KR102429953B1 - 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스 - Google Patents

다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스 Download PDF

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KR102429953B1
KR102429953B1 KR1020217000358A KR20217000358A KR102429953B1 KR 102429953 B1 KR102429953 B1 KR 102429953B1 KR 1020217000358 A KR1020217000358 A KR 1020217000358A KR 20217000358 A KR20217000358 A KR 20217000358A KR 102429953 B1 KR102429953 B1 KR 102429953B1
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hoa
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요하네스 보엠
피터 잭스
올리버 부에볼트
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돌비 인터네셔널 에이비
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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
    • G10L19/008—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
    • G10L19/04—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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
KR1020217000358A 2012-07-19 2013-07-19 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스 Active KR102429953B1 (ko)

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KR1020227026774A KR102581878B1 (ko) 2012-07-19 2013-07-19 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스

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EP12290239 2012-07-19
EP12290239.8 2012-07-19
KR1020207019184A KR102201713B1 (ko) 2012-07-19 2013-07-19 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스
PCT/EP2013/065343 WO2014013070A1 (en) 2012-07-19 2013-07-19 Method and device for improving the rendering of multi-channel audio signals

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KR1020247027296A Pending KR20240129081A (ko) 2012-07-19 2013-07-19 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스
KR1020227026774A Active KR102581878B1 (ko) 2012-07-19 2013-07-19 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스
KR1020207019184A Active KR102201713B1 (ko) 2012-07-19 2013-07-19 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스
KR1020237032036A Active KR102696640B1 (ko) 2012-07-19 2013-07-19 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스
KR1020157001446A Active KR102131810B1 (ko) 2012-07-19 2013-07-19 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스

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KR1020227026774A Active KR102581878B1 (ko) 2012-07-19 2013-07-19 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스
KR1020207019184A Active KR102201713B1 (ko) 2012-07-19 2013-07-19 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스
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KR1020157001446A Active KR102131810B1 (ko) 2012-07-19 2013-07-19 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스

