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Partitioning speech rules by context for speech recognition

  • US 5,390,279 A
  • Filed: 12/31/1992
  • Issued: 02/14/1995
  • Est. Priority Date: 12/31/1992
  • Status: Expired due to Term
First Claim
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1. A method of continuous speech recognition including dynamic generation of a current language model and interpretation in a speech recognition system according to a current context comprising the following steps:

  • a. associating with each of a plurality of speech rules, a context wherein each of said speech rules will be active;

    b. during initialization of said speech recognition system, determining common contexts for said plurality of speech rules, and partitioning said plurality of speech rules into a partition of speech rule sets according to said common contexts wherein each of said plurality of speech rules resides in only one of said speech rule sets of said partition;

    c. upon the detection of speech, determining said current context of said speech recognition system;

    d. determining all speech rule sets which each have a context matching said current context, and storing said matched speech rule sets as a context matched set of speech rules;

    e. dynamically generating a current language model from said context matched set of speech rules in said partition for use by a speech recognizer;

    f. said speech recognizer using said current language model to recognize words contained in said speech; and

    g. an interpreter using said context matched set of speech to interpret and perform actions according to said words recognized by said speech recognizer.

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