JP7704686B2 - 音場関連のレンダリング - Google Patents

音場関連のレンダリング Download PDF

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Publication number
JP7704686B2
JP7704686B2 JP2021557218A JP2021557218A JP7704686B2 JP 7704686 B2 JP7704686 B2 JP 7704686B2 JP 2021557218 A JP2021557218 A JP 2021557218A JP 2021557218 A JP2021557218 A JP 2021557218A JP 7704686 B2 JP7704686 B2 JP 7704686B2
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Japan
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audio signals
signal
type
audio
audio signal
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Japanese (ja)
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JP2022528837A (ja
Inventor
ライティネン ミッコ－ビッレ
ビルカモ ユハ
ラークソネン ラッセ
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ノキア テクノロジーズ オサケユイチア
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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
    • 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • 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
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
JP2021557218A 2019-03-27 2020-03-19 音場関連のレンダリング Active JP7704686B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2023200065A JP2024023412A (ja) 2019-03-27 2023-11-27 音場関連のレンダリング

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1904261.3 2019-03-27
GB1904261.3A GB2582748A (en) 2019-03-27 2019-03-27 Sound field related rendering
PCT/FI2020/050174 WO2020193852A1 (en) 2019-03-27 2020-03-19 Sound field related rendering

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2023200065A Division JP2024023412A (ja) 2019-03-27 2023-11-27 音場関連のレンダリング

Publications (2)

Publication Number Publication Date
JP2022528837A JP2022528837A (ja) 2022-06-16
JP7704686B2 true JP7704686B2 (ja) 2025-07-08

Family

ID=66381471

Family Applications (2)

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JP2021557218A Active JP7704686B2 (ja) 2019-03-27 2020-03-19 音場関連のレンダリング
JP2023200065A Pending JP2024023412A (ja) 2019-03-27 2023-11-27 音場関連のレンダリング

Family Applications After (1)

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JP2023200065A Pending JP2024023412A (ja) 2019-03-27 2023-11-27 音場関連のレンダリング

Country Status (6)

Country Link
US (2) US12058511B2 (enExample)
EP (1) EP3948863A4 (enExample)
JP (2) JP7704686B2 (enExample)
CN (1) CN113646836A (enExample)
GB (1) GB2582748A (enExample)
WO (1) WO2020193852A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201909133D0 (en) * 2019-06-25 2019-08-07 Nokia Technologies Oy Spatial audio representation and rendering
GB202002900D0 (en) 2020-02-28 2020-04-15 Nokia Technologies Oy Audio repersentation and associated rendering
CN114173256B (zh) * 2021-12-10 2024-04-19 中国电影科学技术研究所 一种还原声场空间及姿态追踪的方法、装置和设备

Citations (3)

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Publication number Priority date Publication date Assignee Title
US20170162210A1 (en) 2015-12-03 2017-06-08 Le Holdings (Beijing) Co., Ltd. Method and device for audio data processing
WO2018056780A1 (ko) 2016-09-23 2018-03-29 지오디오랩 인코포레이티드 바이노럴 오디오 신호 처리 방법 및 장치
JP2018534617A (ja) 2015-10-14 2018-11-22 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 複数の遷移の間の高次アンビソニック係数のコーディング

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CN101617360B (zh) 2006-09-29 2012-08-22 韩国电子通信研究院 用于编码和解码具有各种声道的多对象音频信号的设备和方法
CN101276587B (zh) 2007-03-27 2012-02-01 北京天籁传音数字技术有限公司 声音编码装置及其方法和声音解码装置及其方法
JP5793675B2 (ja) * 2009-07-31 2015-10-14 パナソニックＩｐマネジメント株式会社 符号化装置および復号装置
US8675881B2 (en) * 2010-10-21 2014-03-18 Bose Corporation Estimation of synthetic audio prototypes
CN102982804B (zh) 2011-09-02 2017-05-03 杜比实验室特许公司 音频分类方法和系统
WO2014013070A1 (en) 2012-07-19 2014-01-23 Thomson Licensing Method and device for improving the rendering of multi-channel audio signals
GB2512276A (en) * 2013-02-15 2014-10-01 Univ Warwick Multisensory data compression
US9769586B2 (en) * 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients
EP2830050A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhanced spatial audio object coding
EP2830333A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals
GB2540175A (en) 2015-07-08 2017-01-11 Nokia Technologies Oy Spatial audio processing apparatus
CN108269577B (zh) 2016-12-30 2019-10-22 华为技术有限公司 立体声编码方法及立体声编码器
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
ES2985934T3 (es) * 2018-11-13 2024-11-07 Dolby Laboratories Licensing Corp Representar audio espacial por medio de una señal de audio y metadatos asociados

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018534617A (ja) 2015-10-14 2018-11-22 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ 複数の遷移の間の高次アンビソニック係数のコーディング
US20170162210A1 (en) 2015-12-03 2017-06-08 Le Holdings (Beijing) Co., Ltd. Method and device for audio data processing
WO2018056780A1 (ko) 2016-09-23 2018-03-29 지오디오랩 인코포레이티드 바이노럴 오디오 신호 처리 방법 및 장치
JP2019533404A (ja) 2016-09-23 2019-11-14 ガウディオ・ラボ・インコーポレイテッド バイノーラルオーディオ信号処理方法及び装置

Also Published As

Publication number Publication date
WO2020193852A1 (en) 2020-10-01
JP2024023412A (ja) 2024-02-21
CN113646836A (zh) 2021-11-12
US20220174443A1 (en) 2022-06-02
US20240357304A1 (en) 2024-10-24
EP3948863A1 (en) 2022-02-09
US12058511B2 (en) 2024-08-06
JP2022528837A (ja) 2022-06-16
EP3948863A4 (en) 2022-11-30
GB2582748A (en) 2020-10-07
GB201904261D0 (en) 2019-05-08

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