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CORRECTING SUBSTITUTION ERRORS DURING AUTOMATIC SPEECH RECOGNITION

  • US 20080126100A1
  • Filed: 11/28/2006
  • Published: 05/29/2008
  • Est. Priority Date: 11/28/2006
  • Status: Active Grant
First Claim
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1. A speech recognition method comprising the steps of:

  • (a) receiving input speech containing vocabulary;

    (b) processing the input speech with a grammar to obtain N-best hypotheses and associated parameter values;

    (c) determining whether a first-best hypothesis of the N-best hypotheses is confusable with any vocabulary within the grammar; and

    (d) accepting the first-best hypothesis as recognized speech corresponding to the received input speech, if the first-best hypothesis is not determined to be confusable with any vocabulary within the grammar.

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