TWI723805B - 解碼高階立體音響（ｈｏａ）聲訊訊號之方法和設備及其電腦可讀取媒體 - Google Patents

解碼高階立體音響（ｈｏａ）聲訊訊號之方法和設備及其電腦可讀取媒體 Download PDF

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TWI723805B
TWI723805B TW109108444A TW109108444A TWI723805B TW I723805 B TWI723805 B TW I723805B TW 109108444 A TW109108444 A TW 109108444A TW 109108444 A TW109108444 A TW 109108444A TW I723805 B TWI723805 B TW I723805B
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hoa
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dsht
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matrix
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TW202103503A (zh
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約哈拿斯 波漢
斯凡 科登
亞歷山德 克魯格
彼得 賈克斯
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瑞典商杜比國際公司
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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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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
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  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW109108444A 2012-07-16 2013-07-12 解碼高階立體音響（ｈｏａ）聲訊訊號之方法和設備及其電腦可讀取媒體 TWI723805B (zh)

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EP12305861.2 2012-07-16
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

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TW109108444A TWI723805B (zh) 2012-07-16 2013-07-12 解碼高階立體音響（ｈｏａ）聲訊訊號之方法和設備及其電腦可讀取媒體
TW106123691A TWI674009B (zh) 2012-07-16 2013-07-12 解碼已編碼高階立體音響(ｈｏａ)聲訊訊號之方法和裝置
TW102125017A TWI602444B (zh) 2012-07-16 2013-07-12 編碼多通道ｈｏａ聲訊訊號以減少雜訊之方法和裝置以及對已減少雜訊的編碼多通道ｈｏａ聲訊訊號解碼之方法和裝置
TW108124752A TWI691214B (zh) 2012-07-16 2013-07-12 解碼高階立體音響（ｈｏａ）聲訊訊號之方法和設備及其電腦可讀取媒體

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TW102125017A TWI602444B (zh) 2012-07-16 2013-07-12 編碼多通道ｈｏａ聲訊訊號以減少雜訊之方法和裝置以及對已減少雜訊的編碼多通道ｈｏａ聲訊訊號解碼之方法和裝置
TW108124752A TWI691214B (zh) 2012-07-16 2013-07-12 解碼高階立體音響（ｈｏａ）聲訊訊號之方法和設備及其電腦可讀取媒體

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EP (5) EP2688066A1 (enExample)
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KR (5) KR20240091351A (enExample)
CN (6) CN107591160B (enExample)
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JP2020091500A (ja) 2020-06-11
KR102187936B1 (ko) 2020-12-07
US10304469B2 (en) 2019-05-28
CN107403626B (zh) 2021-01-08
WO2014012944A1 (en) 2014-01-23
TW201412145A (zh) 2014-03-16
EP3327721A1 (en) 2018-05-30
EP3813063A1 (en) 2021-04-28
JP2019040218A (ja) 2019-03-14
CN107403625A (zh) 2017-11-28
CN104428833A (zh) 2015-03-18
CN107591159B (zh) 2020-12-01
US9460728B2 (en) 2016-10-04
JP2017207789A (ja) 2017-11-24
CN107403625B (zh) 2021-06-04
TWI674009B (zh) 2019-10-01
US20170352355A1 (en) 2017-12-07
US20190318751A1 (en) 2019-10-17
US9837087B2 (en) 2017-12-05
EP3327721B1 (en) 2020-11-25
US10614821B2 (en) 2020-04-07
TWI602444B (zh) 2017-10-11
TWI691214B (zh) 2020-04-11
EP2688066A1 (en) 2014-01-22
JP2015526759A (ja) 2015-09-10
CN107591160B (zh) 2021-03-19
KR20200077601A (ko) 2020-06-30
US20150154971A1 (en) 2015-06-04
JP6453961B2 (ja) 2019-01-16
CN107424618A (zh) 2017-12-01
CN104428833B (zh) 2017-09-15
EP4660999A1 (en) 2025-12-10
JP6205416B2 (ja) 2017-09-27
KR102126449B1 (ko) 2020-06-24
JP6866519B2 (ja) 2021-04-28
EP3813063B1 (en) 2025-08-27
TW202103503A (zh) 2021-01-16
CN107424618B (zh) 2021-01-08
CN107591159A (zh) 2018-01-16
EP2873071A1 (en) 2015-05-20
KR20200138440A (ko) 2020-12-09
KR20210156311A (ko) 2021-12-24
TW201739272A (zh) 2017-11-01
CN107403626A (zh) 2017-11-28
CN107591160A (zh) 2018-01-16
EP2873071B1 (en) 2017-12-13
KR20150032704A (ko) 2015-03-27
JP6676138B2 (ja) 2020-04-08
KR20240091351A (ko) 2024-06-21
US20170061974A1 (en) 2017-03-02
KR102340930B1 (ko) 2021-12-20
TW202013993A (zh) 2020-04-01

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