Active noise equalization
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United States of America Patent
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Oct 10, 2017
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app pub date -
Apr 4, 2014
filing date -
Apr 5, 2013
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Abstract
An active noise equalization (ANE) system may be run on the existing audio/infotainment system as a software library. The ANE system may share components (e.g., microphones and sensors) with other audio applications. Some ANEs include a complex-domain formulation of a multiple-frequency multiple-channel ANE that requires less memory and processing requirements. The complex-domain system replaces the multiplication of multiple real gains with multiple real signals with a single complex multiplication operation.
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