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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Japanese (ja)
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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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Dolby International AB
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Dolby International AB
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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 2014-07-02
EP14306079.6 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

Country Status (6)

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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* Cited by examiner, † Cited by third party
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JP2017523452A (ja) * 2014-07-02 2017-08-17 ドルビー・インターナショナル・アーベー 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
KR102433192B1 (ko) * 2014-07-02 2022-08-18 돌비 인터네셔널 에이비 압축된 ｈｏａ 표현을 디코딩하기 위한 방법 및 장치와 압축된 ｈｏａ 표현을 인코딩하기 위한 방법 및 장치
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
DE112021005087T5 (de) 2020-09-25 2023-08-10 Apple Inc. Kodierung und dekodierung für higher-order-ambisonics
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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US6441764B1 (en) * 1999-05-06 2002-08-27 Massachusetts Institute Of Technology Hybrid analog/digital signal coding
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
KR102433192B1 (ko) * 2014-07-02 2022-08-18 돌비 인터네셔널 에이비 압축된 ｈｏａ 표현을 디코딩하기 위한 방법 및 장치와 압축된 ｈｏａ 표현을 인코딩하기 위한 방법 및 장치

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
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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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 (3)

* 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
US12512104B2 (en) 2020-12-15 2025-12-30 Nokia Technologies Oy Quantizing spatial audio parameters

Also Published As

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

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