BRPI0716521A2 - tÉcnicas de melhoria de diÁlogo - Google Patents

tÉcnicas de melhoria de diÁlogo

Info

Publication number
BRPI0716521A2
BRPI0716521A2 BRPI0716521-8A2A BRPI0716521A BRPI0716521A2 BR PI0716521 A2 BRPI0716521 A2 BR PI0716521A2 BR PI0716521 A BRPI0716521 A BR PI0716521A BR PI0716521 A2 BRPI0716521 A2 BR PI0716521A2
Authority
BR
Brazil
Prior art keywords
component signal
speech
signal
speech component
plural
Prior art date
Application number
BRPI0716521-8A2A
Other languages
English (en)
Inventor
Hyen-O Oh
Yang Won Jung
Christof Faller
Original Assignee
Lg Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of BRPI0716521A2 publication Critical patent/BRPI0716521A2/pt

Links

Classifications

    • 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
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • 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 
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208—Noise filtering
    • G10L21/0216—Noise filtering characterised by the method used for estimating noise
    • G10L21/0232—Processing in the frequency domain
    • 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
    • H04S2400/05—Generation or adaptation of centre channel in multi-channel 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
    • H04S2420/03—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Image Processing (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Electrotherapy Devices (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
BRPI0716521-8A2A 2006-09-14 2007-09-14 tÉcnicas de melhoria de diÁlogo BRPI0716521A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US84480606P 2006-09-14 2006-09-14
US88459407P 2007-01-11 2007-01-11
US94326807P 2007-06-11 2007-06-11
PCT/EP2007/008028 WO2008031611A1 (en) 2006-09-14 2007-09-14 Dialogue enhancement techniques

Publications (1)

Publication Number Publication Date
BRPI0716521A2 true BRPI0716521A2 (pt) 2013-09-24

Family

ID=38853226

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0716521-8A2A BRPI0716521A2 (pt) 2006-09-14 2007-09-14 tÉcnicas de melhoria de diÁlogo

Country Status (11)

Country Link
US (3) US8184834B2 (pt)
EP (3) EP2070389B1 (pt)
JP (3) JP2010515290A (pt)
KR (3) KR101137359B1 (pt)
AT (2) ATE487339T1 (pt)
AU (1) AU2007296933B2 (pt)
BR (1) BRPI0716521A2 (pt)
CA (1) CA2663124C (pt)
DE (1) DE602007010330D1 (pt)
MX (1) MX2009002779A (pt)
WO (3) WO2008032209A2 (pt)

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Also Published As

Publication number Publication date
US20080165975A1 (en) 2008-07-10
AU2007296933A1 (en) 2008-03-20
EP2064915A2 (en) 2009-06-03
US8275610B2 (en) 2012-09-25
ATE487339T1 (de) 2010-11-15
WO2008035227A2 (en) 2008-03-27
EP2064915B1 (en) 2014-08-27
EP2064915A4 (en) 2012-09-26
KR20090053951A (ko) 2009-05-28
US8184834B2 (en) 2012-05-22
CA2663124C (en) 2013-08-06
KR101061132B1 (ko) 2011-08-31
AU2007296933B2 (en) 2011-09-22
WO2008035227A3 (en) 2008-08-07
CA2663124A1 (en) 2008-03-20
ATE510421T1 (de) 2011-06-15
US8238560B2 (en) 2012-08-07
KR101061415B1 (ko) 2011-09-01
EP2070391A2 (en) 2009-06-17
WO2008032209A3 (en) 2008-07-24
KR101137359B1 (ko) 2012-04-25
WO2008031611A1 (en) 2008-03-20
JP2010515290A (ja) 2010-05-06
KR20090074191A (ko) 2009-07-06
JP2010504008A (ja) 2010-02-04
WO2008032209A2 (en) 2008-03-20
EP2070391A4 (en) 2009-11-11
EP2070391B1 (en) 2010-11-03
JP2010518655A (ja) 2010-05-27
US20080165286A1 (en) 2008-07-10
KR20090053950A (ko) 2009-05-28
EP2070389B1 (en) 2011-05-18
EP2070389A1 (en) 2009-06-17
US20080167864A1 (en) 2008-07-10
MX2009002779A (es) 2009-03-30
DE602007010330D1 (de) 2010-12-16

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