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Title: US5937383: Apparatus and methods for speech recognition including individual or speaker class dependent decoding history caches for fast word acceptance or rejection
[ Derwent Title ]


Country: US United States of America

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6 pages

 
Inventor: Ittycheriah, Abraham Poovakunnel; Danbury, CT
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: 1999-08-10 / 1997-06-04

Application Number: US1997000869025

IPC Code: Advanced: G10L 15/08; G10L 21/02; G10L 15/00;
IPC-7: G10L 9/06;

ECLA Code: G10L21/0272; G10L15/08; S10L15/08W; S10L25/12;

U.S. Class: Current: 704/255; 704/242; 704/E15.014; 704/E21.012;
Original: 704/255; 704/242;

Field of Search: 704/255,275,270,239,240,241,242,236

Priority Number:
1997-06-04  US1997000869025
1996-02-02  US1996000011058P

Abstract:     A method and an apparatus are provided for performing speech recognition on speech segments frequently input by a user. The method and the apparatus include use of keyword scoring in connection with a speech recognition vocabulary, a temporary score, and a predetermined margin to determine an appropriate output as being representative of the input speech segment.

Primary / Asst. Examiners: Dorvil, Richemond;

Maintenance Status: E2 Expired  Check current status

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Parent Case:     This application is based on provisional patent application Ser. No. 60/011,058, filed Feb. 2, 1996.

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First Claim:
Show all 25 claims
What is claimed is:     1. A method for performing speech recognition on speech segments frequently input by a user, the method comprising the steps of:
  • (a) inputting at least one keyword spoken by the user;
  • (b) decoding the at least one keyword by scoring the at least one keyword against a speech recognition vocabulary to generate a decoded keyword and at least one score for the decoded keyword;
  • (c) storing the decoded keyword and the at least one score;
  • (d) inputting a speech segment spoken by the user;
  • (e) comparing the input speech segment to the decoded keyword in order to generate a temporary score; and
  • (f) comparing the temporary score against the at least one stored score and if the temporary score is one of within a predetermined margin of, equivalent to, and larger than the at least one stored score, then the decoded keyword is output as being representative of the input speech segment, else the input speech segment is scored against the speech recognition vocabulary to generate a second decoded keyword and at least one score for the second decoded keyword.


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Forward References: Show 21 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (21)   |   Backward references (9)   |   Citation Link

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Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 50pp US4783803  1988-11 Baker et al.  Dragon Systems, Inc. Speech recognition apparatus and method
Get PDF - 39pp US4866778  1989-09 Baker  Dragon Systems, Inc. Interactive speech recognition apparatus
Get PDF - 9pp US4972485  1990-11 Dautrich et al.  AT&T Bell Laboratories Speaker-trained speech recognizer having the capability of detecting confusingly similar vocabulary words
Get PDF - 17pp US5218668  1993-06 Higgins et al.  ITT Corporation Keyword recognition system and method using template concantenation model
Get PDF - 25pp US5384892  1995-01 Strong  Apple Computer, Inc. Dynamic language model for speech recognition
Get PDF - 7pp US5677991  1997-10 Hsu et al.  Kurzweil Applied Intelligence, Inc. Speech recognition system using arbitration between continuous speech and isolated word modules
Get PDF - 14pp US5754978  1998-05 Perez-Mendez et al.  Speech Systems of Colorado, Inc. Speech recognition system
Get PDF - 8pp US5758319  1998-05 Knittle   Method and system for limiting the number of words searched by a voice recognition system
Get PDF - 10pp US5794196  1998-08 Yegnanarayanan et al.  Kurzweil Applied Intelligence, Inc. Speech recognition system distinguishing dictation from commands by arbitration between continuous speech and isolated word modules
       
Foreign References: None

Other Abstract Info: DERABS G1999-286725 DERABS G1999-492854 DERABS G1999-492636 DERABS G1999-492854

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