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Title: US6067514: Method for automatically punctuating a speech utterance in a continuous speech recognition system
[ Derwent Title ]


Country: US United States of America

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14 pages

 
Inventor: Chen, Chengjun Julian; White Plains, NY

Assignee: International Business Machines Corporation, Armonk, NY
other patents from INTERNATIONAL BUSINESS MACHINES CORPORATION (280070) (approx. 44,393)
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Published / Filed: 2000-05-23 / 1998-06-23

Application Number: US1998000102920

IPC Code: Advanced: G06F 17/27; G10L 15/18;
Core: G10L 15/00; more...
IPC-7: G10L 15/26;

ECLA Code: G06F17/27A4; G10L15/18;

U.S. Class: Current: 704/235; 704/257; 704/E15.018;
Original: 704/235; 704/257;

Field of Search: 704/231,251,240,246,255,256,257,270,235,200,239,277

Priority Number:
1998-06-23  US1998000102920

Abstract:     In a speech recognition system which recognizes a spoken utterance consisting of a sequence of spoken words and, in response, outputs a sequence of decoded words, a method for automatically punctuating the sequence of decoded words is provided. In a vocabulary of items including words, silences, and punctuation marks, assigning at least one baseform to each punctuation mark corresponding to one of silence and a non-word noise. Additionally, the method includes the step of automatically inserting a subject punctuation mark at a given point in the sequence of decoded words when an acoustic score and a language model score associated with the subject punctuation mark produce a higher combined likelihood than the acoustic score and the language model score associated with any other item in the vocabulary for the given point in the sequence of decoded words.

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

Primary / Asst. Examiners: Dorvil, Richemond;

Maintenance Status: E2 Expired  Check current status

INPADOC Legal Status: Show legal status actions

Family: None

First Claim:
Show all 29 claims
What is claimed is:     1. In a speech recognition system that outputs a sequence of decoded words, a method for automatically punctuating the sequence of decoded words comprises the steps of:
  • in a vocabulary that defines items in a language model, the items including words and punctuation marks, assigning at least one baseform to each of the punctuation marks, the at least one baseform corresponding to at least one of silence and a non-word noise;
    • in the language model, defining conditional probabilities for each of the punctuation marks based upon at least one of at least one preceding word and at least one succeeding word; and
  • automatically inserting a subject punctuation mark at a given point in the sequence of decoded words when an acoustic score and a language model score associated with the subject punctuation mark produce a higher combined likelihood than the acoustic score and the language model score associated with any other item in the vocabulary for the given point in the sequence of decoded words.


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Forward References: Show 22 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (22)   |   Backward references (11)   |   Citation Link

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Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 54pp US3676856  1972-07 Manly   AUTOMATIC EDITING SYSTEM AND METHOD
Get PDF - 22pp US4914704  1990-04 Cole et al.  International Business Machines Corporation Text editor for speech input
Get PDF - 48pp US5027406  1991-06 Roberts et al.  Dragon Systems, Inc. Method for interactive speech recognition and training
Get PDF - 79pp US5070478  1991-12 Abbott  Xerox Corporation Modifying text data to change features in a region of text
Get PDF - 13pp US5075896  1991-12 Wilcox et al.  Xerox Corporation Character and phoneme recognition based on probability clustering
Get PDF - 10pp US5101375  1992-03 Goldhor  Kurzweil Applied Intelligence, Inc. Method and apparatus for providing binding and capitalization in structured report generation
Get PDF - 9pp US5293452  1994-03 Picone et al.  Texas Instruments Incorporated Voice log-in using spoken name input
Get PDF - 18pp US5305420  1994-04 Nakamura et al.  Nippon Hoso Kyokai Method and apparatus for hearing assistance with speech speed control function
Get PDF - 14pp US5682501  1997-10 Sharman  International Business Machines Corporation Speech synthesis system
Get PDF - 16pp US5933525  1999-08 Makhoul et al.  BBN Corporation Language-independent and segmentation-free optical character recognition system and method
Get PDF - 12pp US5949961  1999-09 Sharman  International Business Machines Corporation Word syllabification in speech synthesis system
       
Foreign References:
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Publication Date IPC Code Assignee   Title
Get PDF - 15pp EP0649144 1995-04  G11B 27/28 IBM Automatic indexing of audio using speech recognition 


Other References:
  • ICASSP-89. O'Shaughnessy, "Using Syntactic Information to Improve Large-Vocabulary Word Recognition". pp. 715-718. May 1989.


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