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Key-subword spotting for speech recognition and understanding

  • US 20020013706A1
  • Filed: 06/06/2001
  • Published: 01/31/2002
  • Est. Priority Date: 06/07/2000
  • Status: Abandoned Application
First Claim
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1. Method to recognize speech phrases, characterized by the following steps:

  • performing key-subphrase spotting to determine a category of a received speech phrase; and

    in case a category is determined performing a second stage recognition on the received speech phrase by using a restricted vocabulary corresponding to the determined category to generate a second recognition result.

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