CN107293304B - 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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CN107293304B
CN107293304B CN201710583301.5A CN201710583301A CN107293304B CN 107293304 B CN107293304 B CN 107293304B CN 201710583301 A CN201710583301 A CN 201710583301A CN 107293304 B CN107293304 B CN 107293304B
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directional signal
ambient hoa
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CN107293304A (zh
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A.克勒格尔
S.科登
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11Application of ambisonics in stereophonic audio systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/13Application of wave-field synthesis in stereophonic audio systems

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  • Acoustics & Sound (AREA)
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  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN201710583301.5A 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 CN107293304B (zh)

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EP13305558.2A EP2800401A1 (en) 2013-04-29 2013-04-29 Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
EP13305558.2 2013-04-29
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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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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CN201710583291.5A Active CN107146627B (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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EP3164868A1 (en) 2014-07-02 2017-05-10 Dolby International AB Method and apparatus for decoding a compressed hoa representation, and method and apparatus for encoding a compressed hoa representation
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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
EP3164866A1 (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
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US9881628B2 (en) * 2016-01-05 2018-01-30 Qualcomm Incorporated Mixed domain coding of audio
KR102063307B1 (ko) 2016-03-15 2020-01-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 음장 기술을 생성하기 위한 장치, 방법, 또는 컴퓨터 프로그램
US10332530B2 (en) * 2017-01-27 2019-06-25 Google Llc Coding of a soundfield representation
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CN107293304A (zh) 2017-10-24
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KR20210034685A (ko) 2021-03-30
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