JP2014535232A5 - - Google Patents

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JP2014535232A5
JP2014535232A5 JP2014540396A JP2014540396A JP2014535232A5 JP 2014535232 A5 JP2014535232 A5 JP 2014535232A5 JP 2014540396 A JP2014540396 A JP 2014540396A JP 2014540396 A JP2014540396 A JP 2014540396A JP 2014535232 A5 JP2014535232 A5 JP 2014535232A5
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Japan
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noise
array
transfer function
microphone
signal
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JP2014540396A
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Japanese (ja)
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JP6113739B2 (ja
JP2014535232A (ja
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Priority claimed from EP11306472.9A external-priority patent/EP2592846A1/en
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JP2014540396A 2011-11-11 2012-10-31 音場のアンビソニックス表現を生成するために使われる剛体球上の球状マイクロホン・アレイの信号を処理する方法および装置 Active JP6113739B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11306472.9 2011-11-11
EP11306472.9A EP2592846A1 (en) 2011-11-11 2011-11-11 Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an Ambisonics representation of the sound field
PCT/EP2012/071537 WO2013068284A1 (en) 2011-11-11 2012-10-31 Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an ambisonics representation of the sound field

Publications (3)

Publication Number Publication Date
JP2014535232A JP2014535232A (ja) 2014-12-25
JP2014535232A5 true JP2014535232A5 (enExample) 2015-12-24
JP6113739B2 JP6113739B2 (ja) 2017-04-12

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JP2014540396A Active JP6113739B2 (ja) 2011-11-11 2012-10-31 音場のアンビソニックス表現を生成するために使われる剛体球上の球状マイクロホン・アレイの信号を処理する方法および装置

Country Status (6)

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US (1) US9420372B2 (enExample)
EP (2) EP2592846A1 (enExample)
JP (1) JP6113739B2 (enExample)
KR (1) KR101957544B1 (enExample)
CN (1) CN104041074B (enExample)
WO (1) WO2013068284A1 (enExample)

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US10021508B2 (en) 2011-11-11 2018-07-10 Dolby Laboratories Licensing Corporation Method and apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an ambisonics representation of the sound field
EP2592845A1 (en) * 2011-11-11 2013-05-15 Thomson Licensing Method and Apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an Ambisonics representation of the sound field
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US9502044B2 (en) 2013-05-29 2016-11-22 Qualcomm Incorporated Compression of decomposed representations of a sound field
JP6386556B2 (ja) * 2013-07-22 2018-09-05 ブリュール アンド ケーア サウンド アンド バイブレーション メジャーメント アクティーゼルスカブ 広周波数帯域音響ホログラフィ
US20150127354A1 (en) * 2013-10-03 2015-05-07 Qualcomm Incorporated Near field compensation for decomposed representations of a sound field
EP2863654B1 (en) * 2013-10-17 2018-08-01 Oticon A/s A method for reproducing an acoustical sound field
EP2879408A1 (en) * 2013-11-28 2015-06-03 Thomson Licensing Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
WO2015101915A2 (en) 2013-12-31 2015-07-09 Distran Gmbh Acoustic transducer array device
US9489955B2 (en) 2014-01-30 2016-11-08 Qualcomm Incorporated Indicating frame parameter reusability for coding vectors
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US9852737B2 (en) * 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US20150332682A1 (en) * 2014-05-16 2015-11-19 Qualcomm Incorporated Spatial relation coding for higher order ambisonic coefficients
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
EP2988527A1 (en) 2014-08-21 2016-02-24 Patents Factory Ltd. Sp. z o.o. System and method for detecting location of sound sources in a three-dimensional space
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
CN105072557B (zh) * 2015-08-11 2017-04-19 北京大学 一种三维环绕声重放系统的扬声器环境自适应校准方法
JP6606784B2 (ja) * 2015-09-29 2019-11-20 本田技研工業株式会社 音声処理装置および音声処理方法
US10206040B2 (en) 2015-10-30 2019-02-12 Essential Products, Inc. Microphone array for generating virtual sound field
EP3579577B1 (en) * 2016-03-15 2024-11-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method or computer program for generating a sound field description
WO2018053050A1 (en) * 2016-09-13 2018-03-22 VisiSonics Corporation Audio signal processor and generator
US10820097B2 (en) * 2016-09-29 2020-10-27 Dolby Laboratories Licensing Corporation Method, systems and apparatus for determining audio representation(s) of one or more audio sources
FR3060830A1 (fr) * 2016-12-21 2018-06-22 Orange Traitement en sous-bandes d'un contenu ambisonique reel pour un decodage perfectionne
WO2018157098A1 (en) * 2017-02-27 2018-08-30 Essential Products, Inc. Microphone array for generating virtual sound field
US11277705B2 (en) 2017-05-15 2022-03-15 Dolby Laboratories Licensing Corporation Methods, systems and apparatus for conversion of spatial audio format(s) to speaker signals
CN109275084B (zh) * 2018-09-12 2021-01-01 北京小米智能科技有限公司 麦克风阵列的测试方法、装置、系统、设备和存储介质
JP6969793B2 (ja) 2018-10-04 2021-11-24 株式会社ズーム アンビソニックスのためのａ／ｂフォーマット変換装置、ａ／ｂフォーマット変換ソフトウェア、レコーダー、再生ソフトウェア
CN111193990B (zh) * 2020-01-06 2021-01-19 北京大学 一种抗高频空间混叠的3d音频系统及实现方法
US11489505B2 (en) * 2020-08-10 2022-11-01 Cirrus Logic, Inc. Methods and systems for equalization
CN113852903B (zh) * 2021-10-21 2022-05-31 杭州爱华智能科技有限公司 电容型测试传声器的声场特性转换方法与电容型测试传声器系统
CN114928788B (zh) * 2022-04-10 2025-02-21 西北工业大学 一种基于稀疏平面波分解的声场重放空间解码方法

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US7558393B2 (en) * 2003-03-18 2009-07-07 Miller Iii Robert E System and method for compatible 2D/3D (full sphere with height) surround sound reproduction
EP1737271A1 (en) * 2005-06-23 2006-12-27 AKG Acoustics GmbH Array microphone
CN101263734B (zh) * 2005-09-02 2012-01-25 丰田自动车株式会社 麦克风阵列用后置滤波器
GB0619825D0 (en) * 2006-10-06 2006-11-15 Craven Peter G Microphone array
GB0906269D0 (en) * 2009-04-09 2009-05-20 Ntnu Technology Transfer As Optimal modal beamformer for sensor arrays
EP2592845A1 (en) * 2011-11-11 2013-05-15 Thomson Licensing Method and Apparatus for processing signals of a spherical microphone array on a rigid sphere used for generating an Ambisonics representation of the sound field
US9197962B2 (en) * 2013-03-15 2015-11-24 Mh Acoustics Llc Polyhedral audio system based on at least second-order eigenbeams

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