Method and apparatus for wind noise detection and suppression using multiple microphones
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United States of America Patent
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May 3, 2016
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app pub date -
Sep 30, 2011
filing date -
Nov 12, 2010
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Abstract
Unlike sound based pressure waves that go everywhere, air turbulence caused by wind is usually a fairly local event. Therefore, in a system that utilizes two or more spatially separated microphones to pick up sound signals (e.g., speech), wind noise picked up by one of the microphones often will not be picked up (or at least not to the same extent) by the other microphone(s). Embodiments of methods and apparatuses that utilize this tact and others to effectively detect and suppress wind noise using multiple microphones that are spatially separated are described.
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