ES2161522T3 - Eliminacion acelerada de ruido de convolucion. - Google Patents

Eliminacion acelerada de ruido de convolucion.

Info

Publication number
ES2161522T3
ES2161522T3 ES98909699T ES98909699T ES2161522T3 ES 2161522 T3 ES2161522 T3 ES 2161522T3 ES 98909699 T ES98909699 T ES 98909699T ES 98909699 T ES98909699 T ES 98909699T ES 2161522 T3 ES2161522 T3 ES 2161522T3
Authority
ES
Spain
Prior art keywords
log
segments
model
convolution noise
signal
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
ES98909699T
Other languages
English (en)
Inventor
Hamme Hugo Van
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lernout and Hauspie Speech Products NV
Original Assignee
Lernout and Hauspie Speech Products NV
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 Lernout and Hauspie Speech Products NV filed Critical Lernout and Hauspie Speech Products NV
Application granted granted Critical
Publication of ES2161522T3 publication Critical patent/ES2161522T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G10L15/00—Speech recognition
    • G10L15/20—Speech recognition techniques specially adapted for robustness in adverse environments, e.g. in noise, of stress induced speech

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Noise Elimination (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Complex Calculations (AREA)
  • Soil Working Implements (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

Un procedimiento para eliminar ruido de convolución de una señal, comprendiendo el procedimiento: a. Caracterizar la señal con respecto a una pluralidad de bandas de frecuencia, teniendo la señal una potencia en cada banda de frecuencia; b. Calcular un logaritmo de una cantidad que caracteriza la potencia de la señal en cada banda de frecuencia en un intervalo especificado de tiempo para derivar una transformada de la señal en el dominio del espectro logarítmico; c. Ajustar un espectro suavizado de la potencia logarítmica a la transformada de la señal en el dominio del espectro logarítmico para derivar un espectro ajustado de la potencia logarítmica que se corresponde con el efecto del ruido de convolución en el dominio espectral logarítmico; d. Eliminar una función del espectro ajustado de la potencia logarítmica de la transformada de la señal en el dominio del espectro logarítmico.
ES98909699T 1997-02-21 1998-02-13 Eliminacion acelerada de ruido de convolucion. Expired - Lifetime ES2161522T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3846897P 1997-02-21 1997-02-21

Publications (1)

Publication Number Publication Date
ES2161522T3 true ES2161522T3 (es) 2001-12-01

Family

ID=21900145

Family Applications (1)

Application Number Title Priority Date Filing Date
ES98909699T Expired - Lifetime ES2161522T3 (es) 1997-02-21 1998-02-13 Eliminacion acelerada de ruido de convolucion.

Country Status (11)

Country Link
US (1) US6044340A (es)
EP (1) EP1010168B1 (es)
JP (1) JP2001512585A (es)
AT (1) ATE205628T1 (es)
AU (1) AU737067B2 (es)
CA (1) CA2278231A1 (es)
DE (1) DE69801674T2 (es)
DK (1) DK1010168T3 (es)
ES (1) ES2161522T3 (es)
PT (1) PT1010168E (es)
WO (1) WO1998037542A1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6351729B1 (en) * 1999-07-12 2002-02-26 Lucent Technologies Inc. Multiple-window method for obtaining improved spectrograms of signals
DE10005609C1 (de) * 2000-02-09 2001-08-09 Siemens Ag Verfahren zur Spracherkennung
US6694294B1 (en) * 2000-10-31 2004-02-17 Qualcomm Incorporated System and method of mu-law or A-law compression of bark amplitudes for speech recognition
US7697700B2 (en) * 2006-05-04 2010-04-13 Sony Computer Entertainment Inc. Noise removal for electronic device with far field microphone on console
JP4423300B2 (ja) * 2004-10-28 2010-03-03 富士通株式会社 雑音抑圧装置
US7697620B2 (en) 2005-11-14 2010-04-13 Ibiquity Digital Corporation Equalizer for AM in-band on-channel radio receivers
US7877255B2 (en) * 2006-03-31 2011-01-25 Voice Signal Technologies, Inc. Speech recognition using channel verification
US20100094622A1 (en) * 2008-10-10 2010-04-15 Nexidia Inc. Feature normalization for speech and audio processing
US20100262423A1 (en) * 2009-04-13 2010-10-14 Microsoft Corporation Feature compensation approach to robust speech recognition
US20170275986A1 (en) * 2015-11-05 2017-09-28 Halliburton Energy Services Inc. Fluid flow metering with point sensing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5450522A (en) * 1991-08-19 1995-09-12 U S West Advanced Technologies, Inc. Auditory model for parametrization of speech
US5598505A (en) * 1994-09-30 1997-01-28 Apple Computer, Inc. Cepstral correction vector quantizer for speech recognition

Also Published As

Publication number Publication date
EP1010168B1 (en) 2001-09-12
ATE205628T1 (de) 2001-09-15
DE69801674T2 (de) 2002-06-20
JP2001512585A (ja) 2001-08-21
DE69801674D1 (de) 2001-10-18
AU737067B2 (en) 2001-08-09
WO1998037542A1 (en) 1998-08-27
DK1010168T3 (da) 2001-12-27
PT1010168E (pt) 2002-02-28
EP1010168A1 (en) 2000-06-21
AU6416098A (en) 1998-09-09
CA2278231A1 (en) 1998-08-27
US6044340A (en) 2000-03-28

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