CN110648675B - 产生hoa信号的混合的空间/系数域表示的方法和设备 - Google Patents

产生hoa信号的混合的空间/系数域表示的方法和设备 Download PDF

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CN110648675B
CN110648675B CN201910919535.1A CN201910919535A CN110648675B CN 110648675 B CN110648675 B CN 110648675B CN 201910919535 A CN201910919535 A CN 201910919535A CN 110648675 B CN110648675 B CN 110648675B
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vector
hoa
signal
coefficient domain
signals
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CN110648675A (zh
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斯文·科登
亚历山大·克鲁格
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Dolby International AB
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    • 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 
    • 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
    • H04S2420/11—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)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Stereophonic System (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Image Processing (AREA)
  • Radio Relay Systems (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Error Detection And Correction (AREA)
CN201910919535.1A 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备 Active CN110648675B (zh)

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EP20130305986 EP2824661A1 (en) 2013-07-11 2013-07-11 Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals
EP13305986.5 2013-07-11
CN201910919535.1A CN110648675B (zh) 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备
PCT/EP2014/063306 WO2015003900A1 (en) 2013-07-11 2014-06-24 Method and apparatus for generating from a coefficient domain representation of hoa signals a mixed spatial/coefficient domain representation of said hoa signals
CN201480038940.8A CN105378833B (zh) 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备

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CN201910918525.6A Active CN110459230B (zh) 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备
CN202311075476.7A Pending CN116884421A (zh) 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备
CN201910918531.1A Active CN110491397B (zh) 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备
CN202310731179.7A Pending CN116564321A (zh) 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备
CN201480038940.8A Active CN105378833B (zh) 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备
CN202311170904.4A Pending CN117275492A (zh) 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备
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CN201910918525.6A Active CN110459230B (zh) 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备
CN202311075476.7A Pending CN116884421A (zh) 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备
CN201910918531.1A Active CN110491397B (zh) 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备
CN202310731179.7A Pending CN116564321A (zh) 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备
CN201480038940.8A Active CN105378833B (zh) 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备
CN202311170904.4A Pending CN117275492A (zh) 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备
CN202311075024.9A Pending CN117116273A (zh) 2013-07-11 2014-06-24 产生hoa信号的混合的空间/系数域表示的方法和设备

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CN113808598B (zh) 2014-06-27 2025-03-18 杜比国际公司 针对hoa数据帧表示的压缩确定表示非差分增益值所需的最小整数比特数的方法
EP3860154B1 (en) 2014-06-27 2024-02-21 Dolby International AB Method for decoding a compressed hoa dataframe representation of a sound field.
CN107077852B (zh) 2014-06-27 2020-12-04 杜比国际公司 包括与hoa数据帧表示的特定数据帧的通道信号关联的非差分增益值的编码hoa数据帧表示
EP2960903A1 (en) 2014-06-27 2015-12-30 Thomson Licensing Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values
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
CN106463131B (zh) 2014-07-02 2020-12-08 杜比国际公司 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
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
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
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CN110491397B (zh) 2023-10-27
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EP4012704A1 (en) 2022-06-15
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CA2914904A1 (en) 2015-01-15
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KR20160028442A (ko) 2016-03-11
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ZA201903363B (en) 2020-09-30
CN117116273A (zh) 2023-11-24
AU2024201885A1 (en) 2024-04-11
TW202326707A (zh) 2023-07-01
CN105378833A (zh) 2016-03-02
KR102534163B1 (ko) 2023-05-30
RU2670797C2 (ru) 2018-10-25
US12245013B2 (en) 2025-03-04
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US11297455B2 (en) 2022-04-05
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US11863958B2 (en) 2024-01-02
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