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Automatic Grammar Augmentation For Robust Voice Command Recognition

  • US 20200135179A1
  • Filed: 10/28/2019
  • Published: 04/30/2020
  • Est. Priority Date: 10/27/2018
  • Status: Active Grant
First Claim
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1. A method of improving voice command recognition, comprising:

  • applying an acoustic model to a general speech dataset to generate a statistical pronunciation dictionary;

    generating an augmented grammar candidate set based on the statistical pronunciation dictionary and an original grammar set, wherein;

    the original grammar set comprises voice commands to be recognized; and

    each element of the augmented grammar candidate set comprises a variation of one of the voice commands to be recognized; and

    generating an augmented grammar set by adding one or more elements of the augmented grammar candidate set to the original grammar set.

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