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Speech to text system using controlled vocabulary indices

  • US 20040019482A1
  • Filed: 04/17/2003
  • Published: 01/29/2004
  • Est. Priority Date: 04/19/2002
  • Status: Active Grant
First Claim
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1. An Automated Speech Recognition system for taking dictation wherein the dictation has one or more recognizable contexts, comprising:

  • a) means for capturing a first voice input of a dictator at a first time;

    b) means for changing the first voice input into a first sound file;

    c) means for comparing the first sound file to a first vocabulary list to make text;

    d) means for analyzing the text to predict a context of the text;

    e) means for selecting a second vocabulary list of refined word choice from the first vocabulary list based on the context of the text;

    f) means for capturing a second voice input of a dictator at a second time;

    g) means for changing the second voice input into a second sound file; and

    h) means for comparing the second sound file to the second vocabulary list to make text.

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