CN106463132B - 对压缩的hoa表示编码和解码的方法和装置 - Google Patents

对压缩的hoa表示编码和解码的方法和装置 Download PDF

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CN106463132B
CN106463132B CN201580033039.6A CN201580033039A CN106463132B CN 106463132 B CN106463132 B CN 106463132B CN 201580033039 A CN201580033039 A CN 201580033039A CN 106463132 B CN106463132 B CN 106463132B
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hoa
subband
index
sequence
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CN106463132A (zh
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A·克鲁格
S·科顿
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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
    • G10L19/0208—Subband vocoders
    • 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)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN201580033039.6A 2014-07-02 2015-07-02 对压缩的hoa表示编码和解码的方法和装置 Active CN106463132B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP14306081 2014-07-02
EP14306081.2 2014-07-02
EP14194187 2014-11-20
EP14194187.2 2014-11-20
PCT/EP2015/065089 WO2016001357A1 (en) 2014-07-02 2015-07-02 Method and apparatus for decoding a compressed hoa representation, and method and apparatus for encoding a compressed hoa representation

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CN106463132B true CN106463132B (zh) 2021-02-02

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US (1) US9794714B2 (https=)
EP (1) EP3164868A1 (https=)
JP (1) JP6585095B2 (https=)
KR (1) KR102433192B1 (https=)
CN (1) CN106463132B (https=)
WO (1) WO2016001357A1 (https=)

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WO2016001355A1 (en) * 2014-07-02 2016-01-07 Thomson Licensing Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation
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
CN110800048B (zh) 2017-05-09 2023-07-28 杜比实验室特许公司 多通道空间音频格式输入信号的处理
WO2020207596A1 (en) * 2019-04-12 2020-10-15 Huawei Technologies Co., Ltd. Device and method for obtaining a first order ambisonic signal
WO2021252748A1 (en) 2020-06-11 2021-12-16 Dolby Laboratories Licensing Corporation Encoding of multi-channel audio signals comprising downmixing of a primary and two or more scaled non-primary input channels
CN115376529B (zh) * 2021-05-17 2024-10-11 华为技术有限公司 三维音频信号编码方法、装置和编码器
WO2023147864A1 (en) * 2022-02-03 2023-08-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method to transform an audio stream

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CN1301370A (zh) * 1998-05-07 2001-06-27 萨尔诺夫公司 用于减少压缩的视频中的喘息污迹的方法和设备
CN1411679A (zh) * 1999-11-02 2003-04-16 数字剧场系统股份有限公司 在多声道音频环境中提供互动式音频的系统和方法
CN101000768A (zh) * 2006-06-21 2007-07-18 北京工业大学 嵌入式语音编解码的方法及编解码器
CN101202043A (zh) * 2007-12-28 2008-06-18 清华大学 音频信号的编码方法和系统与解码方法和系统
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

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US5075880A (en) * 1988-11-08 1991-12-24 Wadia Digital Corporation Method and apparatus for time domain interpolation of digital audio signals
JP4849466B2 (ja) * 2003-10-10 2012-01-11 エージェンシー フォー サイエンス， テクノロジー アンド リサーチ デジタル信号をスケーラブルビットストリームにエンコードする方法、及びスケーラブルビットストリームをデコードする方法
US7599840B2 (en) * 2005-07-15 2009-10-06 Microsoft Corporation Selectively using multiple entropy models in adaptive coding and decoding
US8908874B2 (en) * 2010-09-08 2014-12-09 Dts, Inc. Spatial audio encoding and reproduction
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
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
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
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
EP4539046A1 (en) * 2014-03-21 2025-04-16 Dolby International AB Method for compressing a higher order ambisonics (hoa) signal, method for decompressing a compressed hoa signal, apparatus for compressing a hoa signal, and apparatus for decompressing a compressed hoa signal
WO2016001355A1 (en) * 2014-07-02 2016-01-07 Thomson Licensing Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1301370A (zh) * 1998-05-07 2001-06-27 萨尔诺夫公司 用于减少压缩的视频中的喘息污迹的方法和设备
CN1411679A (zh) * 1999-11-02 2003-04-16 数字剧场系统股份有限公司 在多声道音频环境中提供互动式音频的系统和方法
CN101000768A (zh) * 2006-06-21 2007-07-18 北京工业大学 嵌入式语音编解码的方法及编解码器
CN101202043A (zh) * 2007-12-28 2008-06-18 清华大学 音频信号的编码方法和系统与解码方法和系统
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

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Publication number Publication date
EP3164868A1 (en) 2017-05-10
KR20170028886A (ko) 2017-03-14
US20170164132A1 (en) 2017-06-08
WO2016001357A1 (en) 2016-01-07
KR102433192B1 (ko) 2022-08-18
US9794714B2 (en) 2017-10-17
JP2017523453A (ja) 2017-08-17
JP6585095B2 (ja) 2019-10-02
CN106463132A (zh) 2017-02-22

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