JP6374882B2 - 音場の高次アンビソニクス表現における無相関な音源の方向を決定する方法及び装置 - Google Patents

音場の高次アンビソニクス表現における無相関な音源の方向を決定する方法及び装置 Download PDF

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JP6374882B2
JP6374882B2 JP2015556516A JP2015556516A JP6374882B2 JP 6374882 B2 JP6374882 B2 JP 6374882B2 JP 2015556516 A JP2015556516 A JP 2015556516A JP 2015556516 A JP2015556516 A JP 2015556516A JP 6374882 B2 JP6374882 B2 JP 6374882B2
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dominant
time frame
sound source
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hoa
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JP2016509812A5 (enExample
JP2016509812A (ja
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クルーガー，アレクサンダー
コルドン，スベン
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Dolby International AB
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. 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
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0272—Voice signal separating
    • 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)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Stereophonic System (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP2015556516A 2013-02-08 2014-02-07 音場の高次アンビソニクス表現における無相関な音源の方向を決定する方法及び装置 Active JP6374882B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20130305156 EP2765791A1 (en) 2013-02-08 2013-02-08 Method and apparatus for determining directions of uncorrelated sound sources in a higher order ambisonics representation of a sound field
EP13305156.5 2013-02-08
PCT/EP2014/052479 WO2014122287A1 (en) 2013-02-08 2014-02-07 Method and apparatus for determining directions of uncorrelated sound sources in a higher order ambisonics representation of a sound field

Publications (3)

Publication Number Publication Date
JP2016509812A JP2016509812A (ja) 2016-03-31
JP2016509812A5 JP2016509812A5 (enExample) 2017-02-09
JP6374882B2 true JP6374882B2 (ja) 2018-08-15

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US (1) US9622008B2 (enExample)
EP (2) EP2765791A1 (enExample)
JP (1) JP6374882B2 (enExample)
KR (1) KR102220187B1 (enExample)
CN (1) CN104995926B (enExample)
TW (1) TWI647961B (enExample)
WO (1) WO2014122287A1 (enExample)

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EP2665208A1 (en) 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
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
EP2800401A1 (en) 2013-04-29 2014-11-05 Thomson Licensing Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
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
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
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
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
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
EP3357259B1 (en) 2015-09-30 2020-09-23 Dolby International AB Method and apparatus for generating 3d audio content from two-channel stereo content
CN105516875B (zh) * 2015-12-02 2020-03-06 上海航空电器有限公司 用于快速测量虚拟声音产生设备空间角度分辨率的装置
GR1008860B (el) * 2015-12-29 2016-09-27 Κωνσταντινος Δημητριου Σπυροπουλος Συστημα διαχωρισμου ομιλητων απο οπτικοακουστικα δεδομενα
US10089063B2 (en) 2016-08-10 2018-10-02 Qualcomm Incorporated Multimedia device for processing spatialized audio based on movement
JP6723120B2 (ja) * 2016-09-05 2020-07-15 本田技研工業株式会社 音響処理装置および音響処理方法
CN107147975B (zh) * 2017-04-26 2019-05-14 北京大学 一种面向不规则扬声器摆放的Ambisonics匹配投影解码方法
US10893373B2 (en) 2017-05-09 2021-01-12 Dolby Laboratories Licensing Corporation Processing of a multi-channel spatial audio format input signal
US10405126B2 (en) 2017-06-30 2019-09-03 Qualcomm Incorporated Mixed-order ambisonics (MOA) audio data for computer-mediated reality systems
FR3074584A1 (fr) 2017-12-05 2019-06-07 Orange Traitement de donnees d'une sequence video pour un zoom sur un locuteur detecte dans la sequence
CN110751956B (zh) * 2019-09-17 2022-04-26 北京时代拓灵科技有限公司 一种沉浸式音频渲染方法及系统
CN111933182B (zh) * 2020-08-07 2024-04-19 抖音视界有限公司 声源跟踪方法、装置、设备和存储介质
CN112019971B (zh) * 2020-08-21 2022-03-22 安声(重庆)电子科技有限公司 声场构建方法、装置、电子设备及计算机可读存储介质
US11743670B2 (en) 2020-12-18 2023-08-29 Qualcomm Incorporated Correlation-based rendering with multiple distributed streams accounting for an occlusion for six degree of freedom applications
CN117395591B (zh) * 2021-03-05 2026-08-11 华为技术有限公司 Hoa系数的获取方法和装置
CN117686976B (zh) * 2023-11-28 2026-08-04 西北工业大学 用于二维声源定位的无量化误差的位置编解码方法

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GB9915398D0 (en) 1999-07-02 1999-09-01 Baker Matthew J Magnetic particles
FR2801108B1 (fr) 1999-11-16 2002-03-01 Maxmat S A Analyseur chimique ou biochimique a regulation de la temperature reactionnelle
FR2839565B1 (fr) * 2002-05-07 2004-11-19 Remy Henri Denis Bruno Procede et systeme de representation d'un champ acoustique
FR2858403B1 (fr) * 2003-07-31 2005-11-18 Remy Henri Denis Bruno Systeme et procede de determination d'une representation d'un champ acoustique
US8848481B2 (en) * 2008-07-08 2014-09-30 Bruel & Kjaer Sound & Vibration Measurement A/S Reconstructing an acoustic field
US8705750B2 (en) * 2009-06-25 2014-04-22 Berges Allmenndigitale Rådgivningstjeneste Device and method for converting spatial audio signal
AU2010305313B2 (en) * 2009-10-07 2015-05-28 The University Of Sydney Reconstruction of a recorded sound field
EP2553947B1 (en) * 2010-03-26 2014-05-07 Thomson Licensing Method and device for decoding an audio soundfield representation for audio playback
ES2922639T3 (es) * 2010-08-27 2022-09-19 Sennheiser Electronic Gmbh & Co Kg Método y dispositivo para la reproducción mejorada de campo sonoro de señales de entrada de audio codificadas espacialmente
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
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
EP2665208A1 (en) 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
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
US9736609B2 (en) * 2013-02-07 2017-08-15 Qualcomm Incorporated Determining renderers for spherical harmonic coefficients

Also Published As

Publication number Publication date
KR20150115779A (ko) 2015-10-14
CN104995926A (zh) 2015-10-21
CN104995926B (zh) 2017-12-26
TWI647961B (zh) 2019-01-11
EP2954700A1 (en) 2015-12-16
KR102220187B1 (ko) 2021-02-25
US20150373471A1 (en) 2015-12-24
WO2014122287A1 (en) 2014-08-14
JP2016509812A (ja) 2016-03-31
EP2765791A1 (en) 2014-08-13
US9622008B2 (en) 2017-04-11
TW201448616A (zh) 2014-12-16
EP2954700B1 (en) 2018-03-07

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