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Automatic dynamic speech recognition vocabulary based on external sources of information

  • US 6,937,986 B2
  • Filed: 12/28/2000
  • Issued: 08/30/2005
  • Est. Priority Date: 12/28/2000
  • Status: Expired due to Term
First Claim
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1. A method of providing an interactive voice response system, comprising:

  • outputting an audio signal containing a list of available news report providers;

    receiving selection of at least one news report provider by a user;

    automatically obtaining at least one set of topics for questions spoken by the user from news reports by the at least one news report provider;

    automatically updating a grammar using the at least one set of topics; and

    recognizing at least one word spoken by the user based on the grammar.

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