Glass breakage detection system
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United States of America Patent
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Mar 20, 2018
Grant Date -
Oct 26, 2017
app pub date -
Apr 5, 2017
filing date -
Apr 20, 2016
priority date (Note) -
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Abstract
A glass breakage detection method, constituted of: receiving a plurality of audio samples; estimating low frequency power values of the received plurality of audio samples; estimating wide band power values of the received plurality of audio samples; responsive to the estimated wide band power values, determining an amplification value; responsive to the estimated low frequency power being greater than a predetermined threshold, amplifying a function of the received plurality of audio samples by the determined amplification value; comparing the amplified function with a predetermined function of sound of breaking glass; and outputting an indication of the comparison.
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