Method and device for mitigating wind noise in a speech signal generated at a microphone of the device
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United States of America Patent
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Aug 1, 2017
Grant Date -
Mar 2, 2017
app pub date -
Aug 25, 2015
filing date -
Aug 25, 2015
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Abstract
A mobile communication device and a method of mitigating wind noise in a speech signal generated at a microphone of the mobile communication device. A primary microphone of the mobile communication device receives speech and wind noise and generates a first speech signal based on the speech and the wind noise that is received. A secondary microphone of the mobile communication device receives attenuated speech and generates a second speech signal based on the attenuated speech that is received. The secondary microphone is shielded from the wind noise when the primary microphone receives speech and the wind noise. A processor of the mobile communication device processes the first speech signal to replace a low frequency portion of the first speech signal with the second speech signal in order to mitigate the wind noise in the first speech signal.
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