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Hearing assistance system with own voice detection

  • US 8,477,973 B2
  • Filed: 03/30/2010
  • Issued: 07/02/2013
  • Est. Priority Date: 04/01/2009
  • Status: Active Grant
First Claim
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1. An apparatus configured to be worn by a wearer who has an ear and an ear canal, comprising:

  • a first microphone adapted to be worn about the ear of the person;

    a second microphone adapted to be worn about the ear canal of the person and at a different location than the first microphone, wherein the second microphone is positioned on an air side of the ear canal to detect signals outside the ear canal;

    a sound processor adapted to process signals from the first microphone to produce a processed sound signal; and

    a voice detector to receive signals from the first microphone and the second microphone, the voice detector comprising an adaptive filter configured to output information, wherein the voice detector is configured to identify a voice of the wearer from the output information.

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