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Speech recognition of customer identifiers using adjusted probabilities based on customer attribute parameters

  • US 6,058,364 A
  • Filed: 11/20/1997
  • Issued: 05/02/2000
  • Est. Priority Date: 11/20/1997
  • Status: Expired due to Term
First Claim
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1. A method of recognizing a customer identifier comprising the steps of:

  • (a) receiving a speech signal from a customer;

    (b) generating a first plurality of customer identifier choices from the speech signal and a probability associated with each of the first plurality of choices;

    (c) querying a database using said first plurality of choices, the database having stored thereon a plurality of customer attribute parameters indexed to a second plurality of customer identifier choices;

    (d) retrieving one or more customer attribute parameters;

    (e) adjusting the probabilities based on said retrieved customer attribute parameters; and

    (f) selecting the customer identifier from the first plurality of choices based on the adjusted probabilities.

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