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System and method for discriminative pronunciation modeling for voice search

  • US 9,484,019 B2
  • Filed: 10/11/2012
  • Issued: 11/01/2016
  • Est. Priority Date: 11/19/2008
  • Status: Active Grant
First Claim
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1. A method comprising:

  • determining a context associated with an utterance received via a microphone that converts audible signals into electrical signals;

    determining, via a processor, phoneme possibilities for a unit of speech in the utterance;

    assigning weights to each phoneme possibility in the phoneme possibilities, to yield weighted phonemes, wherein the weights are based on a rate of occurrence of the phoneme possibility in utterances associated with the context and a likelihood of classification errors;

    receiving additional utterances via the microphone; and

    converting the additional utterances into text via a speech recognizer that uses the weighted phonemes.

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