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Method and system for voice recognition menu navigation

  • US 7,502,742 B2
  • Filed: 05/22/2006
  • Issued: 03/10/2009
  • Est. Priority Date: 04/08/2002
  • Status: Expired due to Term
First Claim
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1. A method for facilitating navigation of a voice recognition menu, the method comprising:

  • in a voice recognition service having plural nodes, receiving from a user a user utterance associated with a particular one of the plural nodes;

    electronically attempting to recognize the user utterance;

    electronically determining a statistical likelihood that the attempt to recognize the user utterance is correct; and

    evaluating the determined statistical likelihood with respect to one or more predetermined confidence levels;

    if the user utterance is classified into a particular confidence level, requesting the user to restate the user utterance and attempting to recognize the restated user utterance;

    counting the number of attempts to recognize the user utterance; and

    automatically directing the user to a DTMF menu after a predetermined number of attempts;

    wherein evaluating the determined statistical likelihood with respect to one or more predetermined confidence levels comprises electronically classifying the user utterance into one of a plurality of confidence levels based at least on the determined statistical likelihood and a set of quantitative confidence level ranges corresponding with the particular node, wherein different ones of the plural nodes have different confidence level ranges.

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