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KNOWLEDGE-BASED STRATEGIES APPLIED TO N-BEST LISTS IN AUTOMATIC SPEECH RECOGNITION SYSTEMS

  • US 20030154075A1
  • Filed: 12/29/1998
  • Published: 08/14/2003
  • Est. Priority Date: 12/29/1998
  • Status: Active Grant
First Claim
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1. A method of recognizing a spoken digit string, comprising:

  • (a) receiving the spoken digit string;

    (b) analyzing the spoken digit string to generate a list of hypothesized digit strings arranged in ranked order based on a likelihood of matching the spoken digit string;

    (c) using a given knowledge based recognition strategy, determining whether individual hypothesized strings of said list satisfy a given constraint beginning with the string having the greatest likelihood of matching said spoken string; and

    (d) selecting the first string in the list satisfying the constraint as the recognized string.

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