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STAND-ALONE EAR BUD FOR ACTIVE NOISE REDUCTION

  • US 20110158420A1
  • Filed: 12/24/2009
  • Published: 06/30/2011
  • Est. Priority Date: 12/24/2009
  • Status: Abandoned Application
First Claim
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1. An ear bud comprising:

  • a microphone;

    an active noise reduction unit configured to produce a noise reduction signal based on ambient noise sensed by the microphone in the vicinity of a first ear while an electronic device produces a first audio sound wave for a second ear; and

    a speaker that produces a second audio sound wave at the first ear based on the noise reduction signal.

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