DE60238619D1 - Verbesserung der sprachverständlichkeit mit einem psychoakustischen model und einer überabgetasteten filterbank - Google Patents

Verbesserung der sprachverständlichkeit mit einem psychoakustischen model und einer überabgetasteten filterbank

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Publication number
DE60238619D1
DE60238619D1 DE60238619T DE60238619T DE60238619D1 DE 60238619 D1 DE60238619 D1 DE 60238619D1 DE 60238619 T DE60238619 T DE 60238619T DE 60238619 T DE60238619 T DE 60238619T DE 60238619 D1 DE60238619 D1 DE 60238619D1
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DE
Germany
Prior art keywords
psychoa
improvement
filter bank
acoustic model
language compatibility
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60238619T
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English (en)
Inventor
Todd Schneider
David Coode
Robert L Brennan
Peter Olijnyk
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On Semiconductor Trading Ltd
Original Assignee
Emma Mixed Signal CV
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Publication of DE60238619D1 publication Critical patent/DE60238619D1/de
Anticipated expiration legal-status Critical
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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
    • G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/0212—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 orthogonal transformation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G10L2021/02168—Noise filtering characterised by the method used for estimating noise the estimation exclusively taking place during speech pauses
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Processing of the speech or voice signal 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
    • G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
    • H04R25/356—Amplitude, e.g. amplitude shift or compression
DE60238619T 2001-08-07 2002-08-07 Verbesserung der sprachverständlichkeit mit einem psychoakustischen model und einer überabgetasteten filterbank Expired - Lifetime DE60238619D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002354755A CA2354755A1 (en) 2001-08-07 2001-08-07 Sound intelligibilty enhancement using a psychoacoustic model and an oversampled filterbank
PCT/CA2002/001221 WO2003015082A1 (en) 2001-08-07 2002-08-07 Sound intelligibilty enchancement using a psychoacoustic model and an oversampled fiolterbank

Publications (1)

Publication Number Publication Date
DE60238619D1 true DE60238619D1 (de) 2011-01-27

Family

ID=4169675

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60238619T Expired - Lifetime DE60238619D1 (de) 2001-08-07 2002-08-07 Verbesserung der sprachverständlichkeit mit einem psychoakustischen model und einer überabgetasteten filterbank

Country Status (10)

Country Link
US (1) US7050966B2 (de)
EP (1) EP1417679B1 (de)
JP (2) JP4731115B2 (de)
CN (2) CN1308915C (de)
AT (1) ATE492015T1 (de)
AU (1) AU2002322866B2 (de)
CA (1) CA2354755A1 (de)
DE (1) DE60238619D1 (de)
DK (1) DK1417679T3 (de)
WO (1) WO2003015082A1 (de)

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CN1308915C (zh) 2007-04-04
DK1417679T3 (da) 2011-03-28
JP4731115B2 (ja) 2011-07-20
ATE492015T1 (de) 2011-01-15
US7050966B2 (en) 2006-05-23
AU2002322866B2 (en) 2007-10-11
CN1568502A (zh) 2005-01-19
JP2004537940A (ja) 2004-12-16
CN101105941B (zh) 2010-09-22
CA2354755A1 (en) 2003-02-07
US20030198357A1 (en) 2003-10-23
CN101105941A (zh) 2008-01-16
EP1417679B1 (de) 2010-12-15
WO2003015082A1 (en) 2003-02-20
JP2010200350A (ja) 2010-09-09

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