DE3773039D1 - Spracherkennungssystem unter verwendung von markov-modellen. - Google Patents

Spracherkennungssystem unter verwendung von markov-modellen.

Info

Publication number
DE3773039D1
DE3773039D1 DE8787302603T DE3773039T DE3773039D1 DE 3773039 D1 DE3773039 D1 DE 3773039D1 DE 8787302603 T DE8787302603 T DE 8787302603T DE 3773039 T DE3773039 T DE 3773039T DE 3773039 D1 DE3773039 D1 DE 3773039D1
Authority
DE
Germany
Prior art keywords
voice recognition
recognition system
markov models
markov
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 - Fee Related
Application number
DE8787302603T
Other languages
English (en)
Inventor
Akihiro Kuroda
Masafumi Nishimura
Kazuhide Sugawara
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3773039D1 publication Critical patent/DE3773039D1/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
    • G10L15/06—Creation of reference templates; Training of speech recognition systems, e.g. adaptation to the characteristics of the speaker's voice
    • G10L15/065—Adaptation
    • G10L15/07—Adaptation to the speaker
    • 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
DE8787302603T 1986-03-25 1987-03-25 Spracherkennungssystem unter verwendung von markov-modellen. Expired - Fee Related DE3773039D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61065030A JPS62231993A (ja) 1986-03-25 1986-03-25 音声認識方法

Publications (1)

Publication Number Publication Date
DE3773039D1 true DE3773039D1 (de) 1991-10-24

Family

ID=13275169

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787302603T Expired - Fee Related DE3773039D1 (de) 1986-03-25 1987-03-25 Spracherkennungssystem unter verwendung von markov-modellen.

Country Status (5)

Country Link
US (1) US4829577A (de)
EP (1) EP0243009B1 (de)
JP (1) JPS62231993A (de)
CA (1) CA1256562A (de)
DE (1) DE3773039D1 (de)

