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Wireless telephone having multiple microphones

  • US 20060133621A1
  • Filed: 12/22/2004
  • Published: 06/22/2006
  • Est. Priority Date: 12/22/2004
  • Status: Abandoned Application
First Claim
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1. A wireless telephone, comprising:

  • a first microphone that outputs a first audio signal, the first audio signal comprising a voice component and a background noise component;

    a second microphone that outputs a second audio signal; and

    a signal processor that increases a ratio of the voice component to the noise component of the first audio signal based on the content of at least one of the first audio signal and the second audio signal to produce a third audio signal.

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