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Efficient Empirical Determination, Computation, and Use of Acoustic Confusability Measures

  • US 20080126089A1
  • Filed: 10/31/2007
  • Published: 05/29/2008
  • Est. Priority Date: 10/31/2002
  • Status: Active Grant
First Claim
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1. A computer implemented method for efficient empirical determination, computation, and use of an acoustic confusability measure, comprising the steps of:

  • empirically deriving an acoustic confusability measure by determining acoustic confusability between at least any two textual phrases in a given language;

    wherein said measure of acoustic confusability is empirically derived from examples of application of utterances to a specific speech recognition application;

    iterating from an initial estimate of said acoustic confusability measure to improve said measure; and

    using said acoustic confusability measure to make principled choices about which specific phrases to make recognizable by said speech recognition application.

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