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Adjusting language models

  • US 8,352,245 B1
  • Filed: 03/31/2011
  • Issued: 01/08/2013
  • Est. Priority Date: 12/30/2010
  • Status: Active Grant
First Claim
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1. A computer-implemented method, comprising:

  • accessing audio data;

    accessing information that indicates a first context, the first context comprising a first physical environment or physical state of a device that records the audio data;

    accessing at least one term;

    accessing information that indicates a second context, the second context comprising a second physical environment or physical state associated with the accessed term;

    determining a similarity score that indicates a degree of similarity between the first physical environment or physical state and the second physical environment or physical state;

    adjusting a language model based on the accessed term and the determined similarity score to generate an adjusted language model, wherein the adjusted language model includes the accessed term and a weighting value assigned to the accessed term based on the similarity score; and

    performing speech recognition on the audio data using the adjusted language model to select one or more candidate transcriptions for a portion of the audio data.

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