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Leveraging interaction context to improve recognition confidence scores

  • US 9,542,931 B2
  • Filed: 10/23/2014
  • Issued: 01/10/2017
  • Est. Priority Date: 10/27/2010
  • Status: Active Grant
First Claim
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1. A computer-implemented method for improving speech recognition on a computing device, the method comprising:

  • accessing, on the computing device, a log file comprising a plurality of speech dialogues, wherein each of the plurality of speech dialogues is associated with an interaction context and comprises one or more speech utterances;

    automatically extracting from the log file;

    one or more features associated with the one or more speech utterances;

    a first confidence score associated with the one or more features associated with the one or more speech utterances;

    one or more dialog-level features from the speech dialog, each dialog-level feature corresponding to a specific characteristic of the speech dialog; and

    a value associated with each of the one or more dialog-level features from the speech dialog; and

    using the values associated with the one or more dialog-level features to adjust the first confidence score associated with one or more of the speech utterances.

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