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Meaning token dictionary for automatic speech recognition

  • US 6,963,832 B2
  • Filed: 10/09/2001
  • Issued: 11/08/2005
  • Est. Priority Date: 10/09/2001
  • Status: Expired due to Term
First Claim
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1. An automatic speech recognition system, comprising:

  • a speech recognition dictionary comprising a plurality of meaning tokens, wherein a single meaning token has a same meaning associated with plural different spoken words that have different pronunciations but similar spoken meanings; and

    a speech recognizer configured to convert spoken input into a sequence of meaning tokens contained in the speech recognition dictionary and corresponding to a sequence of vocabulary words most likely to have been spoken by a user, wherein different spoken inputs having different spoken words but similar meanings are converted into a same meaning token or same sequence of meaning tokens, and wherein at least one meaning token encodes one or more labels identifying one or more respective application-specific categories for use by an application program.

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