RU2614381C2 - Декорреляция сигналов в системе обработки аудиоданных - Google Patents

Декорреляция сигналов в системе обработки аудиоданных Download PDF

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RU2614381C2
RU2614381C2 RU2015133287A RU2015133287A RU2614381C2 RU 2614381 C2 RU2614381 C2 RU 2614381C2 RU 2015133287 A RU2015133287 A RU 2015133287A RU 2015133287 A RU2015133287 A RU 2015133287A RU 2614381 C2 RU2614381 C2 RU 2614381C2
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decorrelation
audio data
channel
information
short
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RU2015133287A
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RU2015133287A (ru
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Винай Мелкоте
Куан-Чиэх ЕН
Грант А. ДЕЙВИДСОН
Мэтью ФИЛЛЕРС
Марк С. ВИНТОН
Вивек Кумар
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Долби Лабораторис Лайсэнзин Корпорейшн
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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
    • G10L19/02—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
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction 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
    • G10L25/06—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
    • 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)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Telephonic Communication Services (AREA)
RU2015133287A 2013-02-14 2014-01-22 Декорреляция сигналов в системе обработки аудиоданных RU2614381C2 (ru)

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US201361764837P 2013-02-14 2013-02-14
US61/764,837 2013-02-14
PCT/US2014/012453 WO2014126682A1 (en) 2013-02-14 2014-01-22 Signal decorrelation in an audio processing system

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RU2614381C2 true RU2614381C2 (ru) 2017-03-24

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EP (1) EP2956933B1 (show.php)
JP (1) JP6038355B2 (show.php)
KR (1) KR102114648B1 (show.php)
CN (1) CN104995676B (show.php)
BR (1) BR112015018981B1 (show.php)
ES (1) ES2613478T3 (show.php)
IN (1) IN2015MN01954A (show.php)
RU (1) RU2614381C2 (show.php)
TW (1) TWI618050B (show.php)
WO (1) WO2014126682A1 (show.php)

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EP2956933A1 (en) 2015-12-23
IN2015MN01954A (show.php) 2015-08-28
JP6038355B2 (ja) 2016-12-07
US20150380000A1 (en) 2015-12-31
KR20150106949A (ko) 2015-09-22
WO2014126682A1 (en) 2014-08-21
KR102114648B1 (ko) 2020-05-26
ES2613478T3 (es) 2017-05-24
TWI618050B (zh) 2018-03-11
RU2015133287A (ru) 2017-02-21
BR112015018981A2 (pt) 2017-07-18
CN104995676B (zh) 2018-03-30
US9830916B2 (en) 2017-11-28
TW201443877A (zh) 2014-11-16
HK1213686A1 (en) 2016-07-08
BR112015018981B1 (pt) 2022-02-01
CN104995676A (zh) 2015-10-21
EP2956933B1 (en) 2016-11-16
JP2016510433A (ja) 2016-04-07

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