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Determining voice recognition accuracy in a voice recognition system

  • US 7,668,710 B2
  • Filed: 03/29/2005
  • Issued: 02/23/2010
  • Est. Priority Date: 12/14/2001
  • Status: Expired due to Term
First Claim
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1. A method for determining voice recognition accuracy of a voice recognition system that recognizes a voice command in a user utterance, comprising:

  • analyzing voice recognition information produced by a voice recognition system, including comparing a manually transcribed version of the user utterance to the recognized voice command;

    detecting, in a computing device, at least one recognition error based on the analysis, comprising detecting at least one of;

    an in-grammar false accept (IGFA) type error,an in-grammar false reject (IGFR) type error,an out-of-grammar false accept (OGFA) type error, oran out-of-grammar correct reject (OGCR) type error;

    determining at least one source of error for the detected recognition error; and

    implementing at least one solution to eliminate the source of error.

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