DE69838189D1 - Integration mehrfacher Modelle für die Spracherkennung in verschiedenen Umgebungen - Google Patents

Integration mehrfacher Modelle für die Spracherkennung in verschiedenen Umgebungen

Info

Publication number
DE69838189D1
DE69838189D1 DE69838189T DE69838189T DE69838189D1 DE 69838189 D1 DE69838189 D1 DE 69838189D1 DE 69838189 T DE69838189 T DE 69838189T DE 69838189 T DE69838189 T DE 69838189T DE 69838189 D1 DE69838189 D1 DE 69838189D1
Authority
DE
Germany
Prior art keywords
integration
speech recognition
different environments
multiple models
models
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
DE69838189T
Other languages
English (en)
Other versions
DE69838189T2 (de
Inventor
Mazin G Rahim
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.)
AT&T Corp
Original Assignee
AT&T Corp
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 AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69838189D1 publication Critical patent/DE69838189D1/de
Publication of DE69838189T2 publication Critical patent/DE69838189T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/08—Speech classification or search
    • G10L15/14—Speech classification or search using statistical models, e.g. Hidden Markov Models [HMMs]
    • G10L15/142—Hidden Markov Models [HMMs]
    • G10L15/144—Training of HMMs
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
    • G10L2015/226—Procedures used during a speech recognition process, e.g. man-machine dialogue using non-speech characteristics
    • G10L2015/228—Procedures used during a speech recognition process, e.g. man-machine dialogue using non-speech characteristics of application context
    • 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

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)
  • Character Discrimination (AREA)
  • Document Processing Apparatus (AREA)
  • Machine Translation (AREA)
  • Image Analysis (AREA)
DE69838189T 1997-05-27 1998-05-14 Integration mehrfacher Modelle für die Spracherkennung in verschiedenen Umgebungen Expired - Lifetime DE69838189T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US863927 1997-05-27
US08/863,927 US5960397A (en) 1997-05-27 1997-05-27 System and method of recognizing an acoustic environment to adapt a set of based recognition models to the current acoustic environment for subsequent speech recognition

Publications (2)

Publication Number Publication Date
DE69838189D1 true DE69838189D1 (de) 2007-09-13
DE69838189T2 DE69838189T2 (de) 2008-04-30

Family

ID=25342132

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69838189T Expired - Lifetime DE69838189T2 (de) 1997-05-27 1998-05-14 Integration mehrfacher Modelle für die Spracherkennung in verschiedenen Umgebungen
DE69831114T Expired - Lifetime DE69831114T2 (de) 1997-05-27 1998-05-14 Integration mehrfacher Modelle für die Spracherkennung in verschiedenen Umgebungen

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69831114T Expired - Lifetime DE69831114T2 (de) 1997-05-27 1998-05-14 Integration mehrfacher Modelle für die Spracherkennung in verschiedenen Umgebungen

Country Status (4)

Country Link
US (1) US5960397A (de)
EP (2) EP0881625B1 (de)
CA (1) CA2233728C (de)
DE (2) DE69838189T2 (de)

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Also Published As

Publication number Publication date
US5960397A (en) 1999-09-28
DE69838189T2 (de) 2008-04-30
EP1526504B1 (de) 2007-08-01
CA2233728C (en) 2002-10-15
DE69831114T2 (de) 2006-05-18
EP0881625B1 (de) 2005-08-10
EP0881625A3 (de) 1999-07-28
EP1526504A1 (de) 2005-04-27
CA2233728A1 (en) 1998-11-27
EP0881625A2 (de) 1998-12-02
DE69831114D1 (de) 2005-09-15

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