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Title: US6345249: Automatic analysis of a speech dictated document
[ Derwent Title ]

Country: US United States of America

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12 pages

Inventor: Ortega, Kerry A.; Raleigh, NC
Coe, Kris A.; Lighthouse Point, FL
Friedland, Steven J.; Boca Raton, FL
Lewis, Burn L.; Ossining, NY
Smith, Maria E.; Plantation, FL

Assignee: International Business Machines Corp., Armonk, NY
other patents from INTERNATIONAL BUSINESS MACHINES CORPORATION (280070) (approx. 44,393)
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Published / Filed: 2002-02-05 / 1999-07-07

Application Number: US1999000348844

IPC Code: Advanced: G10L 15/18;
IPC-7: G01L 15/00;

ECLA Code: G10L15/197;

U.S. Class: Current: 704/244; 704/255; 704/E15.023; 715/209;
Original: 704/244; 704/255; 707/532;

Field of Search: 704/243,244,251,252,255,257,270,275 707/530,531,532

Priority Number:
1999-07-07  US1999000348844

Abstract:     A method for automatically analyzing a document in a speech recognition system having a vocabulary and language model can include the steps of: determining whether the document has undergone previous analysis; undoing the previous analysis; and, analyzing the document. More specifically, the determining step comprises the steps of: comparing trigrams in the document with trigrams in the language model; and, setting a reference point containing document data for undoing a previous analysis in the undoing step if the compared language model contains all the document trigrams. Moreover, the undoing step comprises the step of removing from the language model each trigram contained in the document data in the reference point. Finally, the analyzing step comprises the steps of: searching the document for new words not contained in the vocabulary; adding said new words to said vocabulary; updating the language model with trigrams contained in the document; and, setting a reference point containing document data for undoing the updating of the language model in the updating step. In addition, the adding step can comprise identifying among the new words found in the searching step, correctly-spelled words not requiring a speaker-supplied pronunciation; and adding the correctly-spelled words to the vocabulary. The inventive method can further comprise the steps of: recognizing a request from a user of the speech dictation system to discontinue user editing; finding in the document new words not contained in the vocabulary in response to the request; enhancing the vocabulary with the new words; undoing the analysis created during the analyzing step; and, further analyzing the document.

Attorney, Agent or Firm: Senterfitt, Akerman ;

Primary / Asst. Examiners: Dorvil, Richemond; Lerner, Martin

INPADOC Legal Status: Show legal status actions

Family: None

First Claim:
Show all 30 claims
What is claimed is:     1. A method for automatically analyzing a document for vocabulary expansion in a speech dictation system having a vocabulary and language model comprising the steps of:
  • determining whether said document has undergone previous grammar analysis;
  • undoing said previous grammar analysis; and,
  • performing a vocabulary expansion analysis of said document, said vocabulary expansion analysis comprising a new grammar analysis of said document.

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Forward References: Show 5 U.S. patent(s) that reference this one

U.S. References: Go to Result Set: All U.S. references   |  Forward references (5)   |   Backward references (5)   |   Citation Link

Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 20pp US5231670  1993-07 Goldhor et al.  Kurzweil Applied Intelligence, Inc. Voice controlled system and method for generating text from a voice controlled input
Get PDF - 35pp US5799273  1998-08 Mitchell et al.  AllVoice Computing Plc Automated proofreading using interface linking recognized words to their audio data while text is being changed
Get PDF - 22pp US6125347  2000-09 Cote et al.  L&H Applications USA, Inc. System for controlling multiple user application programs by spoken input
Get PDF - 5pp US6157910  2000-12 Ortega  International Business Machines Corporation Deferred correction file transfer for updating a speech file by creating a file log of corrections
Get PDF - 28pp US6167377  2000-12 Gillick et al.  Dragon Systems, Inc. Speech recognition language models
Foreign References: None

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