JP6022157B2 - 二次元または三次元音場のアンビソニックス表現の一連のフレームをエンコードおよびデコードする方法および装置 - Google Patents

二次元または三次元音場のアンビソニックス表現の一連のフレームをエンコードおよびデコードする方法および装置 Download PDF

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JP6022157B2
JP6022157B2 JP2011278172A JP2011278172A JP6022157B2 JP 6022157 B2 JP6022157 B2 JP 6022157B2 JP 2011278172 A JP2011278172 A JP 2011278172A JP 2011278172 A JP2011278172 A JP 2011278172A JP 6022157 B2 JP6022157 B2 JP 6022157B2
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JP2012133366A (ja
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ジャックス ピーター
ジャックス ピーター
バトケ ヨハン−マルクス
バトケ ヨハン−マルクス
ベーム ヨハネス
ベーム ヨハネス
コルドン スベン
コルドン スベン
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
    • 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

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JP2011278172A 2010-12-21 2011-12-20 二次元または三次元音場のアンビソニックス表現の一連のフレームをエンコードおよびデコードする方法および装置 Active JP6022157B2 (ja)

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EP10306472A EP2469741A1 (en) 2010-12-21 2010-12-21 Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field

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Families Citing this family (113)

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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
EP2600637A1 (en) * 2011-12-02 2013-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for microphone positioning based on a spatial power density
KR101871234B1 (ko) * 2012-01-02 2018-08-02 삼성전자주식회사 사운드 파노라마 생성 장치 및 방법
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
US9190065B2 (en) * 2012-07-15 2015-11-17 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients
US9288603B2 (en) * 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
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
US9473870B2 (en) * 2012-07-16 2016-10-18 Qualcomm Incorporated Loudspeaker position compensation with 3D-audio hierarchical coding
US9589571B2 (en) 2012-07-19 2017-03-07 Dolby Laboratories Licensing Corporation Method and device for improving the rendering of multi-channel audio signals
US9516446B2 (en) 2012-07-20 2016-12-06 Qualcomm Incorporated Scalable downmix design for object-based surround codec with cluster analysis by synthesis
US9761229B2 (en) * 2012-07-20 2017-09-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for audio object clustering
US9460729B2 (en) * 2012-09-21 2016-10-04 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
US9565314B2 (en) * 2012-09-27 2017-02-07 Dolby Laboratories Licensing Corporation Spatial multiplexing in a soundfield teleconferencing system
EP2733963A1 (en) 2012-11-14 2014-05-21 Thomson Licensing Method and apparatus for facilitating listening to a sound signal for matrixed sound signals
EP2738962A1 (en) * 2012-11-29 2014-06-04 Thomson Licensing Method and apparatus for determining dominant sound source directions in a higher order ambisonics representation of a sound field
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
JP6271586B2 (ja) * 2013-01-16 2018-01-31 ドルビー・インターナショナル・アーベー Ｈｏａラウドネスレベルを測定する方法及びｈｏａラウドネスレベルを測定する装置
US9609452B2 (en) 2013-02-08 2017-03-28 Qualcomm Incorporated Obtaining sparseness information for higher order ambisonic audio renderers
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
WO2014125736A1 (ja) * 2013-02-14 2014-08-21 ソニー株式会社 音声認識装置、および音声認識方法、並びにプログラム
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
US9384741B2 (en) * 2013-05-29 2016-07-05 Qualcomm Incorporated Binauralization of rotated higher order ambisonics
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
EP3005354B1 (en) * 2013-06-05 2019-07-03 Dolby International AB Method for encoding audio signals, apparatus for encoding audio signals, method for decoding audio signals and apparatus for decoding audio signals
CN104244164A (zh) * 2013-06-18 2014-12-24 杜比实验室特许公司 生成环绕立体声声场
EP3017446B1 (en) 2013-07-05 2021-08-25 Dolby International AB Enhanced soundfield coding using parametric component generation
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
US9466302B2 (en) 2013-09-10 2016-10-11 Qualcomm Incorporated Coding of spherical harmonic coefficients
DE102013218176A1 (de) 2013-09-11 2015-03-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur dekorrelation von lautsprechersignalen
US8751832B2 (en) * 2013-09-27 2014-06-10 James A Cashin Secure system and method for audio processing
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
WO2015102452A1 (en) * 2014-01-03 2015-07-09 Samsung Electronics Co., Ltd. Method and apparatus for improved ambisonic decoding
CN111179951B (zh) * 2014-01-08 2024-03-01 杜比国际公司 包括编码hoa表示的位流的解码方法和装置、以及介质
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
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
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
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
JP6863359B2 (ja) * 2014-03-24 2021-04-21 ソニーグループ株式会社 復号装置および方法、並びにプログラム
CN109036441B (zh) * 2014-03-24 2023-06-06 杜比国际公司 对高阶高保真立体声信号应用动态范围压缩的方法和设备
WO2015145782A1 (en) 2014-03-26 2015-10-01 Panasonic Corporation Apparatus and method for surround audio signal processing
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9959876B2 (en) * 2014-05-16 2018-05-01 Qualcomm Incorporated Closed loop quantization of higher order ambisonic coefficients
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
US9620137B2 (en) 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US9847087B2 (en) 2014-05-16 2017-12-19 Qualcomm Incorporated Higher order ambisonics signal compression
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
CN119864039A (zh) * 2014-06-27 2025-04-22 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
JP6656182B2 (ja) * 2014-06-27 2020-03-04 ドルビー・インターナショナル・アーベー Ｈｏａデータ・フレーム表現のデータ・フレームの個々のもののチャネル信号に関連付けられた非差分的な利得値を含む符号化されたｈｏａデータ・フレーム表現
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
KR102433192B1 (ko) * 2014-07-02 2022-08-18 돌비 인터네셔널 에이비 압축된 ｈｏａ 표현을 디코딩하기 위한 방법 및 장치와 압축된 ｈｏａ 표현을 인코딩하기 위한 방법 및 장치
US9838819B2 (en) * 2014-07-02 2017-12-05 Qualcomm Incorporated Reducing correlation between higher order ambisonic (HOA) background channels
