KR102207035B1 - 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치 - Google Patents

고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치 Download PDF

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KR102207035B1
KR102207035B1 KR1020197037604A KR20197037604A KR102207035B1 KR 102207035 B1 KR102207035 B1 KR 102207035B1 KR 1020197037604 A KR1020197037604 A KR 1020197037604A KR 20197037604 A KR20197037604 A KR 20197037604A KR 102207035 B1 KR102207035 B1 KR 102207035B1
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panning
matrix
ambisonic
function
order
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KR20200003222A (ko
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플로리안 케일러
요하네스 뵘
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돌비 인터네셔널 에이비
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    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • 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
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • 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)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
KR1020197037604A 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치 Active KR102207035B1 (ko)

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KR1020217001737A KR102481338B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12305356.3A EP2645748A1 (en) 2012-03-28 2012-03-28 Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal
EP12305356.3 2012-03-28
PCT/EP2013/055792 WO2013143934A1 (en) 2012-03-28 2013-03-20 Method and apparatus for decoding stereo loudspeaker signals from a higher-order ambisonics audio signal

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KR1020197037604A Active KR102207035B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020247020658A Active KR102863957B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020257031503A Pending KR20250141277A (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020227044967A Active KR102678270B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020217001737A Active KR102481338B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020147026827A Active KR102059486B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치

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KR1020257031503A Pending KR20250141277A (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020227044967A Active KR102678270B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020217001737A Active KR102481338B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020147026827A Active KR102059486B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치

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US (7) US9666195B2 (https=)
EP (4) EP2645748A1 (https=)
JP (7) JP6316275B2 (https=)
KR (6) KR102207035B1 (https=)
CN (6) CN107135460B (https=)
TW (11) TWI845344B (https=)
WO (1) WO2013143934A1 (https=)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2637427A1 (en) * 2012-03-06 2013-09-11 Thomson Licensing Method and apparatus for playback of a higher-order ambisonics audio signal
EP2645748A1 (en) 2012-03-28 2013-10-02 Thomson Licensing Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal
US20140355769A1 (en) 2013-05-29 2014-12-04 Qualcomm Incorporated Energy preservation for decomposed representations of a sound field
EP2866475A1 (en) * 2013-10-23 2015-04-29 Thomson Licensing Method for and apparatus for decoding an audio soundfield representation for audio playback using 2D setups
EP2879408A1 (en) * 2013-11-28 2015-06-03 Thomson Licensing Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
EP3143779B1 (en) * 2014-05-13 2020-10-07 Fraunhofer Gesellschaft zur Förderung der Angewand Apparatus and method for edge fading amplitude panning
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
EP4354432B1 (en) * 2014-06-27 2026-03-11 Dolby International AB Apparatus for determining for the compression of an hoa data frame representation a lowest integer number of bits required for representing non-differential gain values
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
CN106537941B (zh) 2014-11-11 2019-08-16 谷歌有限责任公司 虚拟声音系统和方法
US10257636B2 (en) 2015-04-21 2019-04-09 Dolby Laboratories Licensing Corporation Spatial audio signal manipulation
US10334387B2 (en) 2015-06-25 2019-06-25 Dolby Laboratories Licensing Corporation Audio panning transformation system and method
US10249312B2 (en) 2015-10-08 2019-04-02 Qualcomm Incorporated Quantization of spatial vectors
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
EP3375208B1 (en) * 2015-11-13 2019-11-06 Dolby International AB Method and apparatus for generating from a multi-channel 2d audio input signal a 3d sound representation signal
US11387006B2 (en) 2015-11-30 2022-07-12 In Hand Health, LLC Client monitoring, management, communication, and performance system and method of use
EP3209036A1 (en) * 2016-02-19 2017-08-23 Thomson Licensing Method, computer readable storage medium, and apparatus for determining a target sound scene at a target position from two or more source sound scenes
US11012803B2 (en) 2017-01-27 2021-05-18 Auro Technologies Nv Processing method and system for panning audio objects
CN106960672B (zh) * 2017-03-30 2020-08-21 国家计算机网络与信息安全管理中心 一种立体声音频的带宽扩展方法与装置
WO2018213159A1 (en) * 2017-05-15 2018-11-22 Dolby Laboratories Licensing Corporation Methods, systems and apparatus for conversion of spatial audio format(s) to speaker signals
CN110771181B (zh) * 2017-05-15 2021-09-28 杜比实验室特许公司 用于将空间音频格式转换为扬声器信号的方法、系统和设备
CN111123202B (zh) * 2020-01-06 2022-01-11 北京大学 一种室内早期反射声定位方法及系统
CN111615045B (zh) * 2020-06-23 2021-06-11 腾讯音乐娱乐科技（深圳）有限公司 音频处理方法、装置、设备及存储介质
CN112530445A (zh) * 2020-11-23 2021-03-19 雷欧尼斯（北京）信息技术有限公司 高阶Ambisonic音频的编解码方法及芯片
CN117061983A (zh) * 2021-03-05 2023-11-14 华为技术有限公司 虚拟扬声器集合确定方法和装置
US12614555B2 (en) * 2023-09-27 2026-04-28 Apple Inc. Method and system for producing an augmented ambisonic format

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011117399A1 (en) * 2010-03-26 2011-09-29 Thomson Licensing Method and device for decoding an audio soundfield representation for audio playback

