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Title: US6161090: Apparatus and methods for speaker verification/identification/classification employing non-acoustic and/or acoustic models and databases
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Country: US United States of America

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15 pages

 
Inventor: Kanevsky, Dimitri; Ossining, NY
Maes, Stephane Herman; Danbury, CT

Assignee: International Business Machines Corporation, Armonk, NY
other patents from INTERNATIONAL BUSINESS MACHINES CORPORATION (280070) (approx. 44,393)
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Published / Filed: 2000-12-12 / 1999-03-24

Application Number: US1999000275592

IPC Code: Advanced: G10L 17/00;
IPC-7: G10L 15/00; G10L 17/00;

ECLA Code: G10L17/22; G10L17/24; S10L17/24;

U.S. Class: Current: 704/246; 704/247; 704/273; 704/275; 704/E17.015; 704/E17.016;
Original: 704/246; 704/247; 704/273; 704/275;

Field of Search: 704/270,275,246,247 379/088

Priority Number:
1999-03-24  US1999000275592
1997-06-11  US1997000871784

Abstract:     A method of controlling access of a speaker to one of a service and a facility, the method comprising the steps of: (a) receiving first spoken utterances of the speaker, the first spoken utterances containing indicia of the speaker; (b) decoding the first spoken utterances; (c) accessing a database corresponding to the decoded first spoken utterances, the database containing information attributable to a speaker candidate having indicia substantially similar to the speaker; (d) querying the speaker with at least one question based on the information contained in the accessed database; (e) receiving second spoken utterances of the speaker, the second spoken utterances being representative of at least one answer to the at least one question; (f) decoding the second spoken utterances; (g) verifying the accuracy of the decoded answer against the information contained in the accessed database serving as the basis for the question; (h) taking a voice sample from the utterances of the speaker and processing the voice sample against an acoustic model attributable to the speaker candidate; (i) generating a score corresponding to the accuracy of the decoded answer and the closeness of the match between the voice sample and the model; and (j) comparing the score to a predetermined threshold value and if the score is one of substantially equivalent to and above the threshold value, then permitting speaker access to one of the service and the facility.

Attorney, Agent or Firm: F. Chau & Associates, LLP ;

Primary / Asst. Examiners: Hudspeth, David R.; Wieland, Susan

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Related Applications: Go to Result Set: 1 patent(s) that list this one as related
Application Number Filed Patent Pub. Date  Title
US1997000871784 1997-06-11    1999-04-27  Apparatus and methods for speaker verification/identification/classification employing non-acoustic and/or acoustic models and databases


       
Parent Case:     This appln is a cont of Ser. No. 08/871,784 filed Jun. 11, 1997, U.S. Pat. No. 5,897,616.

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First Claim:
Show all 39 claims
What is claimed is:     1. A method of controlling access of a speaker to one of a service and a facility, the method comprising the steps of:
  • (a) receiving first spoken utterances of the speaker, the first spoken utterances containing indicia of the speaker;
  • (b) decoding the first spoken utterances;
  • (c) accessing a database corresponding to the decoded first spoken utterances, the database containing information attributable to a speaker candidate having indicia substantially similar to the speaker;
  • (d) querying the speaker with at least one question based on the information contained in the accessed database;
  • (e) receiving second spoken utterances of the speaker, the second spoken utterances being representative of at least one answer to the at least one question;
  • (f) decoding the second spoken utterances;
  • (g) verifying the accuracy of the decoded answer against the information contained in the accessed database serving as the basis for the question;
  • (h) taking a voice sample from the utterances of the speaker and processing the voice sample against an acoustic model attributable to the speaker candidate;
  • (i) generating a score corresponding to the accuracy of the decoded answer and the closeness of the match between the voice sample and the model; and
  • (j) comparing the score to a predetermined threshold value and if the score is one of substantially equivalent to and above the threshold value, then permitting speaker access to one of the service and the facility.


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Forward References: Show 70 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (70)   |   Backward references (1)   |   Citation Link

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Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 15pp US5897616  1999-04 Kanevsky et al.  International Business Machines Corporation Apparatus and methods for speaker verification/identification/classification employing non-acoustic and/or acoustic models and databases
       
Foreign References: None

Other Abstract Info: DERABS G2001-210040

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