CN107403625B - 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 - Google Patents

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 Download PDF

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CN107403625B
CN107403625B CN201710829618.2A CN201710829618A CN107403625B CN 107403625 B CN107403625 B CN 107403625B CN 201710829618 A CN201710829618 A CN 201710829618A CN 107403625 B CN107403625 B CN 107403625B
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hoa
channel
decoding
hoa representation
rotated
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CN107403625A (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
    • G10L19/008—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
    • G10L19/012—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
    • G10L19/02—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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  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
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  • Audiology, Speech & Language Pathology (AREA)
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  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN201710829618.2A 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 Active CN107403625B (zh)

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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
CN201380036698.6A CN104428833B (zh) 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

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CN201710829639.4A Active 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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CN201380036698.6A Active CN104428833B (zh) 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
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CN201710829605.5A Active 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 Active 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
CN201380036698.6A Active CN104428833B (zh) 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
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CN107591159B (zh) 2020-12-01
KR20200077601A (ko) 2020-06-30
EP2688066A1 (en) 2014-01-22
CN107403625A (zh) 2017-11-28
JP2017207789A (ja) 2017-11-24
EP2873071A1 (en) 2015-05-20
JP6866519B2 (ja) 2021-04-28
WO2014012944A1 (en) 2014-01-23
TWI602444B (zh) 2017-10-11
JP6205416B2 (ja) 2017-09-27
US20150154971A1 (en) 2015-06-04
TW202103503A (zh) 2021-01-16
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