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Speech recognition

  • US 20040117182A1
  • Filed: 09/25/2003
  • Published: 06/17/2004
  • Est. Priority Date: 04/19/2001
  • Status: Active Grant
First Claim
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1. A method of speech recognition comprising the steps of:

  • a) comparing a first audio signal comprising a first unknown utterance with a first set of audio representations to generate a first measure of similarity for each audio representation of said set, each audio representation being associated with a corresponding first item of data, a first item of data being associated with an associated item of data, the associated item of data having an audio representation which is not one of said set;

    b) comparing a second audio signal comprising a second unknown utterance with a second set of audio representations to generate a second measure of similarity for each audio representation of said second set, each audio representation of said second set being associated with a corresponding second item of data c) selecting from data defining associations between items of data, items of data which are defined as being associated with one another according to the first item of data for which the first generated measure indicates the greatest similarity;

    an item of data associated with the first item of data; and

    the second item of data for which the second measure indicates the greatest similarity.

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