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Custom language models for audio content

  • US 8,447,608 B1
  • Filed: 12/10/2008
  • Issued: 05/21/2013
  • Est. Priority Date: 12/10/2008
  • Status: Active Grant
First Claim
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1. A computer-implemented method comprising:

  • receiving a collection of source texts;

    identifying a type from a collection of types for each source text, each source text being associated with a particular type;

    generating, by data processing apparatus, a type-specific language model for each identified type using the source texts associated with the respective type;

    storing the language models in a computer-readable medium;

    receiving an audio source file to be processed, the audio source file having a particular type;

    selecting a particular weighted combination of the language models, wherein weighting the particular weighted combination of the language models depends on the type of the audio source file to be processed; and

    generating, by data processing apparatus, a text file from the audio source file based on the selected weighted combination of language models.

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