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

Info

Publication number
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
Authority
JP
Japan
Prior art keywords
hoa
ambisonics
data
data structure
audio
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2013537071A
Other languages
English (en)
Japanese (ja)
Other versions
JP2013545391A (ja
JP2013545391A5 (enExample
Inventor
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
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of JP2013545391A publication Critical patent/JP2013545391A/ja
Publication of JP2013545391A5 publication Critical patent/JP2013545391A5/ja
Application granted granted Critical
Publication of JP5823529B2 publication Critical patent/JP5823529B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00Stereophonic arrangements
    • H04R5/02Spatial or constructional arrangements of loudspeakers
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/16Vocoder architecture
    • G10L19/167Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11Application of ambisonics in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (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)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (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
EP10306211.3 2010-11-05
EP10306211A EP2450880A1 (en) 2010-11-05 2010-11-05 Data structure for Higher Order Ambisonics audio data
PCT/EP2011/068782 WO2012059385A1 (en) 2010-11-05 2011-10-26 Data structure for higher order ambisonics audio data

Publications (3)

Publication Number Publication Date
JP2013545391A JP2013545391A (ja) 2013-12-19
JP2013545391A5 JP2013545391A5 (enExample) 2014-11-27
JP5823529B2 true JP5823529B2 (ja) 2015-11-25

Family

ID=43806783

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2013537071A Active JP5823529B2 (ja) 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

Country Status (9)

Country Link
US (1) US9241216B2 (enExample)
EP (2) EP2450880A1 (enExample)
JP (1) JP5823529B2 (enExample)
KR (1) KR101824287B1 (enExample)
CN (1) CN103250207B (enExample)
AU (1) AU2011325335B8 (enExample)
BR (1) BR112013010754B1 (enExample)
PT (1) PT2636036E (enExample)
WO (1) WO2012059385A1 (enExample)

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
BR112015001128B1 (pt) 2012-07-16 2021-09-08 Dolby International Ab Método e dispositivo para renderização de uma representação de um som ou campo sonoro 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
WO2014013070A1 (en) 2012-07-19 2014-01-23 Thomson Licensing Method and device for improving the rendering of multi-channel audio signals
EP2898506B1 (en) * 2012-09-21 2018-01-17 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
CN104937843B (zh) * 2013-01-16 2018-05-18 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
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
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
US9609452B2 (en) 2013-02-08 2017-03-28 Qualcomm Incorporated Obtaining sparseness information for higher order ambisonic audio renderers
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
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
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
US9667959B2 (en) 2013-03-29 2017-05-30 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
US9716959B2 (en) 2013-05-29 2017-07-25 Qualcomm Incorporated Compensating for error in decomposed representations of sound fields
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
BR112015030103B1 (pt) * 2013-05-29 2021-12-28 Qualcomm Incorporated Compressão de representações decomposta de campo sonoro
US9384741B2 (en) * 2013-05-29 2016-07-05 Qualcomm Incorporated Binauralization of rotated higher order ambisonics
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
EP3923279B1 (en) * 2013-06-05 2023-12-27 Dolby International AB Apparatus for decoding audio signals and method for decoding audio signals
EP3011764B1 (en) 2013-06-18 2018-11-21 Dolby Laboratories Licensing Corporation Bass management for audio rendering
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
EP2830335A3 (en) * 2013-07-22 2015-02-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method, and computer program for mapping first and second input channels to at least one output channel
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
EP3073766A4 (en) * 2013-11-19 2017-07-05 Sony Corporation Sound field re-creation device, method, and program
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
US10020000B2 (en) * 2014-01-03 2018-07-10 Samsung Electronics Co., Ltd. Method and apparatus for improved ambisonic decoding
KR20240116835A (ko) * 2014-01-08 2024-07-30 돌비 인터네셔널 에이비 사운드 필드의 고차 앰비소닉스 표현을 코딩하기 위해 요구되는 사이드 정보의 코딩을 개선하기 위한 방법 및 장치
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
EP3120352B1 (en) * 2014-03-21 2019-05-01 Dolby International AB 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
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
KR102596944B1 (ko) 2014-03-24 2023-11-02 돌비 인터네셔널 에이비 고차 앰비소닉스 신호에 동적 범위 압축을 적용하는 방법 및 디바이스
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
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
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
CN110827839B (zh) * 2014-05-30 2023-09-19 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
AU2015267864A1 (en) * 2014-05-30 2016-12-01 Sony Corporation Information processing device and information processing method
KR102454747B1 (ko) * 2014-06-27 2022-10-17 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치
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
US9794713B2 (en) 2014-06-27 2017-10-17 Dolby Laboratories Licensing Corporation Coded HOA data frame representation that includes non-differential gain values associated with channel signals of specific ones of the dataframes of an HOA data frame representation
CN120032651A (zh) * 2014-06-27 2025-05-23 杜比国际公司 针对hoa数据帧表示的压缩确定表示非差分增益值所需的最小整数比特数的方法
AU2015285344A1 (en) * 2014-06-30 2016-12-22 Sony Corporation Information processor and information-processing method
US9838819B2 (en) * 2014-07-02 2017-12-05 Qualcomm Incorporated Reducing correlation between higher order ambisonic (HOA) background channels
CN106471579B (zh) * 2014-07-02 2020-12-18 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
KR102363275B1 (ko) * 2014-07-02 2022-02-16 돌비 인터네셔널 에이비 Hoa 신호 표현의 부대역들 내의 우세 방향 신호들의 방향들의 인코딩/디코딩을 위한 방법 및 장치
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
US9794721B2 (en) * 2015-01-30 2017-10-17 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
US9961475B2 (en) 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from object-based audio to HOA
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
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
US11076230B2 (en) * 2017-05-16 2021-07-27 Sony Corporation Speaker array, and signal processing apparatus
US10390166B2 (en) * 2017-05-31 2019-08-20 Qualcomm Incorporated System and method for mixing and adjusting multi-input ambisonics
JP7212622B2 (ja) * 2017-06-15 2023-01-25 ドルビー・インターナショナル・アーベー コンピュータ媒介式の現実アプリケーションにおける送信器と受信器との間の通信を最適化する方法、装置およびシステム
US10405126B2 (en) * 2017-06-30 2019-09-03 Qualcomm Incorporated Mixed-order ambisonics (MOA) audio data for computer-mediated reality systems
KR102654507B1 (ko) * 2017-07-14 2024-04-05 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다중-지점 음장 묘사를 이용하여 증강된 음장 묘사 또는 수정된 음장 묘사를 생성하기 위한 개념
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.
AR112504A1 (es) * 2017-07-14 2019-11-06 Fraunhofer Ges Forschung Concepto para generar una descripción mejorada de campo de sonido o un campo de sonido modificado utilizando una descripción multi-capa
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
JP7102024B2 (ja) 2018-04-10 2022-07-19 ガウディオ・ラボ・インコーポレイテッド メタデータを利用するオーディオ信号処理装置
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
CA3145444A1 (en) 2019-07-02 2021-01-07 Dolby International 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

