CN107146627B - 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 - Google Patents

对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 Download PDF

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CN107146627B
CN107146627B CN201710583291.5A CN201710583291A CN107146627B CN 107146627 B CN107146627 B CN 107146627B CN 201710583291 A CN201710583291 A CN 201710583291A CN 107146627 B CN107146627 B CN 107146627B
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hoa
frame
directional
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directional signals
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CN107146627A (zh
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A.克勒格尔
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
    • H04S3/008—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
    • G10L19/008—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
    • 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
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • 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
    • 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
    • H04S2420/13—Application of wave-field synthesis 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)
  • Stereophonic System (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN201710583291.5A 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置 Active CN107146627B (zh)

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EP13305558.2 2013-04-29
EP13305558.2A EP2800401A1 (en) 2013-04-29 2013-04-29 Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
CN201480023877.0A CN105144752B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置

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CN201480023877.0A Active CN105144752B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置
CN201710583301.5A Active CN107293304B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置
CN201710583285.XA Active CN107146626B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置
CN201710583292.XA Active CN107180639B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置

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CN201710583301.5A Active CN107293304B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置
CN201710583285.XA Active CN107146626B (zh) 2013-04-29 2014-04-24 对更高阶高保真度立体声响复制表示进行压缩和解压缩的方法和装置
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KR (6) KR20250161668A (https=)
CN (5) CN107146627B (https=)
CA (8) CA2907595C (https=)
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KR102655047B1 (ko) 2014-06-27 2024-04-08 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 방법
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EP2963949A1 (en) 2014-07-02 2016-01-06 Thomson Licensing Method and apparatus for decoding a compressed HOA representation, and method and apparatus for encoding a compressed HOA 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
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US9794714B2 (en) 2014-07-02 2017-10-17 Dolby Laboratories Licensing Corporation Method and apparatus for decoding a compressed HOA representation, and method and apparatus for encoding a compressed HOA representation
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US10468037B2 (en) 2015-07-30 2019-11-05 Dolby Laboratories Licensing Corporation Method and apparatus for generating from an HOA signal representation a mezzanine HOA signal representation
US12087311B2 (en) 2015-07-30 2024-09-10 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding an HOA representation
CN107925837B (zh) * 2015-08-31 2020-09-22 杜比国际公司 对压缩hoa信号逐帧组合解码和渲染的方法以及对压缩hoa信号逐帧组合解码和渲染的装置
EP3360135B1 (en) * 2015-10-08 2020-03-11 Dolby International AB Layered coding for compressed sound or sound field representations
US9881628B2 (en) * 2016-01-05 2018-01-30 Qualcomm Incorporated Mixed domain coding of audio
MX375859B (es) 2016-03-15 2025-03-07 Fraunhofer Ges Forschung Aparato, metodo o programa de computadora para generar una descripcion de campo de sonido
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KR102377798B1 (ko) 2022-03-23
KR20250161668A (ko) 2025-11-17
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JP2019008309A (ja) 2019-01-17
JP2020024445A (ja) 2020-02-13
US20220225044A1 (en) 2022-07-14
CN107146627A (zh) 2017-09-08
US20200304931A1 (en) 2020-09-24
CA3190353A1 (en) 2014-11-06
JP7511707B2 (ja) 2024-07-05
US11758344B2 (en) 2023-09-12
JP6818838B2 (ja) 2021-01-20
RU2015150988A (ru) 2017-06-07
MY195690A (en) 2023-02-03
CN107180639B (zh) 2021-01-05
CA3110057A1 (en) 2014-11-06
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US20190297443A1 (en) 2019-09-26
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US9736607B2 (en) 2017-08-15
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US11284210B2 (en) 2022-03-22
MX384230B (es) 2025-03-14
CN107293304B (zh) 2021-01-05
EP2992689A1 (en) 2016-03-09
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US11895477B2 (en) 2024-02-06
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US20220217489A1 (en) 2022-07-07
CN107293304A (zh) 2017-10-24
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US10999688B2 (en) 2021-05-04
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US10264382B2 (en) 2019-04-16
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JP7023342B2 (ja) 2022-02-21
CN107146626B (zh) 2020-09-08
RU2668060C2 (ru) 2018-09-25
WO2014177455A1 (en) 2014-11-06
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