CN105027200B - 变换球谐系数 - Google Patents

变换球谐系数 Download PDF

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Publication number
CN105027200B
CN105027200B CN201480011287.6A CN201480011287A CN105027200B CN 105027200 B CN105027200 B CN 105027200B CN 201480011287 A CN201480011287 A CN 201480011287A CN 105027200 B CN105027200 B CN 105027200B
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sound field
bitstream
hierarchical elements
transform
describing
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CN105027200A (zh
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迪潘让·森
马丁·詹姆斯·莫雷尔
尼尔斯·京特·彼得斯
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Qualcomm Inc
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Qualcomm Inc
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    • 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
    • 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
    • G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
    • 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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
CN201480011287.6A 2013-03-01 2014-02-28 变换球谐系数 Active CN105027200B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201361771677P 2013-03-01 2013-03-01
US61/771,677 2013-03-01
US201361860201P 2013-07-30 2013-07-30
US61/860,201 2013-07-30
US14/192,829 2014-02-27
US14/192,829 US9685163B2 (en) 2013-03-01 2014-02-27 Transforming spherical harmonic coefficients
PCT/US2014/019468 WO2014134472A2 (en) 2013-03-01 2014-02-28 Transforming spherical harmonic coefficients

Publications (2)

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CN105027200A CN105027200A (zh) 2015-11-04
CN105027200B true CN105027200B (zh) 2019-04-09

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CN201480011287.6A Active CN105027200B (zh) 2013-03-01 2014-02-28 变换球谐系数
CN201480011198.1A Active CN105027199B (zh) 2013-03-01 2014-02-28 在位流中指定球谐系数和/或高阶立体混响系数

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CN201480011198.1A Active CN105027199B (zh) 2013-03-01 2014-02-28 在位流中指定球谐系数和/或高阶立体混响系数

