JP2017523454A - Ｈｏａ信号表現のサブバンド内の優勢な方向性信号の方向のエンコード／デコードのための方法および装置 - Google Patents

Ｈｏａ信号表現のサブバンド内の優勢な方向性信号の方向のエンコード／デコードのための方法および装置 Download PDF

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JP2017523454A
JP2017523454A JP2016573957A JP2016573957A JP2017523454A JP 2017523454 A JP2017523454 A JP 2017523454A JP 2016573957 A JP2016573957 A JP 2016573957A JP 2016573957 A JP2016573957 A JP 2016573957A JP 2017523454 A JP2017523454 A JP 2017523454A
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subband
active
index
hoa
signal
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JP2017523454A5 (enExample
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クルーガー，アレクサンダー
コルドン，スヴェン
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ドルビー・インターナショナル・アーベー
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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
    • H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
    • H04S7/303—Tracking of listener position or orientation
    • 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
    • G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • 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
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing
    • 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)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2016573957A 2014-07-02 2015-07-02 Ｈｏａ信号表現のサブバンド内の優勢な方向性信号の方向のエンコード／デコードのための方法および装置 Pending JP2017523454A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP14306079.6 2014-07-02
EP14306079 2014-07-02
EP14194185 2014-11-20
EP14194185.6 2014-11-20
PCT/EP2015/065085 WO2016001355A1 (en) 2014-07-02 2015-07-02 Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation

Publications (2)

Publication Number Publication Date
JP2017523454A true JP2017523454A (ja) 2017-08-17
JP2017523454A5 JP2017523454A5 (enExample) 2018-08-09

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JP2016573957A Pending JP2017523454A (ja) 2014-07-02 2015-07-02 Ｈｏａ信号表現のサブバンド内の優勢な方向性信号の方向のエンコード／デコードのための方法および装置

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Country Link
US (1) US10403292B2 (enExample)
EP (1) EP3164867A1 (enExample)
JP (1) JP2017523454A (enExample)
KR (1) KR102460820B1 (enExample)
CN (1) CN106471579B (enExample)
WO (1) WO2016001355A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019235193A1 (ja) * 2018-06-07 2019-12-12 日本電信電話株式会社 音場信号推定装置、音場信号推定方法、プログラム
JP2023554411A (ja) * 2020-12-15 2023-12-27 ノキア テクノロジーズ オサケユイチア 空間音声パラメータの量子化

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WO2016001357A1 (en) * 2014-07-02 2016-01-07 Thomson Licensing Method and apparatus for decoding a compressed hoa representation, and method and apparatus for encoding a compressed hoa representation
CN106463131B (zh) * 2014-07-02 2020-12-08 杜比国际公司 用于对hoa信号表示的子带内的主导方向信号的方向进行编码/解码的方法和装置
EP2993665A1 (en) * 2014-09-02 2016-03-09 Thomson Licensing Method and apparatus for coding or decoding subband configuration data for subband groups
US10255032B2 (en) * 2016-12-13 2019-04-09 EVA Automation, Inc. Wireless coordination of audio sources
FR3112016B1 (fr) * 2020-06-30 2023-04-14 Fond B Com Procédé de conversion d’un premier ensemble de signaux représentatifs d’un champ sonore en un second ensemble de signaux et dispositif électronique associé
GB2615236A (en) * 2020-09-25 2023-08-02 Apple Inc Higher order ambisonics encoding and decoding
EP4152321A1 (en) * 2021-09-16 2023-03-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for narrowband direction-of-arrival estimation

Citations (4)

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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
JP2013545391A (ja) * 2010-11-05 2013-12-19 トムソン ライセンシング 高次アンビソニックス・オーディオ・データ用のデータ構造
US20140016784A1 (en) * 2012-07-15 2014-01-16 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
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

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WO2000069100A1 (en) * 1999-05-06 2000-11-16 Massachusetts Institute Of Technology In-band on-channel system and method for bit-rate reduction of the digital signal by utilising properties of the analog signal
CN1677490A (zh) * 2004-04-01 2005-10-05 北京宫羽数字技术有限责任公司 一种增强音频编解码装置及方法
EP1696673A1 (en) * 2004-09-01 2006-08-30 Mitsubishi Electric Information Technology Centre Europe B.V. Intra-frame prediction for high-pass temporal-filtered frames in wavelet video coding
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
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
EP2800401A1 (en) 2013-04-29 2014-11-05 Thomson Licensing Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
EP2824661A1 (en) 2013-07-11 2015-01-14 Thomson Licensing Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals
WO2016001357A1 (en) * 2014-07-02 2016-01-07 Thomson Licensing Method and apparatus for decoding a compressed hoa representation, and method and apparatus for encoding a compressed hoa representation

Patent Citations (4)

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JP2013545391A (ja) * 2010-11-05 2013-12-19 トムソン ライセンシング 高次アンビソニックス・オーディオ・データ用のデータ構造
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
US20140016784A1 (en) * 2012-07-15 2014-01-16 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
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

Non-Patent Citations (1)

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Title
岩谷幸雄他: "球面調和解析による音場表現", 日本音響学会誌, vol. 67巻，11号, JPN6018022197, November 2011 (2011-11-01), pages 544 - 549, ISSN: 0004045900 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019235193A1 (ja) * 2018-06-07 2019-12-12 日本電信電話株式会社 音場信号推定装置、音場信号推定方法、プログラム
JP2023554411A (ja) * 2020-12-15 2023-12-27 ノキア テクノロジーズ オサケユイチア 空間音声パラメータの量子化

Also Published As

Publication number Publication date
CN106471579A (zh) 2017-03-01
CN106471579B (zh) 2020-12-18
KR20170023829A (ko) 2017-03-06
KR102460820B1 (ko) 2022-10-31
WO2016001355A1 (en) 2016-01-07
EP3164867A1 (en) 2017-05-10
US10403292B2 (en) 2019-09-03
US20180182402A1 (en) 2018-06-28

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