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METHOD, SYSTEM AND COMPUTER PROGRAM FOR ENHANCED SPEECH RECOGNITION OF DIGITS INPUT STRINGS

  • US 20090125306A1
  • Filed: 09/19/2008
  • Published: 05/14/2009
  • Est. Priority Date: 09/19/2007
  • Status: Active Grant
First Claim
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1. A method for speech recognition comprising:

  • for an expected input string divided into a plurality of expected string segments, receiving a speech segment for each expected string segment;

    performing speech recognition separately on each said speech segment, wherein said performing speech recognition comprisesgenerating, for each said speech segment, a segment n-best list comprising n highest confidence score results of said speech recognition, where n is an integer;

    generating a global n-best list corresponding to said expected input string utilizing said segment n-best lists; and

    determining a final global speech recognition result corresponding to said expected input string, wherein said determining said final global speech recognition result comprisespruning results of said global n-best list utilizing a pruning criterion.

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