Real-time noise reduction system for dynamic motor frequencies aboard an unmanned aerial vehicle (UAV)
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United States of America Patent
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Nov 8, 2016
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N/A
app pub date -
Mar 9, 2015
filing date -
Mar 7, 2014
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Abstract
Systems and methods for simultaneously capturing live audio and video feeds and reducing motor/rotor noise associated with the video feed for a multirotor unmanned aerial vehicle (UAV). Noise reduction occurs in real time or near real time as one or more frequencies associated with a motor, rotor, or attitude of the UAV are recognized, subtracted and/or dithered from the audio feed, resulting in one or more correction signals. The one or more correction signals may be dynamically summed in order to generate a corrected audio feed for transmission.
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