ES2164870T3 - Reconocimiento del habla. - Google Patents

Reconocimiento del habla.

Info

Publication number
ES2164870T3
ES2164870T3 ES96904973T ES96904973T ES2164870T3 ES 2164870 T3 ES2164870 T3 ES 2164870T3 ES 96904973 T ES96904973 T ES 96904973T ES 96904973 T ES96904973 T ES 96904973T ES 2164870 T3 ES2164870 T3 ES 2164870T3
Authority
ES
Spain
Prior art keywords
recognition
speech recognition
pruning
probability
probability values
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
ES96904973T
Other languages
English (en)
Inventor
Francis James Scahill
Alison Diane Simons
Steven John Whittaker
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 British Telecommunications PLC filed Critical British Telecommunications PLC
Application granted granted Critical
Publication of ES2164870T3 publication Critical patent/ES2164870T3/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
    • G10L15/00—Speech recognition
    • G10L15/01—Assessment or evaluation of speech recognition systems
    • 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
    • G10L15/08—Speech classification or search
    • G10L15/18—Speech classification or search using natural language modelling
    • G10L15/183—Speech classification or search using natural language modelling using context dependencies, e.g. language models
    • G10L15/19—Grammatical context, e.g. disambiguation of the recognition hypotheses based on word sequence rules
    • G10L15/197—Probabilistic grammars, e.g. word n-grams

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Probability & Statistics with Applications (AREA)
  • Artificial Intelligence (AREA)
  • Machine Translation (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Navigation (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Telephonic Communication Services (AREA)
  • Image Analysis (AREA)
  • Selective Calling Equipment (AREA)
  • Character Discrimination (AREA)
  • Document Processing Apparatus (AREA)
  • Computer And Data Communications (AREA)
  • Feedback Control In General (AREA)

Abstract

SE PROPORCIONA UN RECONOCEDOR CON UNOS VALORES DE PROBABILIDAD A PRIORI (POR EJEMPLO, DE ALGUN RECONOCIMIENTO ANTERIOR) INDICANDO QUE PROBABILIDADES TIENEN LAS DIFERENTES PALABRAS DEL VOCABULARIO DEL RECONOCEDOR DE OCURRIR EN EL CONTEXTO PARTICULAR, Y A ESTOS VALORES SE LES DAN "PUNTOS" DE RECONOCIMIENTO ANTES DE QUE SE ELIJA UN RESULTADO (O RESULTADOS). EL RECONOCEDOR TAMBIEN EMPLEA "PODA" DE FORMA QUE RESULTADOS PARCIALES DE BAJA PUNTUACION SE DESCARTAN PARA ACELERAR EL PROCESO DE RECONOCIMIENTO. PARA EVITAR LA PODA PREMATURA DE LAS PALABRAS MAS PROBABLES, LOS VALORES DE PROBABILIDAD SE APLICAN ANTES DE QUE SE TOMEN LAS DECISIONES DE PODA. SE DESCRIBE UN METODO PARA APLICAR ESTOS VALORES DE PROBABILIDAD.
ES96904973T 1995-03-07 1996-03-07 Reconocimiento del habla. Expired - Lifetime ES2164870T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95301477 1995-03-07

Publications (1)

Publication Number Publication Date
ES2164870T3 true ES2164870T3 (es) 2002-03-01

Family

ID=8221113

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96904973T Expired - Lifetime ES2164870T3 (es) 1995-03-07 1996-03-07 Reconocimiento del habla.

Country Status (13)

Country Link
US (1) US5999902A (es)
EP (1) EP0813735B1 (es)
JP (1) JP4180110B2 (es)
KR (1) KR100406604B1 (es)
CN (1) CN1150515C (es)
AU (1) AU702903B2 (es)
CA (1) CA2211636C (es)
DE (1) DE69615667T2 (es)
ES (1) ES2164870T3 (es)
MX (1) MX9706407A (es)
NO (1) NO974097L (es)
NZ (1) NZ302748A (es)
WO (1) WO1996027872A1 (es)

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Also Published As

Publication number Publication date
US5999902A (en) 1999-12-07
JPH11501410A (ja) 1999-02-02
DE69615667T2 (de) 2002-06-20
KR19980702723A (ko) 1998-08-05
EP0813735B1 (en) 2001-10-04
NO974097D0 (no) 1997-09-05
CN1178023A (zh) 1998-04-01
DE69615667D1 (de) 2001-11-08
JP4180110B2 (ja) 2008-11-12
CA2211636C (en) 2002-01-22
CA2211636A1 (en) 1996-09-12
AU702903B2 (en) 1999-03-11
AU4887696A (en) 1996-09-23
CN1150515C (zh) 2004-05-19
NO974097L (no) 1997-09-08
WO1996027872A1 (en) 1996-09-12
NZ302748A (en) 1999-04-29
KR100406604B1 (ko) 2004-02-18
EP0813735A1 (en) 1997-12-29
MX9706407A (es) 1997-11-29

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