Wind noise reduction
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United States of America Patent
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Mar 7, 2017
Grant Date -
Jun 2, 2016
app pub date -
Jul 11, 2014
filing date -
Jul 12, 2013
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Abstract
A method of wind noise reduction. Left side and right side microphone signals are obtained. In a first stage wind noise reduction is applied to a first sub-band of one of the signals, below a spectral threshold NA. In a second stage the wind noise reduced first side signal, and the second side signal, are both split into a sub-band below a threshold NB less than NA. The sub-band of the first side signal is mixed with the sub-band of the second side signal to produce an aggregate third sub-band signal having reduced wind noise, which is recombined with the respective sub-bands above the threshold NB to produce output first and second side signals.
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