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Title: US6334102: Method of adding vocabulary to a speech recognition system
[ Derwent Title ]


Country: US United States of America

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14 pages

 
Inventor: Lewis, James R.; Delray Beach, FL
Ortega, Kerry A.; Raleigh, NC

Assignee: International Business Machines Corp., Armonk, NY
other patents from INTERNATIONAL BUSINESS MACHINES CORPORATION (280070) (approx. 44,393)
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Published / Filed: 2001-12-25 / 1999-09-13

Application Number: US1999000394730

IPC Code: Advanced: G10L 15/18;
IPC-7: G10L 15/18;

ECLA Code: G10L15/197;

U.S. Class: Current: 704/255; 704/257; 704/E15.023;
Original: 704/255; 704/257;

Field of Search: 704/243,251,256,255,257,252,247,244,270,272,277,278

Priority Number:
1999-09-13  US1999000394730

Abstract:     A method and a system for use in a computer speech recognition system for adding new vocabulary by using language model statistics corresponding to an existing vocabulary word. The method involves a series of steps including receiving a user input identifying a first word for which no language model statistics exist in the speech recognition system. The first word is for inclusion within the existing vocabulary of the speech recognition system. In response to a second user input identifying a second word for which language model statistics exist in the speech recognition system, recalling from a computer memory the language model statistics for the second word. The speech recognition system then automatically creates language model statistics for the first word by duplicating the language model statistics of the second word and replacing each occurrence of the second word in the duplicated language model statistics with the first word.

Attorney, Agent or Firm: Akerman Senterfitt ;

Primary / Asst. Examiners: Dorvil, Richemond;

INPADOC Legal Status: Show legal status actions

Family: None

First Claim:
Show all 21 claims
What is claimed is:     1. In a computer speech recognition system, a method for adding new vocabulary by using language model statistics corresponding to an existing vocabulary word, comprising the steps of:
  • receiving a first user input identifying a first word for which no language model statistics exist in said speech recognition system, said first word for inclusion within the existing vocabulary of said speech recognition system;
  • in response to a second user input identifying a second word for which language model statistics exist in said speech recognition system, recalling from a computer memory said language model statistics for said second word; and,
  • automatically creating language model statistics for said first word by duplicating said language model statistics of said second word and replacing each occurrence of said second word in said duplicated language model statistics with said first word.


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Forward References: Show 13 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (13)   |   Backward references (10)   |   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 - 48pp US5027406  1991-06 Roberts et al.  Dragon Systems, Inc. Method for interactive speech recognition and training
Get PDF - 13pp US5465317  1995-11 Epstein  International Business Machines Corporation Speech recognition system with improved rejection of words and sounds not in the system vocabulary
Get PDF - 29pp US5613036  1997-03 Strong  Apple Computer, Inc. Dynamic categories for a speech recognition system
Get PDF - 22pp US5680511  1997-10 Baker et al.  Dragon Systems, Inc. Systems and methods for word recognition
Get PDF - 29pp US5787395  1998-07 Minamino  Sony Corporation Word and pattern recognition through overlapping hierarchical tree defined by relational features
Get PDF - 13pp US5852801  1998-12 Hon et al.  Apple Computer, Inc. Method and apparatus for automatically invoking a new word module for unrecognized user input
Get PDF - 128pp US5920837  1999-07 Gould et al.  Dragon Systems, Inc. Word recognition system which stores two models for some words and allows selective deletion of one such model
Get PDF - 12pp US5970460  1999-10 Bunce et al.  Lernout & Hauspie Speech Products N.V. Speech recognition and editing system
Get PDF - 27pp US6195634  2001-02 Dudemaine et al.  Nortel Networks Corporation Selection of decoys for non-vocabulary utterances rejection
       
Foreign References: None

Other References:
  • IBM Tchnical Disclosure Bulletin. Method of adding new word models to a pre-existing set. pp. 434-435. May 1992.


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