CA2227925A1 - Speaker recognition device - Google Patents

Speaker recognition device

Info

Publication number
CA2227925A1
CA2227925A1 CA002227925A CA2227925A CA2227925A1 CA 2227925 A1 CA2227925 A1 CA 2227925A1 CA 002227925 A CA002227925 A CA 002227925A CA 2227925 A CA2227925 A CA 2227925A CA 2227925 A1 CA2227925 A1 CA 2227925A1
Authority
CA
Canada
Prior art keywords
speaker
verification
text
executed
password
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.)
Granted
Application number
CA002227925A
Other languages
French (fr)
Other versions
CA2227925C (en
Inventor
Hiroaki Hattori
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 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 CA2227925A1 publication Critical patent/CA2227925A1/en
Application granted granted Critical
Publication of CA2227925C publication Critical patent/CA2227925C/en
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
    • G10L17/00—Speaker identification or verification
    • G10L17/06—Decision making techniques; Pattern matching strategies
    • G10L17/14—Use of phonemic categorisation or speech recognition prior to speaker recognition or verification
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L17/00—Speaker identification or verification
    • G10L17/22—Interactive procedures; Man-machine interfaces
    • G10L17/24—Interactive procedures; Man-machine interfaces the user being prompted to utter a password or a predefined phrase

Abstract

A speaker recognition device for judging whether or not an unknown speaker is an authentic registered speaker himself/herself executes 'text verification using speaker independent speech recognition and 'speaker verification by comparison with a reference pattern of a password of a registered speaker'. A presentation section instructs the unknown speaker to input an ID and utter a specified text designated by a text generation section and a password. The 'text verification' of the specified text is executed by a text verification section, and the 'speaker verification' of the password is executed by a similarity calculation section.
A judgment section judges that the unknown speaker is the authentic registered speaker himself/herself if both the results of the 'text verification' and the 'speaker verification' are affirmative. According to the device, the 'text verification' is executed using a set of speaker independent reference patterns, and the 'speaker verification' is executed using speaker reference patterns of passwords of registered speakers, thus considerably reducing storage capacity required for storing reference patterns for verification. Preferably, 'speaker identity verifi-cation' between the specified text and the password is executed.
CA002227925A 1997-01-29 1998-01-27 Speaker recognition device Expired - Fee Related CA2227925C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9015595A JP2991144B2 (en) 1997-01-29 1997-01-29 Speaker recognition device
JP9-15595 1997-01-29

Publications (2)

Publication Number Publication Date
CA2227925A1 true CA2227925A1 (en) 1998-07-29
CA2227925C CA2227925C (en) 2001-11-27

Family

ID=11893080

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002227925A Expired - Fee Related CA2227925C (en) 1997-01-29 1998-01-27 Speaker recognition device

Country Status (5)

Country Link
US (1) US6094632A (en)
EP (1) EP0856836B1 (en)
JP (1) JP2991144B2 (en)
CA (1) CA2227925C (en)
DE (1) DE69814195T2 (en)

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Also Published As

Publication number Publication date
EP0856836A2 (en) 1998-08-05
CA2227925C (en) 2001-11-27
JPH10214095A (en) 1998-08-11
EP0856836B1 (en) 2003-05-07
JP2991144B2 (en) 1999-12-20
EP0856836A3 (en) 1999-02-03
DE69814195T2 (en) 2004-01-08
DE69814195D1 (en) 2003-06-12
US6094632A (en) 2000-07-25

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