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JPH01102599A (ja) * 1987-10-12 1989-04-20 Internatl Business Mach Corp <Ibm> 音声認識方法
US5072452A (en) * 1987-10-30 1991-12-10 International Business Machines Corporation Automatic determination of labels and Markov word models in a speech recognition system
EP0314908B1 (de) * 1987-10-30 1992-12-02 International Business Machines Corporation Automatische Bestimmung von Kennzeichen und Markov-Wortmodellen in einem Spracherkennungssystem
JP2545914B2 (ja) * 1988-02-09 1996-10-23 日本電気株式会社 音声認識方法
JP2733955B2 (ja) * 1988-05-18 1998-03-30 日本電気株式会社 適応型音声認識装置
JPH0293597A (ja) * 1988-09-30 1990-04-04 Nippon I B M Kk 音声認識装置
US5027406A (en) * 1988-12-06 1991-06-25 Dragon Systems, Inc. Method for interactive speech recognition and training
JPH067348B2 (ja) * 1989-04-13 1994-01-26 株式会社東芝 パタン認識装置
US5509104A (en) * 1989-05-17 1996-04-16 At&T Corp. Speech recognition employing key word modeling and non-key word modeling
CA2015410C (en) * 1989-05-17 1996-04-02 Chin H. Lee Speech recognition employing key word modeling and non-key word modeling
US5220639A (en) * 1989-12-01 1993-06-15 National Science Council Mandarin speech input method for Chinese computers and a mandarin speech recognition machine
US5129001A (en) * 1990-04-25 1992-07-07 International Business Machines Corporation Method and apparatus for modeling words with multi-arc markov models
DE4024890A1 (de) * 1990-08-06 1992-02-13 Standard Elektrik Lorenz Ag Anpassung von referenzsprachmustern an umgebungsbedingte aussprachevarianten
US5182773A (en) * 1991-03-22 1993-01-26 International Business Machines Corporation Speaker-independent label coding apparatus
US5278942A (en) * 1991-12-05 1994-01-11 International Business Machines Corporation Speech coding apparatus having speaker dependent prototypes generated from nonuser reference data
US5544257A (en) * 1992-01-08 1996-08-06 International Business Machines Corporation Continuous parameter hidden Markov model approach to automatic handwriting recognition
JP2795058B2 (ja) * 1992-06-03 1998-09-10 松下電器産業株式会社 時系列信号処理装置
US5502774A (en) * 1992-06-09 1996-03-26 International Business Machines Corporation Automatic recognition of a consistent message using multiple complimentary sources of information
WO1994015330A1 (en) * 1992-12-18 1994-07-07 Sri International Method and apparatus for automatic evaluation of pronunciation
JPH0776880B2 (ja) * 1993-01-13 1995-08-16 日本電気株式会社 パターン認識方法および装置
US5627939A (en) * 1993-09-03 1997-05-06 Microsoft Corporation Speech recognition system and method employing data compression
US5602963A (en) * 1993-10-12 1997-02-11 Voice Powered Technology International, Inc. Voice activated personal organizer
US5794197A (en) * 1994-01-21 1998-08-11 Micrsoft Corporation Senone tree representation and evaluation
CN1159704C (zh) * 1994-06-13 2004-07-28 松下电器产业株式会社 信号分析装置
US5805771A (en) * 1994-06-22 1998-09-08 Texas Instruments Incorporated Automatic language identification method and system
US5805772A (en) * 1994-12-30 1998-09-08 Lucent Technologies Inc. Systems, methods and articles of manufacture for performing high resolution N-best string hypothesization
US5864810A (en) * 1995-01-20 1999-01-26 Sri International Method and apparatus for speech recognition adapted to an individual speaker
US5710866A (en) * 1995-05-26 1998-01-20 Microsoft Corporation System and method for speech recognition using dynamically adjusted confidence measure
US5913193A (en) * 1996-04-30 1999-06-15 Microsoft Corporation Method and system of runtime acoustic unit selection for speech synthesis
US5937384A (en) * 1996-05-01 1999-08-10 Microsoft Corporation Method and system for speech recognition using continuous density hidden Markov models
US5806030A (en) * 1996-05-06 1998-09-08 Matsushita Electric Ind Co Ltd Low complexity, high accuracy clustering method for speech recognizer
US5835890A (en) * 1996-08-02 1998-11-10 Nippon Telegraph And Telephone Corporation Method for speaker adaptation of speech models recognition scheme using the method and recording medium having the speech recognition method recorded thereon
US6151575A (en) * 1996-10-28 2000-11-21 Dragon Systems, Inc. Rapid adaptation of speech models
US6349281B1 (en) * 1997-01-30 2002-02-19 Seiko Epson Corporation Voice model learning data creation method and its apparatus
US6212498B1 (en) 1997-03-28 2001-04-03 Dragon Systems, Inc. Enrollment in speech recognition
US6223156B1 (en) * 1998-04-07 2001-04-24 At&T Corp. Speech recognition of caller identifiers using location information
