DE69614937T2 - Verfahren und System zur Spracherkennung mit verringerter Erkennungszeit unter Berücksichtigung von Veränderungen der Hintergrundgeräusche - Google Patents

Verfahren und System zur Spracherkennung mit verringerter Erkennungszeit unter Berücksichtigung von Veränderungen der Hintergrundgeräusche

Info

Publication number
DE69614937T2
DE69614937T2 DE69614937T DE69614937T DE69614937T2 DE 69614937 T2 DE69614937 T2 DE 69614937T2 DE 69614937 T DE69614937 T DE 69614937T DE 69614937 T DE69614937 T DE 69614937T DE 69614937 T2 DE69614937 T2 DE 69614937T2
Authority
DE
Germany
Prior art keywords
changes
background noise
taking account
time taking
reduced
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 - Fee Related
Application number
DE69614937T
Other languages
English (en)
Other versions
DE69614937D1 (de
Inventor
Hiroshi Hirayama
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.)
NEC Electronics Corp
Original Assignee
NEC 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 NEC Corp filed Critical NEC Corp
Publication of DE69614937D1 publication Critical patent/DE69614937D1/de
Application granted granted Critical
Publication of DE69614937T2 publication Critical patent/DE69614937T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G10L15/06—Creation of reference templates; Training of speech recognition systems, e.g. adaptation to the characteristics of the speaker's voice
    • G10L15/063—Training
    • 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
    • G10L15/10—Speech classification or search using distance or distortion measures between unknown speech and reference templates
    • 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
DE69614937T 1995-06-23 1996-06-20 Verfahren und System zur Spracherkennung mit verringerter Erkennungszeit unter Berücksichtigung von Veränderungen der Hintergrundgeräusche Expired - Fee Related DE69614937T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7180734A JP2780676B2 (ja) 1995-06-23 1995-06-23 音声認識装置及び音声認識方法

Publications (2)

Publication Number Publication Date
DE69614937D1 DE69614937D1 (de) 2001-10-11
DE69614937T2 true DE69614937T2 (de) 2002-04-04

Family

ID=16088382

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69614937T Expired - Fee Related DE69614937T2 (de) 1995-06-23 1996-06-20 Verfahren und System zur Spracherkennung mit verringerter Erkennungszeit unter Berücksichtigung von Veränderungen der Hintergrundgeräusche

Country Status (4)

Country Link
US (1) US5854999A (de)
EP (1) EP0750292B1 (de)
JP (1) JP2780676B2 (de)
DE (1) DE69614937T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0856832A1 (de) * 1997-02-03 1998-08-05 Koninklijke Philips Electronics N.V. Verfahren und Vorrichtung zur Worterkennung
GB9706174D0 (en) * 1997-03-25 1997-11-19 Secr Defence Recognition system
US6014624A (en) * 1997-04-18 2000-01-11 Nynex Science And Technology, Inc. Method and apparatus for transitioning from one voice recognition system to another
US5960397A (en) * 1997-05-27 1999-09-28 At&T Corp 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
US5970446A (en) 1997-11-25 1999-10-19 At&T Corp Selective noise/channel/coding models and recognizers for automatic speech recognition
US6980952B1 (en) * 1998-08-15 2005-12-27 Texas Instruments Incorporated Source normalization training for HMM modeling of speech
US7263489B2 (en) * 1998-12-01 2007-08-28 Nuance Communications, Inc. Detection of characteristics of human-machine interactions for dialog customization and analysis
US7058573B1 (en) * 1999-04-20 2006-06-06 Nuance Communications Inc. Speech recognition system to selectively utilize different speech recognition techniques over multiple speech recognition passes
JP4169921B2 (ja) * 2000-09-29 2008-10-22 パイオニア株式会社 音声認識システム
US7451085B2 (en) * 2000-10-13 2008-11-11 At&T Intellectual Property Ii, L.P. System and method for providing a compensated speech recognition model for speech recognition
US6941266B1 (en) * 2000-11-15 2005-09-06 At&T Corp. Method and system for predicting problematic dialog situations in a task classification system
EP1229516A1 (de) * 2001-01-26 2002-08-07 Telefonaktiebolaget L M Ericsson (Publ) Verfahren, Vorrichtung, Endgerät und System zur automatischen Erkennung verzerrter Sprachdaten
TWI223792B (en) * 2003-04-04 2004-11-11 Penpower Technology Ltd Speech model training method applied in speech recognition
KR100612839B1 (ko) * 2004-02-18 2006-08-18 삼성전자주식회사 도메인 기반 대화 음성인식방법 및 장치
US7877255B2 (en) * 2006-03-31 2011-01-25 Voice Signal Technologies, Inc. Speech recognition using channel verification
JP4245617B2 (ja) * 2006-04-06 2009-03-25 株式会社東芝 特徴量補正装置、特徴量補正方法および特徴量補正プログラム
JP4316583B2 (ja) * 2006-04-07 2009-08-19 株式会社東芝 特徴量補正装置、特徴量補正方法および特徴量補正プログラム
US8615397B2 (en) * 2008-04-04 2013-12-24 Intuit Inc. Identifying audio content using distorted target patterns
US9462230B1 (en) * 2014-03-31 2016-10-04 Amazon Technologies Catch-up video buffering
US10963063B2 (en) * 2015-12-18 2021-03-30 Sony Corporation Information processing apparatus, information processing method, and program

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4926488A (en) * 1987-07-09 1990-05-15 International Business Machines Corporation Normalization of speech by adaptive labelling
JP2737624B2 (ja) * 1993-12-27 1998-04-08 日本電気株式会社 音声認識装置
JP2768274B2 (ja) * 1994-09-08 1998-06-25 日本電気株式会社 音声認識装置

Also Published As

Publication number Publication date
US5854999A (en) 1998-12-29
DE69614937D1 (de) 2001-10-11
JPH096394A (ja) 1997-01-10
EP0750292B1 (de) 2001-09-05
EP0750292A3 (de) 1998-04-08
EP0750292A2 (de) 1996-12-27
JP2780676B2 (ja) 1998-07-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: NEC ELECTRONICS CORP., KAWASAKI, KANAGAWA, JP

8339 Ceased/non-payment of the annual fee