licensing Corporation Encoding and rendering of object based audio indicative of game audio content
CA3163664A1 (en) * 2013-05-24 2014-11-27 Dolby International Ab Audio encoder and decoder
CA3211308A1 (en) * 2013-05-24 2014-11-27 Dolby International Ab Coding of audio scenes
EP2830049A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for efficient object metadata coding
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
EP2830333A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals
EP2830050A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhanced spatial audio object coding
EP2830045A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for audio encoding and decoding for audio channels and audio objects
CN105493182B (en) * 2013-08-28 2020-01-21 杜比实验室特许公司 Hybrid waveform coding and parametric coding speech enhancement
CN105556597B (en) 2013-09-12 2019-10-29 杜比国际公司 The coding and decoding of multichannel audio content
US10049683B2 (en) * 2013-10-21 2018-08-14 Dolby International Ab Audio encoder and decoder
EP3075173B1 (en) 2013-11-28 2019-12-11 Dolby Laboratories Licensing Corporation Position-based gain adjustment of object-based audio and ring-based channel audio
US9866986B2 (en) 2014-01-24 2018-01-09 Sony Corporation Audio speaker system with virtual music performance
WO2016066743A1 (en) * 2014-10-31 2016-05-06 Dolby International Ab Parametric encoding and decoding of multichannel audio signals
CN106303897A (en) 2015-06-01 2017-01-04 杜比实验室特许公司 Process object-based audio signal
US9826332B2 (en) * 2016-02-09 2017-11-21 Sony Corporation Centralized wireless speaker system
US9924291B2 (en) 2016-02-16 2018-03-20 Sony Corporation Distributed wireless speaker system
US9826330B2 (en) 2016-03-14 2017-11-21 Sony Corporation Gimbal-mounted linear ultrasonic speaker assembly
US9794724B1 (en) 2016-07-20 2017-10-17 Sony Corporation Ultrasonic speaker assembly using variable carrier frequency to establish third dimension sound locating
US10075791B2 (en) 2016-10-20 2018-09-11 Sony Corporation Networked speaker system with LED-based wireless communication and room mapping
US9924286B1 (en) 2016-10-20 2018-03-20 Sony Corporation Networked speaker system with LED-based wireless communication and personal identifier
US9854362B1 (en) 2016-10-20 2017-12-26 Sony Corporation Networked speaker system with LED-based wireless communication and object detection
US10424307B2 (en) 2017-01-03 2019-09-24 Nokia Technologies Oy Adapting a distributed audio recording for end user free viewpoint monitoring
EP3740950B8 (en) * 2018-01-18 2022-05-18 Dolby Laboratories Licensing Corporation Methods and devices for coding soundfield representation signals
US11348573B2 (en) * 2019-03-18 2022-05-31 Apple Inc. Multimodality in digital assistant systems
EP3809709A1 (en) * 2019-10-14 2021-04-21 Koninklijke Philips N.V. Apparatus and method for audio encoding
US20220392461A1 (en) * 2019-11-05 2022-12-08 Sony Group Corporation Electronic device, method and computer program
GB2590650A (en) * 2019-12-23 2021-07-07 Nokia Technologies Oy The merging of spatial audio parameters
US11443737B2 (en) 2020-01-14 2022-09-13 Sony Corporation Audio video translation into multiple languages for respective listeners

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
WO2007004831A1 (en) * 2005-06-30 2007-01-11 Lg Electronics Inc. Method and apparatus for encoding and decoding an audio signal
AU2007271532B2 (en) * 2006-07-07 2011-03-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for combining multiple parametrically coded audio sources
CN101479787B (en) * 2006-09-29 2012-12-26 Lg电子株式会社 Method for encoding and decoding object-based audio signal and apparatus thereof
WO2008039038A1 (en) 2006-09-29 2008-04-03 Electronics And Telecommunications Research Institute Apparatus and method for coding and decoding multi-object audio signal with various channel
DE602007013415D1 (en) * 2006-10-16 2011-05-05 Dolby Sweden Ab ADVANCED CODING AND PARAMETER REPRESENTATION OF MULTILAYER DECREASE DECOMMODED
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
JP5450085B2 (en) * 2006-12-07 2014-03-26 エルジー エレクトロニクス インコーポレイティド Audio processing method and apparatus
EP2595152A3 (en) 2006-12-27 2013-11-13 Electronics and Telecommunications Research Institute Transkoding apparatus
EP2109861B1 (en) * 2007-01-10 2019-03-13 Koninklijke Philips N.V. Audio decoder
CA2645915C (en) * 2007-02-14 2012-10-23 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
US8295494B2 (en) * 2007-08-13 2012-10-23 Lg Electronics Inc. Enhancing audio with remixing capability
MX2010004220A (en) 2007-10-17 2010-06-11 Fraunhofer Ges Forschung Audio coding using downmix.
US20100228554A1 (en) * 2007-10-22 2010-09-09 Electronics And Telecommunications Research Institute Multi-object audio encoding and decoding method and apparatus thereof
JP5524237B2 (en) * 2008-12-19 2014-06-18 ドルビー インターナショナル アーベー Method and apparatus for applying echo to multi-channel audio signals using spatial cue parameters
EP2420050B1 (en) * 2009-04-15 2013-04-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multichannel echo canceller
KR101283783B1 (en) * 2009-06-23 2013-07-08 한국전자통신연구원 Apparatus for high quality multichannel audio coding and decoding
US20100324915A1 (en) 2009-06-23 2010-12-23 Electronic And Telecommunications Research Institute Encoding and decoding apparatuses for high quality multi-channel audio codec
AU2010303039B9 (en) 2009-09-29 2014-10-23 Dolby International Ab Audio signal decoder, audio signal encoder, method for providing an upmix signal representation, method for providing a downmix signal representation, computer program and bitstream using a common inter-object-correlation parameter value
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
TWI444989B (en) * 2010-01-22 2014-07-11 Dolby Lab Licensing Corp Using multichannel decorrelation for improved multichannel upmixing

Also Published As

Publication number Publication date
CN103890841A (en) 2014-06-25
BR112014010062A8 (en) 2017-06-20
CN103890841B (en) 2017-10-17
RU2014122111A (en) 2015-12-10
JP6096789B2 (en) 2017-03-15
US9966080B2 (en) 2018-05-08
RU2618383C2 (en) 2017-05-03
BR112014010062B1 (en) 2021-12-14
JP2014532901A (en) 2014-12-08
EP2751803B1 (en) 2015-09-16
BR112014010062A2 (en) 2017-06-13
US20140297296A1 (en) 2014-10-02
WO2013064957A1 (en) 2013-05-10
EP2751803A1 (en) 2014-07-09

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