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End-of-utterance determination for voice processing

  • US 6,496,799 B1
  • Filed: 06/13/2000
  • Issued: 12/17/2002
  • Est. Priority Date: 12/22/1999
  • Status: Expired due to Term
First Claim
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1. A method of operating a voice processing system comprising the steps of:

  • receiving spoken input from a user;

    performing speech recognition to convert said spoken input into text equivalent;

    analysing at least one semantic or prosodic property of said spoken input by looking for task words in the text equivalent of the spoken input; and

    responsive to said analysis, determining that the user input has effectively completed if there has not been a task word for more than a predetermined period of time.

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