JP5823529B2 - 高次アンビソニックス・オーディオ・データ用のデータ構造 - Google Patents

高次アンビソニックス・オーディオ・データ用のデータ構造 Download PDF

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JP5823529B2
JP5823529B2 JP2013537071A JP2013537071A JP5823529B2 JP 5823529 B2 JP5823529 B2 JP 5823529B2 JP 2013537071 A JP2013537071 A JP 2013537071A JP 2013537071 A JP2013537071 A JP 2013537071A JP 5823529 B2 JP5823529 B2 JP 5823529B2
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hoa
ambisonics
data
data structure
audio
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JP2013545391A5 (cg-RX-API-DMAC7.html
JP2013545391A (ja
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ケイラー，フロリアン
コルドン，スベン
ベーム，ヨハネス
クロップ，オルガー
バトケ，ヨハン−マルクス
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Thomson Licensing SAS
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • 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
    • 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
    • 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)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP2013537071A 2010-11-05 2011-10-26 高次アンビソニックス・オーディオ・データ用のデータ構造 Active JP5823529B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP10306211A EP2450880A1 (en) 2010-11-05 2010-11-05 Data structure for Higher Order Ambisonics audio data
EP10306211.3 2010-11-05
PCT/EP2011/068782 WO2012059385A1 (en) 2010-11-05 2011-10-26 Data structure for higher order ambisonics audio data

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JP2013545391A JP2013545391A (ja) 2013-12-19
JP2013545391A5 JP2013545391A5 (cg-RX-API-DMAC7.html) 2014-11-27
JP5823529B2 true JP5823529B2 (ja) 2015-11-25

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EP (2) EP2450880A1 (cg-RX-API-DMAC7.html)
JP (1) JP5823529B2 (cg-RX-API-DMAC7.html)
KR (1) KR101824287B1 (cg-RX-API-DMAC7.html)
CN (1) CN103250207B (cg-RX-API-DMAC7.html)
AU (1) AU2011325335B8 (cg-RX-API-DMAC7.html)
BR (1) BR112013010754B1 (cg-RX-API-DMAC7.html)
PT (1) PT2636036E (cg-RX-API-DMAC7.html)
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Families Citing this family (113)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE102012200512B4 (de) * 2012-01-13 2013-11-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Berechnen von Lautsprechersignalen für eine Mehrzahl von Lautsprechern unter Verwendung einer Verzögerung im Frequenzbereich
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
EP2665208A1 (en) 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
US9288603B2 (en) 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
BR122020017399B1 (pt) 2012-07-16 2022-05-03 Dolby International Ab Método e dispositivo para renderizar uma representação de campo sonoro ambisonics de ordem superior para reprodução de áudio, dispositivo para decodificação e meio legível por computador
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
TWI590234B (zh) 2012-07-19 2017-07-01 杜比國際公司 編碼聲訊資料之方法和裝置，以及解碼已編碼聲訊資料之方法和裝置
US9460729B2 (en) * 2012-09-21 2016-10-04 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
EP2733963A1 (en) 2012-11-14 2014-05-21 Thomson Licensing Method and apparatus for facilitating listening to a sound signal for matrixed sound signals
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
CN108174341B (zh) * 2013-01-16 2021-01-08 杜比国际公司 测量高阶高保真度立体声响复制响度级的方法及设备
US9913064B2 (en) 2013-02-07 2018-03-06 Qualcomm Incorporated Mapping virtual speakers to physical speakers
US9609452B2 (en) 2013-02-08 2017-03-28 Qualcomm Incorporated Obtaining sparseness information for higher order ambisonic audio renderers
EP2765791A1 (en) * 2013-02-08 2014-08-13 Thomson Licensing Method and apparatus for determining directions of uncorrelated sound sources in a higher order ambisonics representation of a sound field
US10178489B2 (en) * 2013-02-08 2019-01-08 Qualcomm Incorporated Signaling audio rendering information in a bitstream
US9883310B2 (en) 2013-02-08 2018-01-30 Qualcomm Incorporated Obtaining symmetry information for higher order ambisonic audio renderers
JP5734329B2 (ja) * 2013-02-28 2015-06-17 日本電信電話株式会社 音場収音再生装置、方法及びプログラム
JP5734327B2 (ja) * 2013-02-28 2015-06-17 日本電信電話株式会社 音場収音再生装置、方法及びプログラム
