CN104428833B - 用于对多信道hoa音频信号进行编码以便降噪的方法和设备以及用于对多信道hoa音频信号进行解码以便降噪的方法和设备 - Google Patents

用于对多信道hoa音频信号进行编码以便降噪的方法和设备以及用于对多信道hoa音频信号进行解码以便降噪的方法和设备 Download PDF

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CN104428833B
CN104428833B CN201380036698.6A CN201380036698A CN104428833B CN 104428833 B CN104428833 B CN 104428833B CN 201380036698 A CN201380036698 A CN 201380036698A CN 104428833 B CN104428833 B CN 104428833B
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CN104428833A (zh
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J.贝姆
S.科唐
A.克鲁格
P.贾克斯
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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
    • G10L19/012—Comfort noise or silence coding
    • 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
    • G10L19/0212—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 orthogonal transformation
    • 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • 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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  • Audiology, Speech & Language Pathology (AREA)
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  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN201380036698.6A 2012-07-16 2013-07-16 用于对多信道hoa音频信号进行编码以便降噪的方法和设备以及用于对多信道hoa音频信号进行解码以便降噪的方法和设备 Active CN104428833B (zh)

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CN201710829638.XA CN107403626B (zh) 2012-07-16 2013-07-16 用于对hoa音频信号进行解码的方法、设备和计算机可读介质
CN201710829618.2A CN107403625B (zh) 2012-07-16 2013-07-16 用于对hoa音频信号进行解码的方法、设备和计算机可读介质
CN201710829605.5A CN107591159B (zh) 2012-07-16 2013-07-16 用于对hoa音频信号进行解码的方法、设备和计算机可读介质
CN201710829636.0A CN107591160B (zh) 2012-07-16 2013-07-16 用于对hoa音频信号进行解码的方法、设备和计算机可读介质
CN201710829639.4A CN107424618B (zh) 2012-07-16 2013-07-16 用于对hoa音频信号进行解码的方法、设备和计算机可读介质

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EP12305861.2A EP2688066A1 (en) 2012-07-16 2012-07-16 Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction
EP12305861.2 2012-07-16
PCT/EP2013/065032 WO2014012944A1 (en) 2012-07-16 2013-07-16 Method and apparatus for encoding multi-channel hoa audio signals for noise reduction, and method and apparatus for decoding multi-channel hoa audio signals for noise reduction

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CN201710829636.0A Division CN107591160B (zh) 2012-07-16 2013-07-16 用于对hoa音频信号进行解码的方法、设备和计算机可读介质
CN201710829639.4A Division CN107424618B (zh) 2012-07-16 2013-07-16 用于对hoa音频信号进行解码的方法、设备和计算机可读介质
CN201710829618.2A Division CN107403625B (zh) 2012-07-16 2013-07-16 用于对hoa音频信号进行解码的方法、设备和计算机可读介质
CN201710829638.XA Division CN107403626B (zh) 2012-07-16 2013-07-16 用于对hoa音频信号进行解码的方法、设备和计算机可读介质

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KR20240047489A (ko) * 2014-06-27 2024-04-12 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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CN109416912B (zh) * 2016-06-30 2023-04-11 杜塞尔多夫华为技术有限公司 一种对多声道音频信号进行编码和解码的装置和方法
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