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High fidelity and reduced feedback contact hearing apparatus and methods

  • US 10,034,103 B2
  • Filed: 03/18/2015
  • Issued: 07/24/2018
  • Est. Priority Date: 03/18/2014
  • Status: Active Grant
First Claim
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1. A method of reducing Feedback generated by a hearing apparatus configured to be placed in an ear canal of a user, the method comprising:

  • determining a characteristic impedance of the hearing apparatus based on a position of the hearing apparatus when placed in the ear canal;

    determining a damper value based on the characteristic impedance; and

    determining a position of a sound inhibiting structure with the determined damper value relative to the one or more channels of the hearing apparatus to provide a predetermined amount of sound attenuation along the ear canal sufficient to inhibit feedback while allowing user audible high frequency localization cues to be transmitted toward the tympanic membrane.

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