JP2017519239A5 - - Google Patents

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Publication number
JP2017519239A5
JP2017519239A5 JP2016567649A JP2016567649A JP2017519239A5 JP 2017519239 A5 JP2017519239 A5 JP 2017519239A5 JP 2016567649 A JP2016567649 A JP 2016567649A JP 2016567649 A JP2016567649 A JP 2016567649A JP 2017519239 A5 JP2017519239 A5 JP 2017519239A5
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JP
Japan
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bits
encoded
audio object
sound field
metadata
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JP2016567649A
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English (en)
Japanese (ja)
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JP2017519239A (ja
JP6356832B2 (ja
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Priority claimed from US14/712,661 external-priority patent/US9847087B2/en
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Publication of JP2017519239A5 publication Critical patent/JP2017519239A5/ja
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Publication of JP6356832B2 publication Critical patent/JP6356832B2/ja
Expired - Fee Related legal-status Critical Current
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JP2016567649A 2014-05-16 2015-05-15 高次アンビソニックス信号の圧縮 Expired - Fee Related JP6356832B2 (ja)

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 (3)

Publication Number Publication Date
JP2017519239A JP2017519239A (ja) 2017-07-13
JP2017519239A5 true JP2017519239A5 (enExample) 2018-03-29
JP6356832B2 JP6356832B2 (ja) 2018-07-11

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JP2016567649A Expired - Fee Related JP6356832B2 (ja) 2014-05-16 2015-05-15 高次アンビソニックス信号の圧縮

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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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
US9847087B2 (en) 2014-05-16 2017-12-19 Qualcomm Incorporated Higher order ambisonics signal compression
US10468037B2 (en) * 2015-07-30 2019-11-05 Dolby Laboratories Licensing Corporation Method and apparatus for generating from an HOA signal representation a mezzanine HOA signal representation
US12087311B2 (en) 2015-07-30 2024-09-10 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding an HOA representation
CN108496221B (zh) * 2016-01-26 2020-01-21 杜比实验室特许公司 自适应量化
US9913061B1 (en) 2016-08-29 2018-03-06 The Directv Group, Inc. Methods and systems for rendering binaural audio content
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
US10893373B2 (en) 2017-05-09 2021-01-12 Dolby Laboratories Licensing Corporation Processing of a multi-channel spatial audio format input signal
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
US11432071B2 (en) 2018-08-08 2022-08-30 Qualcomm Incorporated User interface for controlling audio zones
US11240623B2 (en) * 2018-08-08 2022-02-01 Qualcomm Incorporated Rendering audio data from independently controlled audio zones
MX2021006565A (es) 2018-12-07 2021-08-11 Fraunhofer Ges Forschung Aparato, metodo y programa de computadora para codificacion, decodificacion, procesamiento de escenas y otros procedimientos relacionados con codificacion de audio espacial basada en dirac que utiliza compensacion difusa.
EP3751567B1 (en) * 2019-06-10 2022-01-26 Axis AB A method, a computer program, an encoder and a monitoring device
US12142285B2 (en) * 2019-06-24 2024-11-12 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
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
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
US12283281B2 (en) 2019-10-30 2025-04-22 Dolby Laboratories Licensing Corporation Bitrate distribution in immersive voice and audio services
DE112021005087T5 (de) * 2020-09-25 2023-08-10 Apple Inc. Kodierung und dekodierung für higher-order-ambisonics
CN115938388B (zh) * 2021-05-31 2026-05-26 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
CN118138980A (zh) * 2022-12-02 2024-06-04 华为技术有限公司 场景音频解码方法及电子设备
US20250279104A1 (en) * 2024-03-01 2025-09-04 Samsung Electronics Co., Ltd. Adaptive Ambisonics Compression

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FR2898725A1 (fr) * 2006-03-15 2007-09-21 France Telecom Dispositif et procede de codage gradue d'un signal audio multi-canal selon une analyse en composante principale
WO2010076460A1 (fr) 2008-12-15 2010-07-08 France Telecom Codage perfectionne de signaux audionumériques multicanaux
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
EP2553947B1 (en) * 2010-03-26 2014-05-07 Thomson Licensing Method and device for decoding an audio soundfield representation for audio playback
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
EP2637427A1 (en) * 2012-03-06 2013-09-11 Thomson Licensing Method and apparatus for playback of a higher-order ambisonics audio signal
TWI590234B (zh) * 2012-07-19 2017-07-01 杜比國際公司 編碼聲訊資料之方法和裝置，以及解碼已編碼聲訊資料之方法和裝置
US9460729B2 (en) * 2012-09-21 2016-10-04 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
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
US9530422B2 (en) 2013-06-27 2016-12-27 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
WO2015056383A1 (ja) * 2013-10-17 2015-04-23 パナソニック株式会社 オーディオエンコード装置及びオーディオデコード装置
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US9847087B2 (en) 2014-05-16 2017-12-19 Qualcomm Incorporated Higher order ambisonics signal compression

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