TWI674009B - 解碼已編碼高階立體音響(ｈｏａ)聲訊訊號之方法和裝置 - Google Patents

解碼已編碼高階立體音響(ｈｏａ)聲訊訊號之方法和裝置 Download PDF

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TWI674009B
TWI674009B TW106123691A TW106123691A TWI674009B TW I674009 B TWI674009 B TW I674009B TW 106123691 A TW106123691 A TW 106123691A TW 106123691 A TW106123691 A TW 106123691A TW I674009 B TWI674009 B TW I674009B
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rotation
hoa
signal
spherical
dsht
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TW106123691A
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Chinese (zh)
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TW201739272A (zh
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約哈拿斯 波漢
Johannes Boehm
斯凡 科登
Sven Kordon
亞歷山德 克魯格
Alexander Krueger
彼得 賈克斯
Peter Jax
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杜比國際公司
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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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
TW106123691A 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 TWI674009B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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

Publications (2)

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TW201739272A TW201739272A (zh) 2017-11-01
TWI674009B true TWI674009B (zh) 2019-10-01

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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
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

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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
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

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US (4) US9460728B2 (https=)
EP (5) EP2688066A1 (https=)
JP (4) JP6205416B2 (https=)
KR (5) KR20210156311A (https=)
CN (6) CN107403625B (https=)
TW (4) TWI674009B (https=)
WO (1) WO2014012944A1 (https=)

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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
TWI691214B (zh) 2020-04-11
CN107403626B (zh) 2021-01-08
KR20200138440A (ko) 2020-12-09
KR20210156311A (ko) 2021-12-24
CN107424618B (zh) 2021-01-08
US10304469B2 (en) 2019-05-28
TW201412145A (zh) 2014-03-16
US20170352355A1 (en) 2017-12-07
TWI723805B (zh) 2021-04-01
US10614821B2 (en) 2020-04-07
US9460728B2 (en) 2016-10-04
CN107424618A (zh) 2017-12-01
US9837087B2 (en) 2017-12-05
JP2019040218A (ja) 2019-03-14
EP4660999A1 (en) 2025-12-10
KR102187936B1 (ko) 2020-12-07
CN107591160A (zh) 2018-01-16
JP2020091500A (ja) 2020-06-11
JP6676138B2 (ja) 2020-04-08
CN107591159A (zh) 2018-01-16
CN107403626A (zh) 2017-11-28
CN104428833B (zh) 2017-09-15
KR102340930B1 (ko) 2021-12-20
EP3813063B1 (en) 2025-08-27
EP3813063A1 (en) 2021-04-28
EP3327721A1 (en) 2018-05-30
CN104428833A (zh) 2015-03-18
US20170061974A1 (en) 2017-03-02
JP2015526759A (ja) 2015-09-10
KR20240091351A (ko) 2024-06-21
KR20150032704A (ko) 2015-03-27
JP6453961B2 (ja) 2019-01-16
CN107403625B (zh) 2021-06-04
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TW201739272A (zh) 2017-11-01
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