Noise mitigating microphone system and method
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United States of America Patent
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Jan 8, 2013
Grant Date -
Mar 4, 2010
app pub date -
Aug 24, 2009
filing date -
Aug 23, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A microphone system has a base coupled with first and second microphone apparatuses. The first microphone apparatus is capable of producing a first output signal having a noise component, while the second microphone apparatus is capable of producing a second output signal. The first microphone apparatus may have a first back-side cavity and the second microphone may have a second back-side cavity. The first and second back-side cavities may be fluidly unconnected. The system also has combining logic operatively coupled with the first microphone apparatus and the second microphone apparatus. The combining logic uses the second output signal to remove at least a portion of the noise component from the first output signal.
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