EP3164867A1 (en) * 2014-07-02 2017-05-10 Dolby International AB Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation
EP2963949A1 (en) * 2014-07-02 2016-01-06 Thomson Licensing Method and apparatus for decoding a compressed HOA representation, and method and apparatus for encoding a compressed HOA representation
EP3164866A1 (en) * 2014-07-02 2017-05-10 Dolby International AB Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation
EP2963948A1 (en) * 2014-07-02 2016-01-06 Thomson Licensing Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a HOA signal representation
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
US9984693B2 (en) * 2014-10-10 2018-05-29 Qualcomm Incorporated Signaling channels for scalable coding of higher order ambisonic audio data
EP3251116A4 (en) 2015-01-30 2018-07-25 DTS, Inc. System and method for capturing, encoding, distributing, and decoding immersive audio
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
US10334387B2 (en) 2015-06-25 2019-06-25 Dolby Laboratories Licensing Corporation Audio panning transformation system and method
US12087311B2 (en) 2015-07-30 2024-09-10 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding an HOA representation
WO2017017262A1 (en) * 2015-07-30 2017-02-02 Dolby International Ab Method and apparatus for generating from an hoa signal representation a mezzanine hoa signal representation
PH12022551663A1 (en) 2015-10-08 2023-11-13 Dolby Int Ab Layered coding and data structure for compressed higher-order ambisonics sound or sound field representations
CN108140391B (zh) 2015-10-08 2022-12-16 杜比国际公司 用于压缩声音或声场表示的分层编解码
US9959880B2 (en) * 2015-10-14 2018-05-01 Qualcomm Incorporated Coding higher-order ambisonic coefficients during multiple transitions
EP3375208B1 (en) * 2015-11-13 2019-11-06 Dolby International AB Method and apparatus for generating from a multi-channel 2d audio input signal a 3d sound representation signal
US9881628B2 (en) * 2016-01-05 2018-01-30 Qualcomm Incorporated Mixed domain coding of audio
CN108496221B (zh) * 2016-01-26 2020-01-21 杜比实验室特许公司 自适应量化
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
WO2018001489A1 (en) * 2016-06-30 2018-01-04 Huawei Technologies Duesseldorf Gmbh Apparatuses and methods for encoding and decoding a multichannel audio signal
MC200186B1 (fr) * 2016-09-30 2017-10-18 Coronal Encoding Procédé de conversion, d'encodage stéréophonique, de décodage et de transcodage d'un signal audio tridimensionnel
EP3497944A1 (en) * 2016-10-31 2019-06-19 Google LLC Projection-based audio coding
FR3060830A1 (fr) * 2016-12-21 2018-06-22 Orange Traitement en sous-bandes d'un contenu ambisonique reel pour un decodage perfectionne
US10332530B2 (en) * 2017-01-27 2019-06-25 Google Llc Coding of a soundfield representation
US10904992B2 (en) 2017-04-03 2021-01-26 Express Imaging Systems, Llc Systems and methods for outdoor luminaire wireless control
WO2018208560A1 (en) * 2017-05-09 2018-11-15 Dolby Laboratories Licensing Corporation Processing of a multi-channel spatial audio format input signal
JP7224302B2 (ja) 2017-05-09 2023-02-17 ドルビー ラボラトリーズ ライセンシング コーポレイション マルチチャネル空間的オーディオ・フォーマット入力信号の処理
KR102652670B1 (ko) 2017-07-14 2024-04-01 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다중-층 묘사를 이용하여 증강된 음장 묘사 또는 수정된 음장 묘사를 생성하기 위한 개념
CN117319917A (zh) 2017-07-14 2023-12-29 弗劳恩霍夫应用研究促进协会 使用多点声场描述生成经修改的声场描述的装置及方法
CN107705794B (zh) * 2017-09-08 2023-09-26 崔巍 增强型多功能数字音频解码器
US11032580B2 (en) 2017-12-18 2021-06-08 Dish Network L.L.C. Systems and methods for facilitating a personalized viewing experience
RU2749349C1 (ru) * 2018-02-01 2021-06-09 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Кодер аудиосцены, декодер аудиосцены и соответствующие способы, использующие пространственный анализ с гибридным кодером/декодером
US10365885B1 (en) * 2018-02-21 2019-07-30 Sling Media Pvt. Ltd. Systems and methods for composition of audio content from multi-object audio
US10672405B2 (en) * 2018-05-07 2020-06-02 Google Llc Objective quality metrics for ambisonic spatial audio
EP4336497B1 (en) 2018-07-04 2025-12-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multisignal encoder, multisignal decoder, and related methods using signal whitening or signal post processing
KR102824806B1 (ko) 2018-12-07 2025-06-25 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 방향 컴포넌트 보상을 사용하는 DirAC 기반 공간 오디오 코딩과 관련된 인코딩, 디코딩, 장면 처리 및 기타 절차를 위한 장치, 방법 및 컴퓨터 프로그램
US10728689B2 (en) * 2018-12-13 2020-07-28 Qualcomm Incorporated Soundfield modeling for efficient encoding and/or retrieval
WO2020171049A1 (ja) * 2019-02-19 2020-08-27 公立大学法人秋田県立大学 音響信号符号化方法、音響信号復号化方法、プログラム、符号化装置、音響システム、及び復号化装置
US11317497B2 (en) 2019-06-20 2022-04-26 Express Imaging Systems, Llc Photocontroller and/or lamp with photocontrols to control operation of lamp
US11430451B2 (en) * 2019-09-26 2022-08-30 Apple Inc. Layered coding of audio with discrete objects
US11212887B2 (en) 2019-11-04 2021-12-28 Express Imaging Systems, Llc Light having selectively adjustable sets of solid state light sources, circuit and method of operation thereof, to provide variable output characteristics
US11636866B2 (en) * 2020-03-24 2023-04-25 Qualcomm Incorporated Transform ambisonic coefficients using an adaptive network
CN113593585A (zh) * 2020-04-30 2021-11-02 华为技术有限公司 音频信号的比特分配方法和装置
US12380904B2 (en) * 2020-09-25 2025-08-05 Apple Inc. Seamless scalable decoding of channels, objects, and HOA audio content
WO2022096376A2 (en) * 2020-11-03 2022-05-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for audio signal transformation
CN114582356B (zh) * 2020-11-30 2025-06-06 华为技术有限公司 一种音频编解码方法和装置
CN115376527A (zh) * 2021-05-17 2022-11-22 华为技术有限公司 三维音频信号编码方法、装置和编码器
CN113903353B (zh) * 2021-09-27 2024-08-27 随锐科技集团股份有限公司 一种基于空间区分性检测的定向噪声消除方法及装置
WO2024024468A1 (ja) * 2022-07-25 2024-02-01 ソニーグループ株式会社 情報処理装置および方法、符号化装置、音声再生装置、並びにプログラム
US12439488B2 (en) 2022-12-09 2025-10-07 Express Imaging Systems, Llc Field adjustable output for dimmable luminaires
CN119049482A (zh) * 2023-05-27 2024-11-29 华为技术有限公司 场景音频解码方法及电子设备

