BR112015019525B1 - Método, aparelho e mídia não transitória que possui um método armazenado na mesma. - Google Patents

Método, aparelho e mídia não transitória que possui um método armazenado na mesma. Download PDF

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Publication number
BR112015019525B1
BR112015019525B1 BR112015019525-3A BR112015019525A BR112015019525B1 BR 112015019525 B1 BR112015019525 B1 BR 112015019525B1 BR 112015019525 A BR112015019525 A BR 112015019525A BR 112015019525 B1 BR112015019525 B1 BR 112015019525B1
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BR
Brazil
Prior art keywords
decorrelation
audio data
channel
frequency
transient
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BR112015019525-3A
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English (en)
Portuguese (pt)
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BR112015019525A2 (pt
Inventor
Matthew Fellers
Vinay Melkote
Kuan-Chieh Yen
Grant A. Davidson
Mark F. Davis
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Dolby Laboratories Licensing Corporation
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Publication of BR112015019525A2 publication Critical patent/BR112015019525A2/pt
Publication of BR112015019525B1 publication Critical patent/BR112015019525B1/pt

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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
    • 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
    • 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
    • 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)
BR112015019525-3A 2013-02-14 2014-01-22 Método, aparelho e mídia não transitória que possui um método armazenado na mesma. BR112015019525B1 (pt)

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

Publications (2)

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BR112015019525A2 BR112015019525A2 (pt) 2017-07-18
BR112015019525B1 true BR112015019525B1 (pt) 2021-12-14

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US (1) US9489956B2 (enExample)
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)
HU (1) HUE032018T2 (enExample)
IL (1) IL239945B (enExample)
IN (1) IN2015MN01955A (enExample)
MX (1) MX344170B (enExample)
PL (1) PL2956934T3 (enExample)
RU (1) RU2620714C2 (enExample)
SG (1) SG11201506129PA (enExample)
TW (1) TWI618051B (enExample)
UA (1) UA113682C2 (enExample)
WO (1) WO2014126683A1 (enExample)

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Also Published As

Publication number Publication date
CN105900168B (zh) 2019-12-06
IL239945B (en) 2019-02-28
EP2956934A1 (en) 2015-12-23
US20160005413A1 (en) 2016-01-07
AR094775A1 (es) 2015-08-26
CA2898271A1 (en) 2014-08-21
RU2015133584A (ru) 2017-02-21
HUE032018T2 (en) 2017-08-28
CL2015002277A1 (es) 2016-02-05
HK1218674A1 (en) 2017-03-03
CA2898271C (en) 2019-02-19
US9489956B2 (en) 2016-11-08
MX2015010166A (es) 2015-12-09
UA113682C2 (xx) 2017-02-27
JP6138279B2 (ja) 2017-05-31
TW201447867A (zh) 2014-12-16
AU2014216732A1 (en) 2015-07-30
PL2956934T3 (pl) 2017-05-31
WO2014126683A1 (en) 2014-08-21
IN2015MN01955A (enExample) 2015-08-28
MX344170B (es) 2016-12-07
AU2014216732B2 (en) 2017-04-20
SG11201506129PA (en) 2015-09-29
CN105900168A (zh) 2016-08-24
KR20150109400A (ko) 2015-10-01
RU2620714C2 (ru) 2017-05-29
TWI618051B (zh) 2018-03-11
IL239945A0 (en) 2015-08-31
DK2956934T3 (en) 2017-02-27
EP2956934B1 (en) 2017-01-04
JP2016510569A (ja) 2016-04-07
BR112015019525A2 (pt) 2017-07-18
KR101724319B1 (ko) 2017-04-07

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