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Speech recognition system trained with regional speech characteristics

  • US 20050144001A1
  • Filed: 01/07/2005
  • Published: 06/30/2005
  • Est. Priority Date: 11/12/1999
  • Status: Active Grant
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1. A method of optimizing recognition of a speech utterance from a user with a distributed speech processing system comprising the steps of:

  • (a) training one or more speech recognition models for recognizing speech utterances in a first natural language in a first training operation;

    wherein said speech recognition models are implemented as part of a speech recognition engine executing on a network server system of the distributed speech processing system;

    (b) training said one or more speech recognition models in a second training operation, said second training operation being based on additional samples of speech from a group of persons employing said first natural language and residing in geographic regions served by the distributed speech processing system;

    wherein recognition of speech utterances during a speech recognition process is optimized for a geographic region by using one or more speech models which include variants of words to be uttered by users of the distributed client-server system.

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