Also Published As

Publication number Publication date
HK1189297A1 (en) 2014-05-30
BR112013010754A2 (pt) 2018-05-02
KR101824287B1 (ko) 2018-01-31
CN103250207A (zh) 2013-08-14
AU2011325335A1 (en) 2013-05-09
US9241216B2 (en) 2016-01-19
BR112013010754A8 (pt) 2018-06-12
AU2011325335B8 (en) 2015-06-04
AU2011325335B2 (en) 2015-05-21
WO2012059385A1 (en) 2012-05-10
CN103250207B (zh) 2016-01-20
EP2636036B1 (en) 2014-08-27
JP2013545391A (ja) 2013-12-19
EP2636036A1 (en) 2013-09-11
PT2636036E (pt) 2014-10-13
EP2450880A1 (en) 2012-05-09
KR20140000240A (ko) 2014-01-02
AU2011325335A8 (en) 2015-06-04
BR112013010754B1 (pt) 2021-06-15
US20130216070A1 (en) 2013-08-22

Similar Documents

Publication Publication Date Title
JP5823529B2 (ja) 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
US10332532B2 (en) Encoding/decoding apparatus for processing channel signal and method therefor
TWI646847B (zh) 屬於第1階保真立體音響訊號且具有第0階和第1階係數的輸入訊號指向性之增進方法及裝置
TWI748636B (zh) 用於解碼聲音或聲場的高階保真立體音響(hoa)表示的方法
CN105981411A (zh) 用于高声道计数的多声道音频的基于多元组的矩阵混合
US20140086416A1 (en) Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients
US12424229B2 (en) Methods and apparatus for determining for decoding a compressed HOA sound representation
WO2015011000A1 (en) Apparatus and method for efficient object metadata coding
JP6374980B2 (ja) サラウンドオーディオ信号処理のための装置及び方法
TWI735083B (zh) 對於高階保真立體音響資料框表示之壓縮判定用於描述非差分增益值表示的最低整數位元數之方法與裝置
US12494215B2 (en) Encoding/decoding apparatus for processing channel signal and method therefor
HK1189297B (en) Data structure for higher order ambisonics audio data
JP2018196133A (ja) サラウンドオーディオ信号処理のための装置及び方法

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20141003

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20141003

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20150522

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20150602

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150818

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20150908

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20151007

R150 Certificate of patent or registration of utility model

Ref document number: 5823529

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250