CN106463131B - 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 - Google Patents

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 Download PDF

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CN106463131B
CN106463131B CN201580033033.9A CN201580033033A CN106463131B CN 106463131 B CN106463131 B CN 106463131B CN 201580033033 A CN201580033033 A CN 201580033033A CN 106463131 B CN106463131 B CN 106463131B
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subband
directions
hoa
index
signal
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CN106463131A (zh
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A·克鲁埃格尔
S·科登
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Dolby International AB
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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
    • 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 
    • 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 
    • 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)
CN201580033033.9A 2014-07-02 2015-07-02 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 Active CN106463131B (zh)

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

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CN106463131A CN106463131A (zh) 2017-02-22
CN106463131B true CN106463131B (zh) 2020-12-08

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2963948A1 (en) * 2014-07-02 2016-01-06 Thomson Licensing Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a HOA signal representation
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 (6)

* 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
CN1744718A (zh) * 2004-09-01 2006-03-08 三菱电机株式会社 用于小波视频编码中的高通时间滤波帧的帧内预测
CN102547549A (zh) * 2010-12-21 2012-07-04 汤姆森特许公司 编码解码2或3维声场环绕声表示的连续帧的方法和装置
CN103250207A (zh) * 2010-11-05 2013-08-14 汤姆逊许可公司 高阶高保真度立体声响复制音频数据的数据结构
CN103313182A (zh) * 2012-03-06 2013-09-18 汤姆逊许可公司 用于回放更高阶立体混响音频信号的方法和设备
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

Family Cites Families (8)

* 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
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
EP2963948A1 (en) * 2014-07-02 2016-01-06 Thomson Licensing 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 (6)

* 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
CN1744718A (zh) * 2004-09-01 2006-03-08 三菱电机株式会社 用于小波视频编码中的高通时间滤波帧的帧内预测
CN103250207A (zh) * 2010-11-05 2013-08-14 汤姆逊许可公司 高阶高保真度立体声响复制音频数据的数据结构
CN102547549A (zh) * 2010-12-21 2012-07-04 汤姆森特许公司 编码解码2或3维声场环绕声表示的连续帧的方法和装置
CN103313182A (zh) * 2012-03-06 2013-09-18 汤姆逊许可公司 用于回放更高阶立体混响音频信号的方法和设备
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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Publication number Publication date
KR102363275B1 (ko) 2022-02-16
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
JP2017523452A (ja) 2017-08-17

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