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EP (1) EP2875511B1 (https=)
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CN (1) CN104471641B (https=)
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Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
US9288603B2 (en) 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
US9473870B2 (en) * 2012-07-16 2016-10-18 Qualcomm Incorporated Loudspeaker position compensation with 3D-audio hierarchical coding
KR102429953B1 (ko) 2012-07-19 2022-08-08 돌비 인터네셔널 에이비 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스
EP2743922A1 (en) 2012-12-12 2014-06-18 Thomson Licensing Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US20140355769A1 (en) 2013-05-29 2014-12-04 Qualcomm Incorporated Energy preservation for decomposed representations of a sound field
US20150127354A1 (en) * 2013-10-03 2015-05-07 Qualcomm Incorporated Near field compensation for decomposed representations of a sound field
US9502045B2 (en) 2014-01-30 2016-11-22 Qualcomm Incorporated Coding independent frames of ambient higher-order ambisonic coefficients
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
EP4539046A1 (en) 2014-03-21 2025-04-16 Dolby International AB Method for compressing a higher order ambisonics (hoa) signal, method for decompressing a compressed hoa signal, apparatus for compressing a hoa signal, and apparatus for decompressing a compressed hoa signal
US10412522B2 (en) * 2014-03-21 2019-09-10 Qualcomm Incorporated Inserting audio channels into descriptions of soundfields
EP2922057A1 (en) 2014-03-21 2015-09-23 Thomson Licensing Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal
KR102766957B1 (ko) 2014-03-21 2025-02-14 돌비 인터네셔널 에이비 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치
WO2015147532A2 (ko) 2014-03-24 2015-10-01 삼성전자 주식회사 음향 신호의 렌더링 방법, 장치 및 컴퓨터 판독 가능한 기록 매체
CA3155815C (en) * 2014-03-24 2025-08-12 Dolby International Ab Method and device for applying dynamic range compression to a higher order ambisonics signal
BR112016023716B1 (pt) * 2014-04-11 2023-04-18 Samsung Electronics Co., Ltd Método de renderização de um sinal de áudio
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9847087B2 (en) * 2014-05-16 2017-12-19 Qualcomm Incorporated Higher order ambisonics signal compression
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
KR20250051142A (ko) * 2014-06-27 2025-04-16 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 데이터 프레임들 중 특정 데이터 프레임들의 채널 신호들과 연관된 비차분 이득 값들을 포함하는 코딩된 hoa 데이터 프레임 표현
EP3175446B1 (en) 2014-07-31 2019-06-19 Dolby Laboratories Licensing Corporation Audio processing systems and methods
US9747910B2 (en) 2014-09-26 2017-08-29 Qualcomm Incorporated Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
KR102105395B1 (ko) * 2015-01-19 2020-04-28 삼성전기주식회사 칩 전자부품 및 칩 전자부품의 실장 기판
US20160294484A1 (en) * 2015-03-31 2016-10-06 Qualcomm Technologies International, Ltd. Embedding codes in an audio signal
US12087311B2 (en) 2015-07-30 2024-09-10 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding an HOA representation
US10468037B2 (en) * 2015-07-30 2019-11-05 Dolby Laboratories Licensing Corporation Method and apparatus for generating from an HOA signal representation a mezzanine HOA signal representation
WO2017035281A2 (en) * 2015-08-25 2017-03-02 Dolby International Ab Audio encoding and decoding using presentation transform parameters
US9961475B2 (en) * 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from object-based audio to HOA
EP3926626B1 (en) 2015-10-08 2024-05-22 Dolby International AB Layered coding and data structure for compressed higher-order ambisonics sound or sound field representations
US9961467B2 (en) * 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from channel-based audio to HOA
IL320151A (en) 2015-10-08 2025-06-01 Dolby Int Ab Layered coding for compressed sound or sound field representations
US10249312B2 (en) * 2015-10-08 2019-04-02 Qualcomm Incorporated Quantization of spatial vectors
US10070094B2 (en) * 2015-10-14 2018-09-04 Qualcomm Incorporated Screen related adaptation of higher order ambisonic (HOA) content
EP3378065B1 (en) 2015-11-17 2019-10-16 Dolby International AB Method and apparatus for converting a channel-based 3d audio signal to an hoa audio signal
EP3174316B1 (en) * 2015-11-27 2020-02-26 Nokia Technologies Oy Intelligent audio rendering
US9881628B2 (en) * 2016-01-05 2018-01-30 Qualcomm Incorporated Mixed domain coding of audio
