JP2015511800A5 - - Google Patents

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JP2015511800A5
JP2015511800A5 JP2015502213A JP2015502213A JP2015511800A5 JP 2015511800 A5 JP2015511800 A5 JP 2015511800A5 JP 2015502213 A JP2015502213 A JP 2015502213A JP 2015502213 A JP2015502213 A JP 2015502213A JP 2015511800 A5 JP2015511800 A5 JP 2015511800A5
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matrix
appendix
signal
pan
order
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JP2015511800A (ja
JP6316275B2 (ja
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Priority claimed from EP12305356.3A external-priority patent/EP2645748A1/en
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JP2015502213A 2012-03-28 2013-03-20 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置 Active JP6316275B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12305356.3 2012-03-28
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
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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JP2018059275A Division JP6622344B2 (ja) 2012-03-28 2018-03-27 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置

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JP2015511800A JP2015511800A (ja) 2015-04-20
JP2015511800A5 true JP2015511800A5 (https=) 2016-05-12
JP6316275B2 JP6316275B2 (ja) 2018-04-25

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JP2015502213A Active JP6316275B2 (ja) 2012-03-28 2013-03-20 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置
JP2018059275A Active JP6622344B2 (ja) 2012-03-28 2018-03-27 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置
JP2019210167A Active JP6898419B2 (ja) 2012-03-28 2019-11-21 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置
JP2021097063A Active JP7459019B2 (ja) 2012-03-28 2021-06-10 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置
JP2023034396A Active JP7529370B2 (ja) 2012-03-28 2023-03-07 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置
JP2024117388A Active JP7739546B2 (ja) 2012-03-28 2024-07-23 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置
JP2025145858A Pending JP2025186291A (ja) 2012-03-28 2025-09-03 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置

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JP2018059275A Active JP6622344B2 (ja) 2012-03-28 2018-03-27 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置
JP2019210167A Active JP6898419B2 (ja) 2012-03-28 2019-11-21 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置
JP2021097063A Active JP7459019B2 (ja) 2012-03-28 2021-06-10 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置
JP2023034396A Active JP7529370B2 (ja) 2012-03-28 2023-03-07 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置
JP2024117388A Active JP7739546B2 (ja) 2012-03-28 2024-07-23 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置
JP2025145858A Pending JP2025186291A (ja) 2012-03-28 2025-09-03 高次アンビソニックス・オーディオ信号からステレオ・ラウドスピーカー信号を復号する方法および装置

Country Status (7)

Country Link
US (7) US9666195B2 (https=)
EP (4) EP2645748A1 (https=)
JP (7) JP6316275B2 (https=)
KR (6) KR102481338B1 (https=)
CN (6) CN107222824B (https=)
TW (11) TWI590230B (https=)
WO (1) WO2013143934A1 (https=)

Families Citing this family (26)

* 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
US9495968B2 (en) 2013-05-29 2016-11-15 Qualcomm Incorporated Identifying sources from which higher order ambisonic audio data is generated
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
KR20250085845A (ko) * 2014-06-27 2025-06-12 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치
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
US10063989B2 (en) 2014-11-11 2018-08-28 Google Llc Virtual sound systems and methods
WO2016172254A1 (en) 2015-04-21 2016-10-27 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
US9961467B2 (en) * 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from channel-based audio to HOA
US10249312B2 (en) 2015-10-08 2019-04-02 Qualcomm Incorporated Quantization of spatial vectors
CN116259324A (zh) * 2015-10-08 2023-06-13 杜比国际公司 用于压缩声音或声场表示的分层编解码
US10341802B2 (en) * 2015-11-13 2019-07-02 Dolby Laboratories Licensing Corporation 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
EP3574661B1 (en) 2017-01-27 2021-08-11 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
EP3625974B1 (en) * 2017-05-15 2020-12-23 Dolby Laboratories Licensing Corporation Methods, systems and apparatus for conversion of spatial audio format(s) to speaker signals
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
CN116980818A (zh) * 2021-03-05 2023-10-31 华为技术有限公司 虚拟扬声器集合确定方法和装置

Family Cites Families (33)

* 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
EP1737267B1 (en) * 2005-06-23 2007-11-14 AKG Acoustics GmbH Modelling of a microphone
EP1761110A1 (en) * 2005-09-02 2007-03-07 Ecole Polytechnique Fédérale de Lausanne Method to generate multi-channel audio signals from stereo signals
JP5587551B2 (ja) * 2005-09-13 2014-09-10 コーニンクレッカ フィリップス エヌ ヴェ オーディオ符号化
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
WO2008039339A2 (en) * 2006-09-25 2008-04-03 Dolby Laboratories Licensing Corporation Improved spatial resolution of the sound field for multi-channel audio playback systems by deriving signals with high order angular terms
KR101368859B1 (ko) * 2006-12-27 2014-02-27 삼성전자주식회사 개인 청각 특성을 고려한 2채널 입체 음향 재생 방법 및장치
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
US8705749B2 (en) * 2008-08-14 2014-04-22 Dolby Laboratories Licensing Corporation Audio signal transformatting
GB0815362D0 (en) * 2008-08-22 2008-10-01 Queen Mary & Westfield College Music collection navigation
EP2356825A4 (en) * 2008-10-20 2014-08-06 Genaudio Inc AUDIO SPACE AND ENVIRONMENT SIMULATION
EP2486450B1 (en) * 2008-11-02 2021-05-19 David Chaum Near to eye display system and appliance
ES2690164T3 (es) * 2009-06-25 2018-11-19 Dts Licensing Limited Dispositivo y método para convertir una señal de audio espacial
ES2472456T3 (es) 2010-03-26 2014-07-01 Thomson Licensing Método y dispositivo para decodificar una representación de un campo ac�stico de audio para reproducción de audio
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

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