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Acoustic Sealing Analysis System

  • US 20180132048A1
  • Filed: 09/11/2017
  • Published: 05/10/2018
  • Est. Priority Date: 09/19/2008
  • Status: Active Grant
First Claim
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1. A device having a speaker and a microphone located therein, comprising:

  • a balloon configured to seal an ear canal, wherein the balloon is configured to produce an acoustic seal in the ear canal, wherein the balloon has a first side and a second side, and wherein the first side is exposed to ambient sound and the second side is exposed to the ear canal;

    audio processing circuitry configured to produce an audio signal in the device and to measure a sound level using output from the microphone in the device while the speaker is being driven by the audio signal; and

    control circuitry to evaluate a seal quality of the device.

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