US6263309B1 (en) 1998-04-30 2001-07-17 Matsushita Electric Industrial Co., Ltd. Maximum likelihood method for finding an adapted speaker model in eigenvoice space
US6343267B1 (en) 1998-04-30 2002-01-29 Matsushita Electric Industrial Co., Ltd. Dimensionality reduction for speaker normalization and speaker and environment adaptation using eigenvoice techniques
US6163768A (en) 1998-06-15 2000-12-19 Dragon Systems, Inc. Non-interactive enrollment in speech recognition
US6233557B1 (en) * 1999-02-23 2001-05-15 Motorola, Inc. Method of selectively assigning a penalty to a probability associated with a voice recognition system
US6463413B1 (en) * 1999-04-20 2002-10-08 Matsushita Electrical Industrial Co., Ltd. Speech recognition training for small hardware devices
US6526379B1 (en) 1999-11-29 2003-02-25 Matsushita Electric Industrial Co., Ltd. Discriminative clustering methods for automatic speech recognition
US6571208B1 (en) 1999-11-29 2003-05-27 Matsushita Electric Industrial Co., Ltd. Context-dependent acoustic models for medium and large vocabulary speech recognition with eigenvoice training
US7216077B1 (en) * 2000-09-26 2007-05-08 International Business Machines Corporation Lattice-based unsupervised maximum likelihood linear regression for speaker adaptation
US20030055644A1 (en) * 2001-08-17 2003-03-20 At&T Corp. Systems and methods for aggregating related inputs using finite-state devices and extracting meaning from multimodal inputs using aggregation
US7257575B1 (en) 2002-10-24 2007-08-14 At&T Corp. Systems and methods for generating markup-language based expressions from multi-modal and unimodal inputs
US7362892B2 (en) * 2003-07-02 2008-04-22 Lockheed Martin Corporation Self-optimizing classifier
JP4366652B2 (ja) * 2004-04-23 2009-11-18 横河電機株式会社 伝送器及びその二重化方法
US8595004B2 (en) * 2007-12-18 2013-11-26 Nec Corporation Pronunciation variation rule extraction apparatus, pronunciation variation rule extraction method, and pronunciation variation rule extraction program
US9020816B2 (en) * 2008-08-14 2015-04-28 21Ct, Inc. Hidden markov model for speech processing with training method
US8473293B1 (en) * 2012-04-17 2013-06-25 Google Inc. Dictionary filtering using market data
DK2713367T3 (en) * 2012-09-28 2017-02-20 Agnitio S L Speech Recognition
US10141009B2 (en) 2016-06-28 2018-11-27 Pindrop Security, Inc. System and method for cluster-based audio event detection
US9824692B1 (en) 2016-09-12 2017-11-21 Pindrop Security, Inc. End-to-end speaker recognition using deep neural network
WO2018053537A1 (en) 2016-09-19 2018-03-22 Pindrop Security, Inc. Improvements of speaker recognition in the call center
WO2018053531A1 (en) * 2016-09-19 2018-03-22 Pindrop Security, Inc. Dimensionality reduction of baum-welch statistics for speaker recognition
AU2017327003B2 (en) 2016-09-19 2019-05-23 Pindrop Security, Inc. Channel-compensated low-level features for speaker recognition
US10397398B2 (en) 2017-01-17 2019-08-27 Pindrop Security, Inc. Authentication using DTMF tones
WO2020159917A1 (en) 2019-01-28 2020-08-06 Pindrop Security, Inc. Unsupervised keyword spotting and word discovery for fraud analytics
US11019201B2 (en) 2019-02-06 2021-05-25 Pindrop Security, Inc. Systems and methods of gateway detection in a telephone network
US11646018B2 (en) 2019-03-25 2023-05-09 Pindrop Security, Inc. Detection of calls from voice assistants

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4587670A (en) * 1982-10-15 1986-05-06 At&T Bell Laboratories Hidden Markov model speech recognition arrangement
US4593367A (en) * 1984-01-16 1986-06-03 Itt Corporation Probabilistic learning element
US4718094A (en) * 1984-11-19 1988-01-05 International Business Machines Corp. Speech recognition system
US4741036A (en) * 1985-01-31 1988-04-26 International Business Machines Corporation Determination of phone weights for markov models in a speech recognition system
US4759068A (en) * 1985-05-29 1988-07-19 International Business Machines Corporation Constructing Markov models of words from multiple utterances
US4748670A (en) * 1985-05-29 1988-05-31 International Business Machines Corporation Apparatus and method for determining a likely word sequence from labels generated by an acoustic processor
US4783803A (en) * 1985-11-12 1988-11-08 Dragon Systems, Inc. Speech recognition apparatus and method

Also Published As

Publication number Publication date
EP0243009B1 (de) 1991-09-18
JPH0355837B2 (de) 1991-08-26
CA1256562A (en) 1989-06-27
EP0243009A1 (de) 1987-10-28
US4829577A (en) 1989-05-09
JPS62231993A (ja) 1987-10-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee