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Orthogonal classification of words in multichannel speech recognizers

  • US 20090132237A1
  • Filed: 11/19/2007
  • Published: 05/21/2009
  • Est. Priority Date: 11/19/2007
  • Status: Abandoned Application
First Claim
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1. A computerized method for distribution among a plurality of dictionaries of a target vocabulary including a plurality of words for use in a speech recognition application installed in a computer system, wherein each word of said target vocabulary is found in only one of the dictionaries, wherein the vocabulary and the dictionaries are stored in memory operatively attached to a computer system, the method comprising the steps of:

  • (a) first categorizing the words based on phonetic length, thereby distributing the words into a plurality of first groups each of equal phonetic length(b) second categorizing said first groups based on combinations of vowel sounds, thereby placing the words of said first groups into a plurality of second groups each of identical vowel sounds;

    (c) third categorizing the words of said second groups based on the consonants of the words of said second groups and placement of said consonants relative to said vowel sounds, thereby distributing the words into a plurality of third groups,(c) comparing pairwise phonetic distance between the words within each of said third groups thereby placing the words of said third groups into fourth groups of minimal phonetic distance; and

    (d) distributing the words of said fourth groups into the multiple dictionaries.

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