JP5734328B2 (ja) * 2013-02-28 2015-06-17 日本電信電話株式会社 音場収音再生装置、方法及びプログラム
US9685163B2 (en) * 2013-03-01 2017-06-20 Qualcomm Incorporated Transforming spherical harmonic coefficients
EP2782094A1 (en) * 2013-03-22 2014-09-24 Thomson Licensing Method and apparatus for enhancing directivity of a 1st order Ambisonics signal
US9723305B2 (en) 2013-03-29 2017-08-01 Qualcomm Incorporated RTP payload format designs
EP2800401A1 (en) 2013-04-29 2014-11-05 Thomson Licensing Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
US9412385B2 (en) * 2013-05-28 2016-08-09 Qualcomm Incorporated Performing spatial masking with respect to spherical harmonic coefficients
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US9384741B2 (en) * 2013-05-29 2016-07-05 Qualcomm Incorporated Binauralization of rotated higher order ambisonics
BR112015030103B1 (pt) * 2013-05-29 2021-12-28 Qualcomm Incorporated Compressão de representações decomposta de campo sonoro
US11146903B2 (en) 2013-05-29 2021-10-12 Qualcomm Incorporated Compression of decomposed representations of a sound field
JP6186900B2 (ja) 2013-06-04 2017-08-30 ソニー株式会社 固体撮像装置、電子機器、レンズ制御方法、および撮像モジュール
JP6377730B2 (ja) * 2013-06-05 2018-08-22 ドルビー・インターナショナル・アーベー オーディオ信号を符号化する方法及び装置並びにオーディオ信号を復号する方法及び装置
CN105340300B (zh) * 2013-06-18 2018-04-13 杜比实验室特许公司 用于音频呈现的低音管理
EP2824661A1 (en) * 2013-07-11 2015-01-14 Thomson Licensing Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals
EP2830332A3 (en) 2013-07-22 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method, signal processing unit, and computer program for mapping a plurality of input channels of an input channel configuration to output channels of an output channel configuration
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
CN105723743A (zh) * 2013-11-19 2016-06-29 索尼公司 声场再现设备和方法以及程序
CN103618986B (zh) * 2013-11-19 2015-09-30 深圳市新一代信息技术研究院有限公司 一种3d空间中音源声像体的提取方法及装置
EP2879408A1 (en) * 2013-11-28 2015-06-03 Thomson Licensing Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
WO2015102452A1 (en) * 2014-01-03 2015-07-09 Samsung Electronics Co., Ltd. Method and apparatus for improved ambisonic decoding
WO2015104166A1 (en) 2014-01-08 2015-07-16 Thomson Licensing Method and apparatus for improving the coding of side information required for coding a higher order ambisonics representation of a sound field
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
US20150243292A1 (en) * 2014-02-25 2015-08-27 Qualcomm Incorporated Order format signaling for higher-order ambisonic audio data
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
JP6243060B2 (ja) * 2014-03-21 2017-12-06 ドルビー・インターナショナル・アーベー 高次アンビソニックス（ｈｏａ）信号を圧縮する方法、圧縮されたｈｏａ信号を圧縮解除する方法、ｈｏａ信号を圧縮する装置および圧縮されたｈｏａ信号を圧縮解除する装置
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
US9936321B2 (en) 2014-03-24 2018-04-03 Dolby Laboratories Licensing Corporation Method and device for applying dynamic range compression to a higher order ambisonics signal
EP2928216A1 (en) * 2014-03-26 2015-10-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for screen related audio object remapping
WO2015152666A1 (ko) * 2014-04-02 2015-10-08 삼성전자 주식회사 Hoa 신호를 포함하는 오디오 신호를 디코딩하는 방법 및 장치
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US20150332682A1 (en) * 2014-05-16 2015-11-19 Qualcomm Incorporated Spatial relation coding for 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
US9852737B2 (en) * 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
RU2699406C2 (ru) * 2014-05-30 2019-09-05 Сони Корпорейшн Устройство обработки информации и способ обработки информации
CN106415712B (zh) * 2014-05-30 2019-11-15 高通股份有限公司 用于渲染高阶立体混响系数的装置和方法
KR102606212B1 (ko) * 2014-06-27 2023-11-29 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
EP3162086B1 (en) * 2014-06-27 2021-04-07 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
EP2960903A1 (en) * 2014-06-27 2015-12-30 Thomson Licensing Method and 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
EP3489953B8 (en) * 2014-06-27 2022-06-15 Dolby International AB Determining a lowest integer number of bits required for representing non-differential gain values for the compression of an hoa data frame representation
