DE69425717T2 - Verfahren zur Anpassung an Kohle/Elektret-Mikrofoncharakteristiken der Telefonhörers für die automatische Sprecheridentitätsprüfung - Google Patents

Verfahren zur Anpassung an Kohle/Elektret-Mikrofoncharakteristiken der Telefonhörers für die automatische Sprecheridentitätsprüfung

Info

Publication number
DE69425717T2
DE69425717T2 DE69425717T DE69425717T DE69425717T2 DE 69425717 T2 DE69425717 T2 DE 69425717T2 DE 69425717 T DE69425717 T DE 69425717T DE 69425717 T DE69425717 T DE 69425717T DE 69425717 T2 DE69425717 T2 DE 69425717T2
Authority
DE
Germany
Prior art keywords
adapting
carbon
telephone handset
electret microphone
identity check
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
DE69425717T
Other languages
English (en)
Other versions
DE69425717D1 (de
Inventor
Richard M Sachs
Max S Schoeffler
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
Publication of DE69425717D1 publication Critical patent/DE69425717D1/de
Application granted granted Critical
Publication of DE69425717T2 publication Critical patent/DE69425717T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G10L17/00—Speaker identification or verification techniques
    • G10L17/20—Pattern transformations or operations aimed at increasing system robustness, e.g. against channel noise or different working conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Function (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
DE69425717T 1993-11-19 1994-11-09 Verfahren zur Anpassung an Kohle/Elektret-Mikrofoncharakteristiken der Telefonhörers für die automatische Sprecheridentitätsprüfung Expired - Fee Related DE69425717T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/155,973 US5528731A (en) 1993-11-19 1993-11-19 Method of accommodating for carbon/electret telephone set variability in automatic speaker verification

Publications (2)

Publication Number Publication Date
DE69425717D1 DE69425717D1 (de) 2000-10-05
DE69425717T2 true DE69425717T2 (de) 2001-02-01

Family

ID=22557533

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69425717T Expired - Fee Related DE69425717T2 (de) 1993-11-19 1994-11-09 Verfahren zur Anpassung an Kohle/Elektret-Mikrofoncharakteristiken der Telefonhörers für die automatische Sprecheridentitätsprüfung

Country Status (7)

Country Link
US (1) US5528731A (de)
EP (1) EP0654781B1 (de)
JP (1) JP3478884B2 (de)
BR (1) BR9404467A (de)
CA (1) CA2133787C (de)
DE (1) DE69425717T2 (de)
ES (1) ES2149846T3 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6567778B1 (en) 1995-12-21 2003-05-20 Nuance Communications Natural language speech recognition using slot semantic confidence scores related to their word recognition confidence scores
JPH10105191A (ja) * 1996-09-30 1998-04-24 Toshiba Corp 音声認識装置及びマイクロホン周波数特性変換方法
WO1998022936A1 (en) * 1996-11-22 1998-05-28 T-Netix, Inc. Subword-based speaker verification using multiple classifier fusion, with channel, fusion, model, and threshold adaptation
DE19811879C1 (de) * 1998-03-18 1999-05-12 Siemens Ag Einrichtung und Verfahren zum Erkennen von Sprache
US6233556B1 (en) 1998-12-16 2001-05-15 Nuance Communications Voice processing and verification system
US6570964B1 (en) 1999-04-16 2003-05-27 Nuance Communications Technique for recognizing telephone numbers and other spoken information embedded in voice messages stored in a voice messaging system
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
US6766295B1 (en) * 1999-05-10 2004-07-20 Nuance Communications Adaptation of a speech recognition system across multiple remote sessions with a speaker
US6751588B1 (en) * 1999-11-23 2004-06-15 Sony Corporation Method for performing microphone conversions in a speech recognition system
US7836491B2 (en) * 2000-04-26 2010-11-16 Semiconductor Energy Laboratory Co., Ltd. System for identifying an individual, a method for identifying an individual or a business method
JP2002014934A (ja) * 2000-04-26 2002-01-18 Semiconductor Energy Lab Co Ltd 本人認証システム、本人認証方法またはビジネス方法
US6804647B1 (en) * 2001-03-13 2004-10-12 Nuance Communications Method and system for on-line unsupervised adaptation in speaker verification
US20040236573A1 (en) * 2001-06-19 2004-11-25 Sapeluk Andrew Thomas Speaker recognition systems
US6778957B2 (en) * 2001-08-21 2004-08-17 International Business Machines Corporation Method and apparatus for handset detection
US7031499B2 (en) * 2002-07-22 2006-04-18 Mitsubishi Electric Research Laboratories, Inc. Object recognition system
US20070239441A1 (en) * 2006-03-29 2007-10-11 Jiri Navratil System and method for addressing channel mismatch through class specific transforms
US8140325B2 (en) * 2007-01-04 2012-03-20 International Business Machines Corporation Systems and methods for intelligent control of microphones for speech recognition applications

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4631749A (en) * 1984-06-22 1986-12-23 Heath Company ROM compensated microphone
JP2776848B2 (ja) * 1988-12-14 1998-07-16 株式会社日立製作所 雑音除去方法、それに用いるニューラルネットワークの学習方法
US5125022A (en) * 1990-05-15 1992-06-23 Vcs Industries, Inc. Method for recognizing alphanumeric strings spoken over a telephone network
CA2042926C (en) * 1990-05-22 1997-02-25 Ryuhei Fujiwara Speech recognition method with noise reduction and a system therefor
US5206913A (en) * 1991-02-15 1993-04-27 Lectrosonics, Inc. Method and apparatus for logic controlled microphone equalization

Also Published As

Publication number Publication date
JP3478884B2 (ja) 2003-12-15
ES2149846T3 (es) 2000-11-16
US5528731A (en) 1996-06-18
DE69425717D1 (de) 2000-10-05
EP0654781B1 (de) 2000-08-30
CA2133787C (en) 1997-12-16
BR9404467A (pt) 1995-07-11
JPH07191691A (ja) 1995-07-28
CA2133787A1 (en) 1995-05-20
EP0654781A2 (de) 1995-05-24
EP0654781A3 (de) 1997-04-16

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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