JP2014535231A5 - - Google Patents
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- JP2014535231A5 JP2014535231A5 JP2014540395A JP2014540395A JP2014535231A5 JP 2014535231 A5 JP2014535231 A5 JP 2014535231A5 JP 2014540395 A JP2014540395 A JP 2014540395A JP 2014540395 A JP2014540395 A JP 2014540395A JP 2014535231 A5 JP2014535231 A5 JP 2014535231A5
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- JP
- Japan
- Prior art keywords
- microphone
- signal
- noise
- array
- power
- Prior art date
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Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP11306471.1A EP2592845A1 (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 |
| EP11306471.1 | 2011-11-11 | ||
| PCT/EP2012/071535 WO2013068283A1 (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 |
|---|---|
| JP2014535231A JP2014535231A (ja) | 2014-12-25 |
| JP2014535231A5 true JP2014535231A5 (enExample) | 2015-12-24 |
| JP6030660B2 JP6030660B2 (ja) | 2016-11-24 |
Family
ID=47143887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014540395A Active JP6030660B2 (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)
| Country | Link |
|---|---|
| US (1) | US9503818B2 (enExample) |
| EP (2) | EP2592845A1 (enExample) |
| JP (1) | JP6030660B2 (enExample) |
| KR (1) | KR101938925B1 (enExample) |
| CN (1) | CN103931211B (enExample) |
| WO (1) | WO2013068283A1 (enExample) |
Families Citing this family (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| EP2592846A1 (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 |
| US9502044B2 (en) | 2013-05-29 | 2016-11-22 | Qualcomm Incorporated | Compression of decomposed representations of a sound field |
| US9466305B2 (en) | 2013-05-29 | 2016-10-11 | Qualcomm Incorporated | Performing positional analysis to code spherical harmonic coefficients |
| US20150127354A1 (en) * | 2013-10-03 | 2015-05-07 | Qualcomm Incorporated | Near field compensation 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 |
| DE102013223201B3 (de) | 2013-11-14 | 2015-05-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren und Vorrichtung zum Komprimieren und Dekomprimieren von Schallfelddaten eines Gebietes |
| US9922656B2 (en) | 2014-01-30 | 2018-03-20 | Qualcomm Incorporated | Transitioning of ambient higher-order ambisonic coefficients |
| US9489955B2 (en) | 2014-01-30 | 2016-11-08 | Qualcomm Incorporated | Indicating frame parameter reusability for coding vectors |
| KR102201726B1 (ko) | 2014-03-21 | 2021-01-12 | 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 |
| US9818413B2 (en) * | 2014-03-21 | 2017-11-14 | Dolby Laboratories Licensing Corporation | Method for compressing a higher order ambisonics signal, method for decompressing (HOA) a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal |
| 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 |
| 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 |
| JP6620140B2 (ja) * | 2014-07-23 | 2019-12-11 | ジ・オーストラリアン・ナショナル・ユニバーシティー | ２次元センサーアレイを用いて３次元波動場の３次元波動場表現を構築するための方法、コンピューター可読記憶媒体及び装置 |
| TWI584657B (zh) * | 2014-08-20 | 2017-05-21 | 國立清華大學 | 一種立體聲場錄音以及重建的方法 |
| KR101586364B1 (ko) * | 2014-09-05 | 2016-01-18 | 한양대학교 산학협력단 | 공간 음향 분할을 통한 동적 방향성 임펄스 응답을 생성하기 위한 방법, 장치 및 컴퓨터 판독 가능한 기록 매체 |
| 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 |
| US9560441B1 (en) * | 2014-12-24 | 2017-01-31 | Amazon Technologies, Inc. | Determining speaker direction using a spherical microphone array |
| EP3073488A1 (en) | 2015-03-24 | 2016-09-28 | Thomson Licensing | Method and apparatus for embedding and regaining watermarks in an ambisonics representation of a 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 |
| US10492000B2 (en) | 2016-04-08 | 2019-11-26 | Google Llc | Cylindrical microphone array for efficient recording of 3D sound fields |
| WO2018053050A1 (en) * | 2016-09-13 | 2018-03-22 | VisiSonics Corporation | Audio signal processor and generator |
| US10516962B2 (en) * | 2017-07-06 | 2019-12-24 | Huddly As | Multi-channel binaural recording and dynamic playback |
| CN109963249B (zh) * | 2017-12-25 | 2021-12-14 | 北京京东尚科信息技术有限公司 | 数据处理方法及其系统、计算机系统和计算机可读介质 |
| CN112292870A (zh) | 2018-08-14 | 2021-01-29 | 阿里巴巴集团控股有限公司 | 音频信号处理装置及方法 |
| 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 |
| CN110133579B (zh) * | 2019-04-11 | 2021-02-05 | 南京航空航天大学 | 适用于球面麦克风阵列声源定向的球谐波阶数自适应选择方法 |
| KR102154553B1 (ko) * | 2019-09-18 | 2020-09-10 | 한국표준과학연구원 | 지향성이 향상된 마이크로폰 어레이 및 이를 이용한 음장 취득 방법 |
| 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 |
| CN113395638B (zh) * | 2021-05-25 | 2022-07-26 | 西北工业大学 | 一种基于等效源法的室内声场扬声器重放方法 |
| CN113281900B (zh) * | 2021-05-26 | 2022-03-18 | 复旦大学 | 一种基于汉克尔变换与波束传播法的光学建模与计算方法 |
| US11349206B1 (en) | 2021-07-28 | 2022-05-31 | King Abdulaziz University | Robust linearly constrained minimum power (LCMP) beamformer with limited snapshots |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7123727B2 (en) * | 2001-07-18 | 2006-10-17 | Agere Systems Inc. | Adaptive close-talking differential microphone array |
| US20030147539A1 (en) * | 2002-01-11 | 2003-08-07 | Mh Acoustics, Llc, A Delaware Corporation | Audio system based on at least second-order eigenbeams |
| 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 |
| FI20055261A0 (fi) * | 2005-05-27 | 2005-05-27 | Midas Studios Avoin Yhtioe | Akustisten muuttajien kokoonpano, järjestelmä ja menetelmä akustisten signaalien vastaanottamista tai toistamista varten |
| 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 |
| CN101627641A (zh) * | 2007-03-05 | 2010-01-13 | 格特朗尼克斯公司 | 具有信号处理功能的小器件封装麦克风模块 |
| GB0906269D0 (en) * | 2009-04-09 | 2009-05-20 | Ntnu Technology Transfer As | Optimal modal beamformer for sensor arrays |
| EP2592846A1 (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 |
-
2011
- 2011-11-11 EP EP11306471.1A patent/EP2592845A1/en not_active Withdrawn
-
2012
- 2012-10-31 CN CN201280055175.1A patent/CN103931211B/zh active Active
- 2012-10-31 US US14/356,185 patent/US9503818B2/en active Active
- 2012-10-31 JP JP2014540395A patent/JP6030660B2/ja active Active
- 2012-10-31 EP EP12783190.7A patent/EP2777297B1/en active Active
- 2012-10-31 KR KR1020147015362A patent/KR101938925B1/ko active Active
- 2012-10-31 WO PCT/EP2012/071535 patent/WO2013068283A1/en not_active Ceased
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