CN106471574B (zh) * 2014-06-30 2021-10-12 索尼公司 信息处理装置和信息处理方法
JP2017523454A (ja) * 2014-07-02 2017-08-17 ドルビー・インターナショナル・アーベー Ｈｏａ信号表現のサブバンド内の優勢な方向性信号の方向のエンコード／デコードのための方法および装置
CN106463131B (zh) * 2014-07-02 2020-12-08 杜比国际公司 用于对hoa信号表示的子带内的主导方向信号的方向进行编码/解码的方法和装置
US9838819B2 (en) * 2014-07-02 2017-12-05 Qualcomm Incorporated Reducing correlation between higher order ambisonic (HOA) background channels
US9736606B2 (en) * 2014-08-01 2017-08-15 Qualcomm Incorporated Editing of higher-order ambisonic audio data
US9847088B2 (en) * 2014-08-29 2017-12-19 Qualcomm Incorporated Intermediate compression for higher order ambisonic audio data
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
US9875745B2 (en) 2014-10-07 2018-01-23 Qualcomm Incorporated Normalization of ambient higher order ambisonic audio data
US10140996B2 (en) 2014-10-10 2018-11-27 Qualcomm Incorporated Signaling layers for scalable coding of higher order ambisonic audio data
EP3007167A1 (en) * 2014-10-10 2016-04-13 Thomson Licensing Method and apparatus for low bit rate compression of a Higher Order Ambisonics HOA signal representation of a sound field
GB2532034A (en) * 2014-11-05 2016-05-11 Lee Smiles Aaron A 3D visual-audio data comprehension method
WO2016123572A1 (en) * 2015-01-30 2016-08-04 Dts, Inc. System and method for capturing, encoding, distributing, and decoding immersive audio
US9712936B2 (en) * 2015-02-03 2017-07-18 Qualcomm Incorporated Coding higher-order ambisonic audio data with motion stabilization
US10327067B2 (en) * 2015-05-08 2019-06-18 Samsung Electronics Co., Ltd. Three-dimensional sound reproduction method and device
JP6466251B2 (ja) * 2015-05-20 2019-02-06 アルパイン株式会社 音場再現システム
TWI607655B (zh) 2015-06-19 2017-12-01 Sony Corp Coding apparatus and method, decoding apparatus and method, and program
US9961467B2 (en) 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from channel-based audio to HOA
US9961475B2 (en) 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from object-based audio to HOA
US10249312B2 (en) * 2015-10-08 2019-04-02 Qualcomm Incorporated Quantization of spatial vectors
CN105895111A (zh) * 2015-12-15 2016-08-24 乐视致新电子科技（天津）有限公司 基于Android的音频内容处理方法及设备
CN108496221B (zh) 2016-01-26 2020-01-21 杜比实验室特许公司 自适应量化
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
EP3232688A1 (en) 2016-04-12 2017-10-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for providing individual sound zones
US10074012B2 (en) 2016-06-17 2018-09-11 Dolby Laboratories Licensing Corporation Sound and video object tracking
CN106340301B (zh) * 2016-09-13 2020-01-24 广州酷狗计算机科技有限公司 一种音频播放方法和装置
WO2018064528A1 (en) * 2016-09-29 2018-04-05 The Trustees Of Princeton University Ambisonic navigation of sound fields from an array of microphones
US10158963B2 (en) * 2017-01-30 2018-12-18 Google Llc Ambisonic audio with non-head tracked stereo based on head position and time
KR20180090022A (ko) * 2017-02-02 2018-08-10 한국전자통신연구원 다중 전방향 카메라 및 마이크 기반 가상현실 제공 방법 및 가상 현실 제공 방법을 수행하는 음향 신호 처리 장치 및 영상 신호 처리 장치
CN110637466B (zh) * 2017-05-16 2021-08-06 索尼公司 扬声器阵列与信号处理装置
US10390166B2 (en) * 2017-05-31 2019-08-20 Qualcomm Incorporated System and method for mixing and adjusting multi-input ambisonics
EP3571855B1 (en) * 2017-06-15 2024-08-21 Dolby International AB Methods, apparatus and systems for optimizing communication between sender(s) and receiver(s) in computer-mediated reality applications
US10405126B2 (en) 2017-06-30 2019-09-03 Qualcomm Incorporated Mixed-order ambisonics (MOA) audio data for computer-mediated reality systems
BR112020000779A2 (pt) * 2017-07-14 2020-07-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. aparelho para gerar uma descrição de campo sonoro aprimorada, aparelho para gerar uma descrição de campo sonoro modificada a partir de uma descrição de campo sonoro e metadados com relação às informações espaciais da descrição de campo sonoro, método para gerar uma descrição de campo sonoro aprimorada, método para gerar uma descrição de campo sonoro modificada a partir de uma descrição de campo sonoro e metadados com relação às informações espaciais da descrição de campo sonoro, programa de computador e descrição de campo sonoro aprimorada.
