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SIGNALING MICROPHONE COVERING TO THE USER

  • US 20090196429A1
  • Filed: 01/31/2008
  • Published: 08/06/2009
  • Est. Priority Date: 01/31/2008
  • Status: Active Grant
First Claim
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1. A method for improving sound capture on a mobile device, comprising:

  • receiving a first acoustic signal via a primary microphone to obtain a primary sound signal;

    receiving a second acoustic signal via a secondary microphone to obtain a secondary sound signal;

    determining a first signal characteristic for the primary sound signal;

    determining a second signal characteristic for the secondary sound signal;

    determining whether the secondary microphone is obstructed based on the first signal characteristic and second signal characteristic; and

    providing a warning indicating that the secondary microphone is obstructed.

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