Constrained nonlinear parameter estimation for robust nonlinear loudspeaker modeling for the purpose of smart limiting
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United States of America Patent
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Aug 13, 2019
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Jun 27, 2019
app pub date -
Dec 21, 2017
filing date -
Dec 21, 2017
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Abstract
A loudspeaker real-time state variable prediction system may include a loudspeaker having a voice coil and a magnet, and a non-linear excursion model configured to estimate non-linear excursion of the loudspeaker. The system may further include a thermal model configured to utilize thermal parameters and frequency based on at least one thermal property of the loudspeaker, and a gain adjustment thermal limiter configured to apply a gain reduction an incoming audio signal to protect the loudspeaker from thermal overload.
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