TWI647961B - 聲場的高階保真立體音響表示法中不相關聲源方向之決定方法及裝置 - Google Patents

聲場的高階保真立體音響表示法中不相關聲源方向之決定方法及裝置 Download PDF

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TWI647961B
TWI647961B TW103104224A TW103104224A TWI647961B TW I647961 B TWI647961 B TW I647961B TW 103104224 A TW103104224 A TW 103104224A TW 103104224 A TW103104224 A TW 103104224A TW I647961 B TWI647961 B TW I647961B
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Prior art keywords
sound source
time frame
dominant
hoa
dominant sound
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TW103104224A
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English (en)
Chinese (zh)
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TW201448616A (zh
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亞歷山大 克魯格
斯凡 科登
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瑞典商杜比國際公司
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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)
TW103104224A 2013-02-08 2014-02-10 聲場的高階保真立體音響表示法中不相關聲源方向之決定方法及裝置 TWI647961B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
??13305156.5 2013-02-08
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

Publications (2)

Publication Number Publication Date
TW201448616A TW201448616A (zh) 2014-12-16
TWI647961B true TWI647961B (zh) 2019-01-11

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TW103104224A TWI647961B (zh) 2013-02-08 2014-02-10 聲場的高階保真立體音響表示法中不相關聲源方向之決定方法及裝置

Country Status (7)

Country Link
US (1) US9622008B2 (https=)
EP (2) EP2765791A1 (https=)
JP (1) JP6374882B2 (https=)
KR (1) KR102220187B1 (https=)
CN (1) CN104995926B (https=)
TW (1) TWI647961B (https=)
WO (1) WO2014122287A1 (https=)

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EP2800401A1 (en) 2013-04-29 2014-11-05 Thomson Licensing Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
US9495968B2 (en) 2013-05-29 2016-11-15 Qualcomm Incorporated Identifying sources from which higher order ambisonic audio data is generated
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US9502045B2 (en) 2014-01-30 2016-11-22 Qualcomm Incorporated Coding independent frames of ambient higher-order ambisonic coefficients
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
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
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
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
CN115038027B (zh) * 2021-03-05 2023-07-07 华为技术有限公司 Hoa系数的获取方法和装置

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WO2011041834A1 (en) * 2009-10-07 2011-04-14 The University Of Sydney Reconstruction of a recorded sound field
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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Also Published As

Publication number Publication date
JP2016509812A (ja) 2016-03-31
EP2765791A1 (en) 2014-08-13
WO2014122287A1 (en) 2014-08-14
TW201448616A (zh) 2014-12-16
KR102220187B1 (ko) 2021-02-25
EP2954700B1 (en) 2018-03-07
JP6374882B2 (ja) 2018-08-15
KR20150115779A (ko) 2015-10-14
CN104995926A (zh) 2015-10-21
US20150373471A1 (en) 2015-12-24
EP2954700A1 (en) 2015-12-16
US9622008B2 (en) 2017-04-11
CN104995926B (zh) 2017-12-26

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