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Comparing events in word spotting

  • US 8,170,873 B1
  • Filed: 07/22/2004
  • Issued: 05/01/2012
  • Est. Priority Date: 07/23/2003
  • Status: Active Grant
First Claim
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1. A method comprising:

  • providing a set of subword unit models;

    for each of two acoustic events, a first acoustic event occurring in a first acoustic signal and a second acoustic event occurring in a second acoustic signal, and for each of a series of times in each of the events, computing a probability associated with each model of the set of subword unit models; and

    computing a quantity characterizing a comparison of the two acoustic events using the computed probabilities.

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