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AUGMENTED MULTI-TIER CLASSIFIER FOR MULTI-MODAL VOICE ACTIVITY DETECTION

  • US 20150058004A1
  • Filed: 08/23/2013
  • Published: 02/26/2015
  • Est. Priority Date: 08/23/2013
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, from a first classifier, a first voice activity indicator detected in a first modality for a human subject;

    receiving, from a second classifier, a second voice activity indicator detected in a second modality for the human subject,wherein the first voice activity indicator and the second voice activity indicators are based on the human subject at a same time, and wherein the first modality and the second modality are different;

    concatenating, via a third classifier, the first voice activity indicator and the second voice activity indicator with original features of the human subject, to yield a classifier output; and

    determining voice activity based on the classifier output.

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