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System and method of improving voice quality in a wireless headset with untethered earbuds of a mobile device

  • US 9,532,131 B2
  • Filed: 02/21/2014
  • Issued: 12/27/2016
  • Est. Priority Date: 02/21/2014
  • Status: Active Grant
First Claim
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1. A method of improving voice quality of a mobile device using a wireless headset with untethered earbuds comprising:

  • receiving a first acoustic signal from a first microphone included in a first untethered earbud and receiving a second acoustic signal from a second microphone included in a second untethered earbud;

    receiving a first inertial sensor output from a first inertial sensor included in the first earbud and receiving a second inertial sensor output from a second inertial sensor included in the second earbud, wherein the first and second inertial sensors detect vibration of the user'"'"'s vocal chords;

    processing by the first earbud the first acoustic signal and a first noise level captured by the first microphone and processing by the second earbud the second acoustic signal and a second noise level captured by the second microphone;

    processing by the first earbud the first inertial sensor output and processing by the second earbud the second inertial sensor output;

    communicating the first noise level and the first and inertial sensor output from the first earbud to the second earbud;

    when a) the first noise level is lower than the second noise level and b) the second inertial sensor output is less that the first inertial sensor output by a predetermined threshold, transmitting by the first earbud the first acoustic signal and the first inertial sensor output; and

    when a) the second noise level is lower than the first noise level and b) the first inertial sensor output is less than the second inertial sensor output by a predetermined threshold, transmitting by the second earbud the second acoustic signal and the second inertial sensor output.

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