JP6138279B2 - 推定された空間的パラメータを使ったオーディオ信号の向上 - Google Patents

推定された空間的パラメータを使ったオーディオ信号の向上 Download PDF

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JP6138279B2
JP6138279B2 JP2015556957A JP2015556957A JP6138279B2 JP 6138279 B2 JP6138279 B2 JP 6138279B2 JP 2015556957 A JP2015556957 A JP 2015556957A JP 2015556957 A JP2015556957 A JP 2015556957A JP 6138279 B2 JP6138279 B2 JP 6138279B2
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audio data
channel
decorrelation
transient
frequency
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JP2016510569A (ja
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フェラーズ，マシュー
メルコーテ，ヴィナイ
イェン，クー−チェ
エイ ダヴィッドソン，グラント
エイ ダヴィッドソン，グラント
エフ デイヴィス，マーク
エフ デイヴィス，マーク
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ドルビー ラボラトリーズ ライセンシング コーポレイション
ドルビー ラボラトリーズ ライセンシング コーポレイション
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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
    • G10L19/0204—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
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2015556957A 2013-02-14 2014-01-22 推定された空間的パラメータを使ったオーディオ信号の向上 Active JP6138279B2 (ja)

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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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JP2016510569A JP2016510569A (ja) 2016-04-07
JP6138279B2 true JP6138279B2 (ja) 2017-05-31

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CN (1) CN105900168B (https=)
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AU (1) AU2014216732B2 (https=)
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CA2898271C (en) 2019-02-19
DK2956934T3 (en) 2017-02-27
JP2016510569A (ja) 2016-04-07
CA2898271A1 (en) 2014-08-21
IN2015MN01955A (https=) 2015-08-28
AR094775A1 (es) 2015-08-26
US20160005413A1 (en) 2016-01-07
PL2956934T3 (pl) 2017-05-31
WO2014126683A1 (en) 2014-08-21
MX2015010166A (es) 2015-12-09
UA113682C2 (xx) 2017-02-27
CL2015002277A1 (es) 2016-02-05
MX344170B (es) 2016-12-07
SG11201506129PA (en) 2015-09-29
CN105900168B (zh) 2019-12-06
BR112015019525B1 (pt) 2021-12-14
RU2620714C2 (ru) 2017-05-29
IL239945A0 (en) 2015-08-31
US9489956B2 (en) 2016-11-08
TWI618051B (zh) 2018-03-11
AU2014216732A1 (en) 2015-07-30
KR101724319B1 (ko) 2017-04-07
EP2956934A1 (en) 2015-12-23
TW201447867A (zh) 2014-12-16
IL239945B (en) 2019-02-28
HUE032018T2 (en) 2017-08-28
AU2014216732B2 (en) 2017-04-20
CN105900168A (zh) 2016-08-24
EP2956934B1 (en) 2017-01-04
RU2015133584A (ru) 2017-02-21
HK1218674A1 (en) 2017-03-03
BR112015019525A2 (pt) 2017-07-18
KR20150109400A (ko) 2015-10-01

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