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB394325A (en) 1931-12-14 1933-06-14 Alan Dower Blumlein Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems
US4704728A (en) * 1984-12-31 1987-11-03 Peter Scheiber Signal re-distribution, decoding and processing in accordance with amplitude, phase, and other characteristics
JPH05103391A (ja) 1991-10-07 1993-04-23 Matsushita Electric Ind Co Ltd 指向性制御スピーカシステム
JPH06165281A (ja) 1992-11-18 1994-06-10 Matsushita Electric Ind Co Ltd 指向性スピーカ装置
US7231054B1 (en) 1999-09-24 2007-06-12 Creative Technology Ltd Method and apparatus for three-dimensional audio display
JP4805541B2 (ja) * 2002-04-10 2011-11-02 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ステレオ信号の符号化
FR2847376B1 (fr) * 2002-11-19 2005-02-04 France Telecom Procede de traitement de donnees sonores et dispositif d'acquisition sonore mettant en oeuvre ce procede
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
EP1538741A1 (en) * 2003-12-05 2005-06-08 Semiconductor Ideas to The Market (ItoM) BV Multiplier device
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
ATE378793T1 (de) * 2005-06-23 2007-11-15 Akg Acoustics Gmbh Methode zur modellierung eines mikrofons
EP1761110A1 (en) * 2005-09-02 2007-03-07 Ecole Polytechnique Fédérale de Lausanne Method to generate multi-channel audio signals from stereo signals
KR101562379B1 (ko) * 2005-09-13 2015-10-22 코닌클리케 필립스 엔.브이. 공간 디코더 유닛 및 한 쌍의 바이노럴 출력 채널들을 생성하기 위한 방법
JP2007208709A (ja) 2006-02-02 2007-08-16 Kenwood Corp 音声再生装置
WO2007101958A2 (fr) 2006-03-09 2007-09-13 France Telecom Optimisation d'une spatialisation sonore binaurale a partir d'un encodage multicanal
US8712061B2 (en) 2006-05-17 2014-04-29 Creative Technology Ltd Phase-amplitude 3-D stereo encoder and decoder
US7501605B2 (en) * 2006-08-29 2009-03-10 Lam Research Corporation Method of tuning thermal conductivity of electrostatic chuck support assembly
ATE495635T1 (de) * 2006-09-25 2011-01-15 Dolby Lab Licensing Corp Verbesserte räumliche auflösung des schallfeldes für mehrkanal-tonwiedergabesysteme mittels ableitung von signalen mit winkelgrössen hoher ordnung
KR101368859B1 (ko) * 2006-12-27 2014-02-27 삼성전자주식회사 개인 청각 특성을 고려한 2채널 입체 음향 재생 방법 및장치
US8520873B2 (en) * 2008-10-20 2013-08-27 Jerry Mahabub Audio spatialization and environment simulation
TWI424755B (zh) 2008-01-11 2014-01-21 Dolby Lab Licensing Corp 矩陣解碼器
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
JP4922211B2 (ja) * 2008-03-07 2012-04-25 日本放送協会 音響信号変換装置、その方法及びそのプログラム
KR20110049863A (ko) * 2008-08-14 2011-05-12 돌비 레버러토리즈 라이쎈싱 코오포레이션 오디오 신호 트랜스포맷팅
GB0815362D0 (en) * 2008-08-22 2008-10-01 Queen Mary & Westfield College Music collection navigation
EP2486450B1 (en) * 2008-11-02 2021-05-19 David Chaum Near to eye display system and appliance
EP2285139B1 (en) * 2009-06-25 2018-08-08 Harpex Ltd. Device and method for converting spatial audio signal
NZ587483A (en) * 2010-08-20 2012-12-21 Ind Res Ltd Holophonic speaker system with filters that are pre-configured based on acoustic transfer functions
JP5826996B2 (ja) 2010-08-30 2015-12-02 日本放送協会 音響信号変換装置およびそのプログラム、ならびに、３次元音響パンニング装置およびそのプログラム
EP2450880A1 (en) 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
EP2645748A1 (en) * 2012-03-28 2013-10-02 Thomson Licensing Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal
US9514620B2 (en) * 2013-09-06 2016-12-06 Immersion Corporation Spatialized haptic feedback based on dynamically scaled values

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011117399A1 (en) * 2010-03-26 2011-09-29 Thomson Licensing Method and device for decoding an audio soundfield representation for audio playback

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US9913062B2 (en) 2018-03-06
TW201921337A (zh) 2019-06-01
KR102863957B1 (ko) 2025-09-25
KR20140138773A (ko) 2014-12-04
US20240373186A1 (en) 2024-11-07
TWI808842B (zh) 2023-07-11
CN107135460A (zh) 2017-09-05
JP2024138554A (ja) 2024-10-08
CN107222824A (zh) 2017-09-29
JP7459019B2 (ja) 2024-04-01
US20170208410A1 (en) 2017-07-20
TWI651715B (zh) 2019-02-21
JP2020043590A (ja) 2020-03-19
JP7529370B2 (ja) 2024-08-06
US20240298128A1 (en) 2024-09-05
US20190364376A1 (en) 2019-11-28
JP7739546B2 (ja) 2025-09-16
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US20180160249A1 (en) 2018-06-07
TW202512163A (zh) 2025-03-16
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US20220182775A1 (en) 2022-06-09
TW202322100A (zh) 2023-06-01
TW202544794A (zh) 2025-11-16
JP2015511800A (ja) 2015-04-20
EP2832113A1 (en) 2015-02-04
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CN107172567B (zh) 2019-12-03
TWI666629B (zh) 2019-07-21
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CN107182022A (zh) 2017-09-19
TWI698858B (zh) 2020-07-11
KR20210009448A (ko) 2021-01-26
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