×

Method and apparatus for performing relational speech recognition

  • US 6,996,519 B2
  • Filed: 09/28/2001
  • Issued: 02/07/2006
  • Est. Priority Date: 09/28/2001
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for recognizing an utterance that pertains to a sparse domain, the sparse domain having a linguistic structure and a plurality of components, objects or concepts, the method comprising the steps of:

  • acquiring a speech signal that represents an utterance;

    performing a first recognition pass by applying a first language model to the speech signal;

    selecting or generating a second language model based at least in part on results from the first recognition pass, on information regarding a linguistic structure of a domain within the speech signal, and on information regarding relationships among the domain components, objects or concepts within the speech signal; and

    performing a second recognition pass by applying the second language model to at least a portion of the speech signal to recognize the utterance containing the speech signal.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×