CN106973073A (zh) * 2016-01-13 2017-07-21 杭州海康威视系统技术有限公司 多媒体数据的传输方法及设备
WO2017126895A1 (ko) * 2016-01-19 2017-07-27 지오디오랩 인코포레이티드 오디오 신호 처리 장치 및 처리 방법
KR102640940B1 (ko) 2016-01-27 2024-02-26 돌비 레버러토리즈 라이쎈싱 코오포레이션 음향 환경 시뮬레이션
CN109526234B (zh) * 2016-06-30 2023-09-01 杜塞尔多夫华为技术有限公司 对多声道音频信号进行编码和解码的装置和方法
US10332530B2 (en) 2017-01-27 2019-06-25 Google Llc Coding of a soundfield representation
EP3566473B8 (en) 2017-03-06 2022-06-15 Dolby International AB Integrated reconstruction and rendering of audio signals
US10354668B2 (en) 2017-03-22 2019-07-16 Immersion Networks, Inc. System and method for processing audio data
CN110800048B (zh) 2017-05-09 2023-07-28 杜比实验室特许公司 多通道空间音频格式输入信号的处理
US20180338212A1 (en) * 2017-05-18 2018-11-22 Qualcomm Incorporated Layered intermediate compression for higher order ambisonic audio data
GB2563635A (en) 2017-06-21 2018-12-26 Nokia Technologies Oy Recording and rendering audio signals
GB2566992A (en) * 2017-09-29 2019-04-03 Nokia Technologies Oy Recording and rendering spatial audio signals
PL3707706T3 (pl) * 2017-11-10 2021-11-22 Nokia Technologies Oy Określanie kodowania przestrzennego parametrów dźwięku i związane z tym dekodowanie
US11062716B2 (en) * 2017-12-28 2021-07-13 Nokia Technologies Oy Determination of spatial audio parameter encoding and associated decoding
ES3059239T3 (en) 2018-07-04 2026-03-19 Fraunhofer Ges Forschung Multisignal encoder, multisignal decoder, and related methods using signal whitening or signal post processing
EP3881559B1 (en) * 2018-11-13 2024-02-14 Dolby Laboratories Licensing Corporation Audio processing in immersive audio services
CN117809663A (zh) 2018-12-07 2024-04-02 弗劳恩霍夫应用研究促进协会 从包括至少两个声道的信号产生声场描述的装置、方法
KR20210124283A (ko) 2019-01-21 2021-10-14 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 공간 오디오 표현을 인코딩하기 위한 장치 및 방법 또는 인코딩된 오디오 신호를 트랜스포트 메타데이터를 이용하여 디코딩하기 위한 장치 및 방법 및 연관된 컴퓨터 프로그램들
TWI719429B (zh) * 2019-03-19 2021-02-21 瑞昱半導體股份有限公司 音訊處理方法與音訊處理系統
GB2582748A (en) * 2019-03-27 2020-10-07 Nokia Technologies Oy Sound field related rendering
US12308034B2 (en) 2019-06-24 2025-05-20 Qualcomm Incorporated Performing psychoacoustic audio coding based on operating conditions
US12142285B2 (en) 2019-06-24 2024-11-12 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
CN110751956B (zh) * 2019-09-17 2022-04-26 北京时代拓灵科技有限公司 一种沉浸式音频渲染方法及系统
KR102300177B1 (ko) * 2019-09-17 2021-09-08 난징 트월링 테크놀로지 컴퍼니 리미티드 몰입형 오디오 렌더링 방법 및 시스템
JP7286876B2 (ja) 2019-09-23 2023-06-05 ドルビー ラボラトリーズ ライセンシング コーポレイション 変換パラメータによるオーディオ符号化／復号化
US11430451B2 (en) * 2019-09-26 2022-08-30 Apple Inc. Layered coding of audio with discrete objects
WO2022046533A1 (en) * 2020-08-27 2022-03-03 Apple Inc. Stereo-based immersive coding (stic)
EP4241464A2 (en) * 2020-11-03 2023-09-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for audio signal transformation
CN114582356B (zh) * 2020-11-30 2025-06-06 华为技术有限公司 一种音频编解码方法和装置
GB2602148A (en) * 2020-12-21 2022-06-22 Nokia Technologies Oy Audio rendering with spatial metadata interpolation and source position information
US11659330B2 (en) * 2021-04-13 2023-05-23 Spatialx Inc. Adaptive structured rendering of audio channels
WO2022245076A1 (ko) * 2021-05-21 2022-11-24 삼성전자 주식회사 다채널 오디오 신호 처리 장치 및 방법
CN117501362B (zh) * 2021-06-15 2025-05-09 北京字跳网络技术有限公司 音频渲染系统、方法和电子设备
CN115497485B (zh) * 2021-06-18 2024-10-18 华为技术有限公司 三维音频信号编码方法、装置、编码器和系统
CN113851137B (zh) * 2021-09-08 2025-01-21 Oppo广东移动通信有限公司 资源处理方法、装置、电子设备以及存储介质
WO2023118078A1 (en) * 2021-12-20 2023-06-29 Dirac Research Ab Multi channel audio processing for upmixing/remixing/downmixing applications
KR102786091B1 (ko) * 2022-01-13 2025-03-26 한국전자통신연구원 Vr 공간에서 앰비소닉 신호를 재생하는 방법 및 장치
US12212949B2 (en) 2022-01-13 2025-01-28 Electronics And Telecommunications Research Institute Method and apparatus for ambisonic signal reproduction in virtual reality space
WO2023167828A1 (en) * 2022-03-01 2023-09-07 Dolby Laboratories Licensing Corporation Spatial representation learning
WO2024212118A1 (zh) * 2023-04-11 2024-10-17 北京小米移动软件有限公司 音频码流信号处理方法、装置、电子设备和存储介质
CN116912561B (zh) * 2023-06-25 2025-07-11 上海交通大学 基于多视角自适应图卷积网络的点云数据分类及分割方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040049379A1 (en) * 2002-09-04 2004-03-11 Microsoft Corporation Multi-channel audio encoding and decoding
US20120057715A1 (en) * 2010-09-08 2012-03-08 Johnston James D Spatial audio encoding and reproduction

