CN106463121B - 较高阶立体混响信号压缩 - Google Patents

较高阶立体混响信号压缩 Download PDF

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Publication number
CN106463121B
CN106463121B CN201580025867.5A CN201580025867A CN106463121B CN 106463121 B CN106463121 B CN 106463121B CN 201580025867 A CN201580025867 A CN 201580025867A CN 106463121 B CN106463121 B CN 106463121B
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hoa coefficients
audio
ambient
foreground
sound field
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CN201580025867.5A
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Chinese (zh)
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CN106463121A (zh
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金墨永
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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
    • G10L19/002—Dynamic bit allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • 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)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
CN201580025867.5A 2014-05-16 2015-05-15 较高阶立体混响信号压缩 Expired - Fee Related CN106463121B (zh)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201461994800P 2014-05-16 2014-05-16
US61/994,800 2014-05-16
US201462004145P 2014-05-28 2014-05-28
US62/004,145 2014-05-28
US14/712,661 US9847087B2 (en) 2014-05-16 2015-05-14 Higher order ambisonics signal compression
US14/712,661 2015-05-14
PCT/US2015/031072 WO2015175933A1 (en) 2014-05-16 2015-05-15 Higher order ambisonics signal compression

Publications (2)

Publication Number Publication Date
CN106463121A CN106463121A (zh) 2017-02-22
CN106463121B true CN106463121B (zh) 2019-07-05

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CN201580025867.5A Expired - Fee Related CN106463121B (zh) 2014-05-16 2015-05-15 较高阶立体混响信号压缩

Country Status (6)

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US (2) US9847087B2 (enExample)
EP (1) EP3143613B1 (enExample)
JP (1) JP6356832B2 (enExample)
KR (1) KR101921403B1 (enExample)
CN (1) CN106463121B (enExample)
WO (1) WO2015175933A1 (enExample)

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EP3324406A1 (en) 2016-11-17 2018-05-23 Fraunhofer Gesellschaft zur Förderung der Angewand Apparatus and method for decomposing an audio signal using a variable threshold
US10332530B2 (en) 2017-01-27 2019-06-25 Google Llc Coding of a soundfield representation
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
US10885921B2 (en) * 2017-07-07 2021-01-05 Qualcomm Incorporated Multi-stream audio coding
US10075802B1 (en) * 2017-08-08 2018-09-11 Qualcomm Incorporated Bitrate allocation for higher order ambisonic audio data
US11270711B2 (en) * 2017-12-21 2022-03-08 Qualcomm Incorproated Higher order ambisonic audio data
US10264386B1 (en) * 2018-02-09 2019-04-16 Google Llc Directional emphasis in ambisonics
US11240623B2 (en) * 2018-08-08 2022-02-01 Qualcomm Incorporated Rendering audio data from independently controlled audio zones
US11432071B2 (en) 2018-08-08 2022-08-30 Qualcomm Incorporated User interface for controlling audio zones
AU2019392876B2 (en) 2018-12-07 2023-04-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for encoding, decoding, scene processing and other procedures related to DirAC based spatial audio coding using direct component compensation
EP3751567B1 (en) * 2019-06-10 2022-01-26 Axis AB A method, a computer program, an encoder and a monitoring device
US12308034B2 (en) * 2019-06-24 2025-05-20 Qualcomm Incorporated Performing psychoacoustic audio coding based on operating conditions
US11361776B2 (en) * 2019-06-24 2022-06-14 Qualcomm Incorporated Coding scaled spatial components
US11538489B2 (en) * 2019-06-24 2022-12-27 Qualcomm Incorporated Correlating scene-based audio data for psychoacoustic audio coding
US12142285B2 (en) * 2019-06-24 2024-11-12 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
CN110544484B (zh) * 2019-09-23 2021-12-21 中科超影（北京）传媒科技有限公司 高阶Ambisonic音频编解码方法及装置
CA3156634A1 (en) 2019-10-30 2021-05-06 Dolby Laboratories Licensing Corporation Bitrate distribution in immersive voice and audio services
GB2615236A (en) * 2020-09-25 2023-08-02 Apple Inc Higher order ambisonics encoding and decoding
CN115938388A (zh) * 2021-05-31 2023-04-07 华为技术有限公司 一种三维音频信号的处理方法和装置
CN114171047B (zh) * 2021-12-23 2024-08-23 思必驰科技股份有限公司 音频信号处理方法、电子设备和存储介质
GB2624890A (en) * 2022-11-29 2024-06-05 Nokia Technologies Oy Parametric spatial audio encoding

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CN102823277A (zh) * 2010-03-26 2012-12-12 汤姆森特许公司 解码用于音频回放的音频声场表示的方法和装置
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WO2014013070A1 (en) * 2012-07-19 2014-01-23 Thomson Licensing Method and device for improving the rendering of multi-channel audio signals
WO2014044812A1 (en) * 2012-09-21 2014-03-27 Dolby International Ab Coding of a sound field signal

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ES2435792T3 (es) 2008-12-15 2013-12-23 Orange Codificación perfeccionada de señales digitales de audio multicanal
FR2947945A1 (fr) 2009-07-07 2011-01-14 France Telecom Allocation de bits dans un codage/decodage d'amelioration d'un codage/decodage hierarchique de signaux audionumeriques
CN102081926B (zh) 2009-11-27 2013-06-05 中兴通讯股份有限公司 格型矢量量化音频编解码方法和系统
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US9769586B2 (en) 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients
WO2014210284A1 (en) 2013-06-27 2014-12-31 Dolby Laboratories Licensing Corporation Bitstream syntax for spatial voice coding
CN104282309A (zh) 2013-07-05 2015-01-14 杜比实验室特许公司 丢包掩蔽装置和方法以及音频处理系统
CN105637582B (zh) * 2013-10-17 2019-12-31 株式会社索思未来 音频编码装置及音频解码装置
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CN102823277A (zh) * 2010-03-26 2012-12-12 汤姆森特许公司 解码用于音频回放的音频声场表示的方法和装置
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
EP2637427A1 (en) * 2012-03-06 2013-09-11 Thomson Licensing Method and apparatus for playback of a higher-order ambisonics audio signal
CN103313182A (zh) * 2012-03-06 2013-09-18 汤姆逊许可公司 用于回放更高阶立体混响音频信号的方法和设备
WO2014013070A1 (en) * 2012-07-19 2014-01-23 Thomson Licensing Method and device for improving the rendering of multi-channel audio signals
WO2014044812A1 (en) * 2012-09-21 2014-03-27 Dolby International Ab Coding of a sound field signal

Also Published As

Publication number Publication date
CN106463121A (zh) 2017-02-22
US9847087B2 (en) 2017-12-19
US20180082694A1 (en) 2018-03-22
JP6356832B2 (ja) 2018-07-11
WO2015175933A1 (en) 2015-11-19
JP2017519239A (ja) 2017-07-13
US10176814B2 (en) 2019-01-08
US20150340044A1 (en) 2015-11-26
KR101921403B1 (ko) 2018-11-22
EP3143613A1 (en) 2017-03-22
KR20170007749A (ko) 2017-01-20
EP3143613B1 (en) 2019-08-07

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