Method and system for obtaining an audio signal
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United States of America Patent
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Aug 18, 2015
Grant Date -
Feb 20, 2014
app pub date -
Aug 16, 2012
filing date -
Aug 16, 2012
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Abstract
A method and system for obtaining an audio signal. In one embodiment, the method comprises receiving a first sound signal at a first microphone arranged at a first height vertically above a substantially flat surface; receiving a second sound signal at a second microphone arranged at a second height vertically above the substantially flat surface; processing a signal provided by the first microphone using a low pass filter; processing a signal provided by the second microphone using a high pass filter; adding the signals processed by the low pass filter and the high pass filter to form a sum signal; and outputting the sum signal as an audio signal.
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