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Dual mode speech recognition

  • US 10,410,635 B2
  • Filed: 06/09/2017
  • Issued: 09/10/2019
  • Est. Priority Date: 06/09/2017
  • Status: Active Grant
First Claim
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1. A speech recognition method comprising:

  • sending speech to a first recognizer and a second recognizer;

    receiving, from the first recognizer, a first result associated with a recognition score;

    setting a value of a timeout duration as a function of a value of the recognition score, such that the value of the timeout duration is set, in dependence upon the value of the recognition score, from at least one of a maximum value, an intermediary value and a minimum value;

    responsive to receiving no result from the second recognizer before the timeout duration expires, choosing the first result as a basis for creating a response; and

    responsive to receiving a second result from the second recognizer, updating a speech recognition vocabulary of the first recognizer to include at least one of an updated vocabulary model, an updated language model and an updated acoustic model.

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