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Grammar Generation for Password Recognition

  • US 20080077405A1
  • Filed: 09/21/2007
  • Published: 03/27/2008
  • Est. Priority Date: 09/21/2006
  • Status: Active Grant
First Claim
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1. A method for creating a password grammar for speech recognition comprising:

  • normalizing a password into a list of strings of a plurality of character types, the character types including letters and numerals;

    for each string of letters, determining one or more corresponding letter permutations representing pronounceable combinations of the string; and

    for each letter permutation, creating a corresponding recognition grammar entry for a speech recognition grammar.

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