SG11202000330XA (en) * 2017-07-14 2020-02-27 Fraunhofer Ges Forschung Concept for generating an enhanced sound field description or a modified sound field description using a multi-point sound field description
RU2740703C1 (ru) 2017-07-14 2021-01-20 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Принцип формирования улучшенного описания звукового поля или модифицированного описания звукового поля с использованием многослойного описания
CN109756683B (zh) * 2017-11-02 2024-06-04 深圳市裂石影音科技有限公司 全景音视频录制方法、装置、存储介质和计算机设备
CN107920303B (zh) * 2017-11-21 2019-12-24 北京时代拓灵科技有限公司 一种音频采集的方法及装置
US10595146B2 (en) 2017-12-21 2020-03-17 Verizon Patent And Licensing Inc. Methods and systems for extracting location-diffused ambient sound from a real-world scene
US10264386B1 (en) * 2018-02-09 2019-04-16 Google Llc Directional emphasis in ambisonics
WO2019199040A1 (ko) * 2018-04-10 2019-10-17 가우디오랩 주식회사 메타데이터를 이용하는 오디오 신호 처리 방법 및 장치
GB2574238A (en) * 2018-05-31 2019-12-04 Nokia Technologies Oy Spatial audio parameter merging
GB2576769A (en) 2018-08-31 2020-03-04 Nokia Technologies Oy Spatial parameter signalling
KR102323529B1 (ko) 2018-12-17 2021-11-09 한국전자통신연구원 복합 차수 앰비소닉을 이용한 오디오 신호 처리 방법 및 장치
GB2582910A (en) * 2019-04-02 2020-10-14 Nokia Technologies Oy Audio codec extension
IL289261B2 (en) 2019-07-02 2024-07-01 Dolby Int Ab Methods, apparatus and systems for representation, encoding, and decoding of discrete directivity data
US12426506B2 (en) 2019-07-19 2025-09-23 Evatec Ag Piezoelectric coating and deposition process
JP7285434B2 (ja) * 2019-08-08 2023-06-02 日本電信電話株式会社 スピーカアレイ、信号処理装置、信号処理方法および信号処理プログラム
US10735887B1 (en) * 2019-09-19 2020-08-04 Wave Sciences, LLC Spatial audio array processing system and method
US11430451B2 (en) * 2019-09-26 2022-08-30 Apple Inc. Layered coding of audio with discrete objects
RU2751440C1 (ru) * 2020-10-19 2021-07-13 Федеральное государственное бюджетное образовательное учреждение высшего образования «Московский государственный университет имени М.В.Ломоносова» (МГУ) Система для голографической записи и воспроизведения звуковой информации
CN115226001B (zh) * 2021-11-24 2024-05-03 广州汽车集团股份有限公司 声能量补偿方法、装置及计算机设备
US20240298130A1 (en) * 2023-03-03 2024-09-05 Sony Interactive Entertainment Inc. Systems and methods for generating and applying audio-based basis functions

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1512514A (en) 1974-07-12 1978-06-01 Nat Res Dev Microphone assemblies
US5956674A (en) 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US20030147539A1 (en) 2002-01-11 2003-08-07 Mh Acoustics, Llc, A Delaware Corporation Audio system based on at least second-order eigenbeams
FR2858403B1 (fr) 2003-07-31 2005-11-18 Remy Henri Denis Bruno Systeme et procede de determination d'une representation d'un champ acoustique
CN1677490A (zh) 2004-04-01 2005-10-05 北京宫羽数字技术有限责任公司 一种增强音频编解码装置及方法
JP5023662B2 (ja) * 2006-11-06 2012-09-12 ソニー株式会社 信号処理システム、信号送信装置、信号受信装置およびプログラム
EP2205007B1 (en) * 2008-12-30 2019-01-09 Dolby International AB Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction
EP2451196A1 (en) 2010-11-05 2012-05-09 Thomson Licensing Method and apparatus for generating and for decoding sound field data including ambisonics sound field data of an order higher than three

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