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METHOD AND APPARATUS TO REDUCE NON-LINEAR DISTORTION

  • US 20090274315A1
  • Filed: 04/30/2008
  • Published: 11/05/2009
  • Est. Priority Date: 04/30/2008
  • Status: Active Grant
First Claim
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1. A mobile computing device, comprising:

  • a speaker operative to receive a first signal and output a second signal;

    a first microphone operative to receive the second signal;

    a second microphone operative to receive a third signal;

    an echo canceller to couple to the first microphone and the second microphone, the echo canceller operative to compare the second signal and the third signal and reduce distortion in the third signal based on the comparison.

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