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System and method of performing user-specific automatic speech recognition

  • US 8,145,481 B2
  • Filed: 09/09/2008
  • Issued: 03/27/2012
  • Est. Priority Date: 03/20/2001
  • Status: Expired due to Fees
First Claim
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1. A method of performing speech processing, the method comprising:

  • repeatedly determining parameters of a background model based on sampled information collected at a periodic time interval during a received voice request from a speaker;

    determining parameters of a transducer model;

    adapting a speech recognition model based on user-specific transformations corresponding to a determined identity of the speaker and on at least one of the background model and the transducer model;

    receiving a data field selection by the speaker; and

    applying, via a processor, one of a plurality of language models to the received voice request for speech recognition based on the data field, wherein the speech recognition uses a different language model for each data field selected by the speaker.

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