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5131060Y2 (https=) 1971-10-27 1976-08-04
JPS5131246B2 (https=) 1971-11-15 1976-09-06
KR20010009258A (ko) 1999-07-08 2001-02-05 허진호 가상 멀티 채널 레코딩 시스템
FR2844894B1 (fr) * 2002-09-23 2004-12-17 Remy Henri Denis Bruno Procede et systeme de traitement d'une representation d'un champ acoustique
GB0306820D0 (en) 2003-03-25 2003-04-30 Ici Plc Polymerisation of ethylenically unsaturated monomers
EP1735778A1 (en) * 2004-04-05 2006-12-27 Koninklijke Philips Electronics N.V. Stereo coding and decoding methods and apparatuses thereof
US7624021B2 (en) * 2004-07-02 2009-11-24 Apple Inc. Universal container for audio data
KR100682904B1 (ko) * 2004-12-01 2007-02-15 삼성전자주식회사 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
CA2620627C (en) 2005-08-30 2011-03-15 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
DE102006047197B3 (de) 2006-07-31 2008-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Verarbeiten eines reellen Subband-Signals zur Reduktion von Aliasing-Effekten
EP2094032A1 (en) 2008-02-19 2009-08-26 Deutsche Thomson OHG Audio signal, method and apparatus for encoding or transmitting the same and method and apparatus for processing the same
PL2301020T3 (pl) 2008-07-11 2013-06-28 Fraunhofer Ges Forschung Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu
EP2154677B1 (en) * 2008-08-13 2013-07-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus for determining a converted spatial audio signal
EP2205007B1 (en) * 2008-12-30 2019-01-09 Dolby International AB Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction
GB2476747B (en) * 2009-02-04 2011-12-21 Richard Furse Sound system
CN102804808B (zh) 2009-06-30 2015-05-27 诺基亚公司 用于呈现空间音频的方法及装置
EP2346028A1 (en) * 2009-12-17 2011-07-20 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. An apparatus and a method for converting a first parametric spatial audio signal into a second parametric spatial audio signal
WO2012025580A1 (en) * 2010-08-27 2012-03-01 Sonicemotion Ag Method and device for enhanced sound field reproduction of spatially encoded audio input signals
EP2450880A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
EP2469741A1 (en) * 2010-12-21 2012-06-27 Thomson Licensing Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field
FR2969804A1 (fr) 2010-12-23 2012-06-29 France Telecom Filtrage perfectionne dans le domaine transforme.
CN103649706B (zh) * 2011-03-16 2015-11-25 Dts（英属维尔京群岛）有限公司 三维音频音轨的编码及再现
MY207992A (en) * 2011-07-01 2025-04-03 Dolby Laboratories Licensing Corp System and method for adaptive audio signal generation, coding and rendering
WO2013167164A1 (en) * 2012-05-07 2013-11-14 Imm Sound S.A. Method and apparatus for layout and format independent 3d audio reproduction
US9190065B2 (en) * 2012-07-15 2015-11-17 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients
US9288603B2 (en) * 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
US9473870B2 (en) * 2012-07-16 2016-10-18 Qualcomm Incorporated Loudspeaker position compensation with 3D-audio hierarchical coding
EP2688066A1 (en) 2012-07-16 2014-01-22 Thomson Licensing Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction
KR102429953B1 (ko) 2012-07-19 2022-08-08 돌비 인터네셔널 에이비 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040049379A1 (en) * 2002-09-04 2004-03-11 Microsoft Corporation Multi-channel audio encoding and decoding
US20120057715A1 (en) * 2010-09-08 2012-03-08 Johnston James D Spatial audio encoding and reproduction

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Christof Faller. Parametric coding of spatial audio. PhD Thesis. ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE. 2004.*
ISO/IEC FDIS 23003-1:2006(E). Information technology - MPEG audio technologies Part 1: MPEG Surround. ISO/IEC JTC 1/SC 29/WG 11. 2006.07.21.*

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