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Assigning meanings to utterances in a speech recognition system

  • US 6,311,157 B1
  • Filed: 12/31/1992
  • Issued: 10/30/2001
  • Est. Priority Date: 12/31/1992
  • Status: Expired due to Term
First Claim
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1. A method of associating meanings to utterances in a speech recognition system comprising the following steps:

  • a. providing a plurality of speech rules, each speech rule comprising a language model and an expression defining a meaning of said speech rule;

    b. generating a current language model from each said language model of said plurality of speech rules and providing said current language model to a recognizer;

    c. said recognizer recognizing words in detected speech by referencing said current language model to generate a recognized sequence of words;

    d. receiving said recognized sequence of words from said recognizer, and determining that said recognized sequence of words matches a phrase of a first speech rule of said plurality of speech rules and that said recognized sequence of words comprises at least one word that matches a phrase of a second speech rule of said plurality of speech rules; and

    e. evaluating a first expression of the first speech rule and a second expression of the second speech rule, wherein the evaluation of the first expression depends on the evaluation of the second expression, and performing actions in said speech recognition system only after evaluating the first and second expressions.

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