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100715118B1 (ko) 2000-05-29 2007-05-10 가부시키가이샤 깅가네트 통신장치
US6678647B1 (en) * 2000-06-02 2004-01-13 Agere Systems Inc. Perceptual coding of audio signals using cascaded filterbanks for performing irrelevancy reduction and redundancy reduction with different spectral/temporal resolution
US6934676B2 (en) * 2001-05-11 2005-08-23 Nokia Mobile Phones Ltd. Method and system for inter-channel signal redundancy removal in perceptual audio coding
TWI497485B (zh) * 2004-08-25 2015-08-21 Dolby Lab Licensing Corp 用以重塑經合成輸出音訊信號之時域包絡以更接近輸入音訊信號之時域包絡的方法
SE528706C2 (sv) * 2004-11-12 2007-01-30 Bengt Inge Dalenbaeck Med Catt Anordning och processmetod för surroundljud
KR101237413B1 (ko) * 2005-12-07 2013-02-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법, 오디오 신호의부호화 및 복호화 장치
US8379868B2 (en) * 2006-05-17 2013-02-19 Creative Technology Ltd Spatial audio coding based on universal spatial cues
RU2440627C2 (ru) 2007-02-26 2012-01-20 Долби Лэборетериз Лайсенсинг Корпорейшн Повышение разборчивости речи в звукозаписи развлекательных программ
US8612220B2 (en) * 2007-07-03 2013-12-17 France Telecom Quantization after linear transformation combining the audio signals of a sound scene, and related coder
US8219409B2 (en) 2008-03-31 2012-07-10 Ecole Polytechnique Federale De Lausanne Audio wave field encoding
EP2205007B1 (en) * 2008-12-30 2019-01-09 Dolby International AB Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction
EP2450880A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
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

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