AU2014216732B2 - Audio signal enhancement using estimated spatial parameters - Google Patents

Audio signal enhancement using estimated spatial parameters Download PDF

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Publication number
AU2014216732B2
AU2014216732B2 AU2014216732A AU2014216732A AU2014216732B2 AU 2014216732 B2 AU2014216732 B2 AU 2014216732B2 AU 2014216732 A AU2014216732 A AU 2014216732A AU 2014216732 A AU2014216732 A AU 2014216732A AU 2014216732 B2 AU2014216732 B2 AU 2014216732B2
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Australia
Prior art keywords
decorrelation
audio data
channel
frequency
transient
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AU2014216732A1 (en
Inventor
Grant A. Davidson
Mark F. Davis
Matthew Fellers
Vinay Melkote
Kuan-Chieh Yen
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Dolby Laboratories Licensing Corp
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Dolby Laboratories Licensing Corp
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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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
    • 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
    • G10L19/0204—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 subband decomposition
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AU2014216732A 2013-02-14 2014-01-22 Audio signal enhancement using estimated spatial parameters Active AU2014216732B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361764869P 2013-02-14 2013-02-14
US61/764,869 2013-02-14
PCT/US2014/012457 WO2014126683A1 (en) 2013-02-14 2014-01-22 Audio signal enhancement using estimated spatial parameters

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AU2014216732A1 AU2014216732A1 (en) 2015-07-30
AU2014216732B2 true AU2014216732B2 (en) 2017-04-20

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EP (1) EP2956934B1 (enExample)
JP (1) JP6138279B2 (enExample)
KR (1) KR101724319B1 (enExample)
CN (1) CN105900168B (enExample)
AR (1) AR094775A1 (enExample)
AU (1) AU2014216732B2 (enExample)
BR (1) BR112015019525B1 (enExample)
CA (1) CA2898271C (enExample)
CL (1) CL2015002277A1 (enExample)
DK (1) DK2956934T3 (enExample)
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TWI691955B (zh) * 2018-03-05 2020-04-21 國立中央大學 多通道之多重音頻串流方法以及使用該方法之系統
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CN110047503B (zh) * 2018-09-25 2021-04-16 上海无线通信研究中心 一种声波的多径效应抑制方法
CN113544774B (zh) * 2019-03-06 2024-08-20 弗劳恩霍夫应用研究促进协会 降混器及降混方法
GB2582749A (en) * 2019-03-28 2020-10-07 Nokia Technologies Oy Determination of the significance of spatial audio parameters and associated encoding
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MX2015010166A (es) 2015-12-09
CA2898271C (en) 2019-02-19
DK2956934T3 (en) 2017-02-27
IL239945A0 (en) 2015-08-31
RU2015133584A (ru) 2017-02-21
WO2014126683A1 (en) 2014-08-21
EP2956934A1 (en) 2015-12-23
HUE032018T2 (en) 2017-08-28
RU2620714C2 (ru) 2017-05-29
SG11201506129PA (en) 2015-09-29
CA2898271A1 (en) 2014-08-21
EP2956934B1 (en) 2017-01-04
CL2015002277A1 (es) 2016-02-05
US9489956B2 (en) 2016-11-08
CN105900168B (zh) 2019-12-06
PL2956934T3 (pl) 2017-05-31
UA113682C2 (xx) 2017-02-27
AR094775A1 (es) 2015-08-26
AU2014216732A1 (en) 2015-07-30
BR112015019525A2 (pt) 2017-07-18
IL239945B (en) 2019-02-28
JP2016510569A (ja) 2016-04-07
TW201447867A (zh) 2014-12-16
KR101724319B1 (ko) 2017-04-07
IN2015MN01955A (enExample) 2015-08-28
TWI618051B (zh) 2018-03-11
JP6138279B2 (ja) 2017-05-31
BR112015019525B1 (pt) 2021-12-14
MX344170B (es) 2016-12-07
CN105900168A (zh) 2016-08-24
US20160005413A1 (en) 2016-01-07
KR20150109400A (ko) 2015-10-01
HK1218674A1 (en) 2017-03-03

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