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US (2) US9685163B2 (cg-RX-API-DMAC7.html)
EP (2) EP2962297B1 (cg-RX-API-DMAC7.html)
JP (2) JP2016510905A (cg-RX-API-DMAC7.html)
KR (2) KR101854964B1 (cg-RX-API-DMAC7.html)
CN (2) CN105027200B (cg-RX-API-DMAC7.html)
BR (1) BR112015020892A2 (cg-RX-API-DMAC7.html)
ES (1) ES2738490T3 (cg-RX-API-DMAC7.html)
HU (1) HUE045446T2 (cg-RX-API-DMAC7.html)
TW (2) TWI603631B (cg-RX-API-DMAC7.html)
WO (2) WO2014134462A2 (cg-RX-API-DMAC7.html)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
US9685163B2 (en) 2013-03-01 2017-06-20 Qualcomm Incorporated Transforming spherical harmonic coefficients
US9412385B2 (en) * 2013-05-28 2016-08-09 Qualcomm Incorporated Performing spatial masking with respect to spherical harmonic coefficients
US9854377B2 (en) 2013-05-29 2017-12-26 Qualcomm Incorporated Interpolation for decomposed representations of a sound field
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
EP3503096B1 (en) * 2013-06-05 2021-08-04 Dolby International AB Apparatus for decoding audio signals and method for decoding audio signals
EP2879408A1 (en) * 2013-11-28 2015-06-03 Thomson Licensing Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
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
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
MX2016005809A (es) * 2014-09-12 2016-08-01 Sony Corp Dispositivo de transmision, metodo de transmision, dispositivo de recepcion y metodo de recepcion.
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
RU2708942C2 (ru) * 2014-10-24 2019-12-12 Долби Интернешнл Аб Кодирование и декодирование аудиосигналов
US10452651B1 (en) 2014-12-23 2019-10-22 Palantir Technologies Inc. Searching charts
CN104795064B (zh) * 2015-03-30 2018-04-13 福州大学 低信噪比声场景下声音事件的识别方法
US10706860B2 (en) 2015-10-08 2020-07-07 Dolby International Ab Layered coding for compressed sound or sound field representations
FR3050601B1 (fr) * 2016-04-26 2018-06-22 Arkamys Procede et systeme de diffusion d'un signal audio a 360°
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
JP7115477B2 (ja) * 2017-07-05 2022-08-09 ソニーグループ株式会社 信号処理装置および方法、並びにプログラム
BR112020000775A2 (pt) 2017-07-14 2020-07-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. aparelho para gerar uma descrição do campo sonoro, programa de computador, descrição do campo sonoro aprimorada e seu método de geração
KR102568365B1 (ko) 2017-07-14 2023-08-18 프라운 호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 깊이-확장형 DirAC 기술 또는 기타 기술을 이용하여 증강된 음장 묘사 또는 수정된 음장 묘사를 생성하기 위한 개념
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
US10075802B1 (en) 2017-08-08 2018-09-11 Qualcomm Incorporated Bitrate allocation for higher order ambisonic audio data
US11281726B2 (en) 2017-12-01 2022-03-22 Palantir Technologies Inc. System and methods for faster processor comparisons of visual graph features
US10419138B2 (en) * 2017-12-22 2019-09-17 At&T Intellectual Property I, L.P. Radio-based channel sounding using phased array antennas
GB2572650A (en) * 2018-04-06 2019-10-09 Nokia Technologies Oy Spatial audio parameters and associated spatial audio playback
CN119649827A (zh) 2018-04-16 2025-03-18 杜比实验室特许公司 用于定向声源的编码及解码的方法、设备及系统
JP7575947B2 (ja) * 2018-07-02 2024-10-30 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 没入的オーディオ信号を含むビットストリームを生成するための方法および装置
EP3818730A4 (en) * 2018-07-03 2022-08-31 Nokia Technologies Oy Energy-ratio signalling and synthesis
US12308034B2 (en) * 2019-06-24 2025-05-20 Qualcomm Incorporated Performing psychoacoustic audio coding based on operating conditions
US12142285B2 (en) 2019-06-24 2024-11-12 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
US11043742B2 (en) 2019-07-31 2021-06-22 At&T Intellectual Property I, L.P. Phased array mobile channel sounding system
US12177644B2 (en) 2019-11-04 2024-12-24 Qualcomm Incorporated Signalling of audio effect metadata in a bitstream
GB2615236A (en) * 2020-09-25 2023-08-02 Apple Inc Higher order ambisonics encoding and decoding
WO2022096376A2 (en) * 2020-11-03 2022-05-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for audio signal transformation
EP4174637A1 (en) * 2021-10-26 2023-05-03 Koninklijke Philips N.V. Bitstream representing audio in an environment
US20250078845A1 (en) * 2023-08-29 2025-03-06 Samsung Electronics Co., Ltd. Lossless audio coding for multichannel hierarchical reconstruction

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101401151A (zh) * 2006-03-15 2009-04-01 法国电信公司 根据主分量分析的多通道音频信号的可分级编码的设备和方法
CN101730832A (zh) * 2007-05-10 2010-06-09 法国电信 音频编解码方法及相编解码器和计算机程序
CN102460573A (zh) * 2009-06-24 2012-05-16 弗兰霍菲尔运输应用研究公司 音频信号译码器、对音频信号译码的方法、以及使用级联音频对象处理级的计算机程序
CN102547549A (zh) * 2010-12-21 2012-07-04 汤姆森特许公司 编码解码2或3维声场环绕声表示的连续帧的方法和装置
US20120314878A1 (en) * 2010-02-26 2012-12-13 France Telecom Multichannel audio stream compression

