KR102187936B1 - 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치 - Google Patents

잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치 Download PDF

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KR102187936B1
KR102187936B1 KR1020207017672A KR20207017672A KR102187936B1 KR 102187936 B1 KR102187936 B1 KR 102187936B1 KR 1020207017672 A KR1020207017672 A KR 1020207017672A KR 20207017672 A KR20207017672 A KR 20207017672A KR 102187936 B1 KR102187936 B1 KR 102187936B1
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요하네스 보엠
스벤 코르돈
알렉산더 크뢰거
피터 작스
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돌비 인터네셔널 에이비
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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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KR1020207017672A 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치 Active KR102187936B1 (ko)

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KR1020207034592A KR102340930B1 (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치

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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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KR1020207017672A Active KR102187936B1 (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치
KR1020217041058A Ceased KR20210156311A (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치
KR1020247018653A Pending KR20240091351A (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치
KR1020207034592A Active KR102340930B1 (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치
KR1020157000876A Active KR102126449B1 (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치

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KR1020247018653A Pending KR20240091351A (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치
KR1020207034592A Active KR102340930B1 (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치
KR1020157000876A Active KR102126449B1 (ko) 2012-07-16 2013-07-16 잡음 감소를 위한 다채널 hoa 오디오 신호를 인코딩하는 방법 및 장치와, 잡음 감소를 위한 다채널 hoa 오디오 신호를 디코딩하는 방법 및 장치

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US (4) US9460728B2 (https=)
EP (5) EP2688066A1 (https=)
JP (4) JP6205416B2 (https=)
KR (5) KR102187936B1 (https=)
CN (6) CN107403625B (https=)
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WO (1) WO2014012944A1 (https=)

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