JP2017523452A - 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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JP2017523452A
JP2017523452A JP2016573840A JP2016573840A JP2017523452A JP 2017523452 A JP2017523452 A JP 2017523452A JP 2016573840 A JP2016573840 A JP 2016573840A JP 2016573840 A JP2016573840 A JP 2016573840A JP 2017523452 A JP2017523452 A JP 2017523452A
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subband
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hoa
index
signal
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JP2017523452A5 (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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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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
    • 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)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
JP2016573840A 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 JP2017523452A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP14306078.8 2014-07-02
EP14306078 2014-07-02
EP14194183 2014-11-20
EP14194183.1 2014-11-20
PCT/EP2015/065084 WO2016001354A1 (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)

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JP2017523452A true JP2017523452A (ja) 2017-08-17
JP2017523452A5 JP2017523452A5 (enExample) 2018-08-09

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JP2016573840A Pending JP2017523452A (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) US9800986B2 (enExample)
EP (1) EP3164866A1 (enExample)
JP (1) JP2017523452A (enExample)
KR (1) KR102363275B1 (enExample)
CN (1) CN106463131B (enExample)
WO (1) WO2016001354A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017520024A (ja) * 2014-07-02 2017-07-20 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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3127528A1 (en) * 2019-01-21 2020-07-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for encoding a spatial audio representation or apparatus and method for decoding an encoded audio signal using transport metadata and related computer programs

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
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
JP2017520024A (ja) * 2014-07-02 2017-07-20 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

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
EP2450880A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
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
US9288603B2 (en) 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
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
EP3164867A1 (en) * 2014-07-02 2017-05-10 Dolby International AB Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
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
JP2017520024A (ja) * 2014-07-02 2017-07-20 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017520024A (ja) * 2014-07-02 2017-07-20 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

Also Published As

Publication number Publication date
KR102363275B1 (ko) 2022-02-16
CN106463131B (zh) 2020-12-08
KR20170023827A (ko) 2017-03-06
US20170164130A1 (en) 2017-06-08
US9800986B2 (en) 2017-10-24
WO2016001354A1 (en) 2016-01-07
EP3164866A1 (en) 2017-05-10
CN106463131A (zh) 2017-02-22

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