JP6046274B2 - 上方混合されたオーディオ信号のチャネル間コヒーレンスの制御方法 - Google Patents

上方混合されたオーディオ信号のチャネル間コヒーレンスの制御方法 Download PDF

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JP6046274B2
JP6046274B2 JP2015556960A JP2015556960A JP6046274B2 JP 6046274 B2 JP6046274 B2 JP 6046274B2 JP 2015556960 A JP2015556960 A JP 2015556960A JP 2015556960 A JP2015556960 A JP 2015556960A JP 6046274 B2 JP6046274 B2 JP 6046274B2
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audio data
channel
decorrelation
audio
channels
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JP2016510434A (ja
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イェン，クー−チェ
メルコーテ，ヴィナイ
フェラーズ，マシュー
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
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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • 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
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • 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
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Telephonic Communication Services (AREA)
JP2015556960A 2013-02-14 2014-01-22 上方混合されたオーディオ信号のチャネル間コヒーレンスの制御方法 Active JP6046274B2 (ja)

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US201361764857P 2013-02-14 2013-02-14
US61/764,857 2013-02-14
PCT/US2014/012599 WO2014126689A1 (en) 2013-02-14 2014-01-22 Methods for controlling the inter-channel coherence of upmixed audio signals

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JP6046274B2 true JP6046274B2 (ja) 2016-12-14

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KR (1) KR101729930B1 (enExample)
CN (1) CN104981867B (enExample)
BR (1) BR112015018522B1 (enExample)
IN (1) IN2015MN01952A (enExample)
RU (1) RU2630370C9 (enExample)
WO (1) WO2014126689A1 (enExample)

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BR112015018522A2 (pt) 2017-07-18
KR20150106962A (ko) 2015-09-22
RU2630370C2 (ru) 2017-09-07
JP2016510434A (ja) 2016-04-07
WO2014126689A1 (en) 2014-08-21
EP2956935A1 (en) 2015-12-23
RU2630370C9 (ru) 2017-09-26
RU2015133289A (ru) 2017-02-15
CN104981867B (zh) 2018-03-30
CN104981867A (zh) 2015-10-14
IN2015MN01952A (enExample) 2015-08-28
HK1213687A1 (en) 2016-07-08
US20160005406A1 (en) 2016-01-07
BR112015018522B1 (pt) 2021-12-14
KR101729930B1 (ko) 2017-04-25
EP2956935B1 (en) 2017-01-04
US9754596B2 (en) 2017-09-05

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