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5594800A (en) 1991-02-15 1997-01-14 Trifield Productions Limited Sound reproduction system having a matrix converter
GB9103207D0 (en) 1991-02-15 1991-04-03 Gerzon Michael A Stereophonic sound reproduction system
AUPO099696A0 (en) 1996-07-12 1996-08-08 Lake Dsp Pty Limited Methods and apparatus for processing spatialised audio
US6021206A (en) 1996-10-02 2000-02-01 Lake Dsp Pty Ltd Methods and apparatus for processing spatialised audio
JPH1118199A (ja) 1997-06-26 1999-01-22 Nippon Columbia Co Ltd 音響処理装置
EP1275272B1 (en) 2000-04-19 2012-11-21 SNK Tech Investment L.L.C. Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics in three dimensions
FR2847376B1 (fr) * 2002-11-19 2005-02-04 France Telecom Procede de traitement de donnees sonores et dispositif d'acquisition sonore mettant en oeuvre ce procede
US7167176B2 (en) 2003-08-15 2007-01-23 Microsoft Corporation Clustered principal components for precomputed radiance transfer
US20070208571A1 (en) * 2004-04-21 2007-09-06 Pierre-Anthony Stivell Lemieux Audio Bitstream Format In Which The Bitstream Syntax Is Described By An Ordered Transversal of A Tree Hierarchy Data Structure
US20060247918A1 (en) 2005-04-29 2006-11-02 Microsoft Corporation Systems and methods for 3D audio programming and processing
US7589725B2 (en) 2006-06-30 2009-09-15 Microsoft Corporation Soft shadows in dynamic scenes
EP2459742B1 (en) * 2009-07-29 2016-04-06 Pharnext New diagnostic tools for alzheimer disease
US9552840B2 (en) 2010-10-25 2017-01-24 Qualcomm Incorporated Three-dimensional sound capturing and reproducing with multi-microphones
EP2450880A1 (en) 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
CN102333265B (zh) 2011-05-20 2014-02-19 南京大学 一种基于连续声源概念的三维局部空间声场重放方法
EP2541547A1 (en) 2011-06-30 2013-01-02 Thomson Licensing Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation
US20140214431A1 (en) * 2011-07-01 2014-07-31 Dolby Laboratories Licensing Corporation Sample rate scalable lossless audio coding
CA2837893C (en) * 2011-07-01 2017-08-29 Dolby Laboratories Licensing Corporation System and method for adaptive audio signal generation, coding and rendering
WO2014046916A1 (en) 2012-09-21 2014-03-27 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
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
US9685163B2 (en) 2013-03-01 2017-06-20 Qualcomm Incorporated Transforming spherical harmonic coefficients

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101401151A (zh) * 2006-03-15 2009-04-01 法国电信公司 根据主分量分析的多通道音频信号的可分级编码的设备和方法
CN101730832A (zh) * 2007-05-10 2010-06-09 法国电信 音频编解码方法及相编解码器和计算机程序
CN102460573A (zh) * 2009-06-24 2012-05-16 弗兰霍菲尔运输应用研究公司 音频信号译码器、对音频信号译码的方法、以及使用级联音频对象处理级的计算机程序
US20120314878A1 (en) * 2010-02-26 2012-12-13 France Telecom Multichannel audio stream compression
CN102547549A (zh) * 2010-12-21 2012-07-04 汤姆森特许公司 编码解码2或3维声场环绕声表示的连续帧的方法和装置

Also Published As

Publication number Publication date
JP2016510905A (ja) 2016-04-11
JP2016513811A (ja) 2016-05-16
WO2014134472A2 (en) 2014-09-04
EP2962297A2 (en) 2016-01-06
HUE045446T2 (hu) 2019-12-30
WO2014134462A3 (en) 2014-11-13
BR112015020892A2 (pt) 2017-07-18
US20140249827A1 (en) 2014-09-04
TW201503712A (zh) 2015-01-16
KR20150123311A (ko) 2015-11-03
KR20150123310A (ko) 2015-11-03
US20140247946A1 (en) 2014-09-04
TWI603631B (zh) 2017-10-21
WO2014134472A3 (en) 2015-03-19
EP2962298A2 (en) 2016-01-06
TW201446016A (zh) 2014-12-01
CN105027200A (zh) 2015-11-04
WO2014134462A2 (en) 2014-09-04
CN105027199B (zh) 2018-05-29
EP2962297B1 (en) 2019-06-05
CN105027199A (zh) 2015-11-04
TWI583210B (zh) 2017-05-11
US9685163B2 (en) 2017-06-20
ES2738490T3 (es) 2020-01-23
US9959875B2 (en) 2018-05-01
EP2962298B1 (en) 2019-04-24
KR101854964B1 (ko) 2018-05-04

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