AUDIO SOURCE PROXIMITY ESTIMATION USING SENSOR ARRAY FOR NOISE REDUCTION

  • US 20100103776A1
  • Filed: 10/22/2009
  • Published: 04/29/2010
  • Est. Priority Date: 10/24/2008
  • Status: Active Grant
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First Claim
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1. A method of determining proximity of an audio source, comprising:

  • transforming a plurality of audio signals from a plurality of sensors to frequency domain;

    determining amplitudes of the transformed audio signals;

    comparing the amplitudes; and

    determining the proximity of the audio source based on the comparison of the amplitudes.

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