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公开(公告)号：WO2021086797A1
公开(公告)日：2021-05-06
申请号：PCT/US2020/057430
申请日：2020-10-26
Applicant: SYNAPTICS INCORPORATED
Inventor： HODGES, Richard , LAU, Harry , TOWNSEND, Michael
Abstract: Systems and methods for protecting a loudspeaker from excessive excursion include an audio source, an adaptive excursion protection filter, an audio clipper, an inverse excursion protection filter, an amplifier and a loudspeaker. The system performs operations including receiving an audio signal, applying an excursion protection filter, the excursion protection filter adapting in real-time to one or more speaker conditions, clipping the audio signal, applying an inverse excursion protection filter, and amplifying, using an amplification circuit, the audio signal for output to the speaker.
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