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Interactive command recognition enhancement system and method

  • US 6,792,408 B2
  • Filed: 06/12/2001
  • Issued: 09/14/2004
  • Est. Priority Date: 06/12/2001
  • Status: Expired due to Term
First Claim
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1. A method of increasing the likelihood that an input string is correctly identified by a system, the method comprising:

  • determining a probability that each word in the input string was correctly identified by the system;

    determining a probability that the input string comprises a recognized command;

    determining whether the probability that the words were correctly identified by the system is greater than the probability that the input string comprises a recognized command;

    responsive to a determination that the probability that the words were correctly identified by the system is greater than the probability that the input string comprises a recognized command, providing feedback to the user intended to elicit a different input string; and

    responsive to a determination that the probability that the words were correctly identified by the system is not greater than the probability that the input string comprises a recognized command, providing feedback to the user intended to elicit the same input string spoken more clearly.

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