System and method of signal processing for use in gunshot detection

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United States of America Patent

PATENT NO 10955287
SERIAL NO

16806609

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Abstract

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A system and method for detecting the occurrence of a gunshot are provided. The method may include receiving acoustic signals at a microphone indicative of a magnitude of the acoustic signal at a plurality of discrete frequencies, converting the acoustic signals to a digital signal and then employing a Goertzel algorithm based digital signal filter on the digital signal to produce Goertzel magnitudes at the plurality of discrete frequencies. The method subsequently determines if a maximum value of the digital signal is higher than a predefined threshold value. If the threshold value is exceeded, the method predicts if the Goertzel magnitudes at the plurality of discrete frequencies are indicative of a gunshot sound via gradient boosting; and, transmits a signal indicative of a gunshot occurrence after predicting if a possible gunshot event has occurred. A debouncer may also be utilized to suppress duplicative signals.

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Patent Owner(s)

Patent OwnerAddress
TRINITY GUNSHOT ALARM SYSTEM LLCP O BOX 1 BARABOO WI 53913

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jax, Stacy Baraboo, US 1 5
Mauersberg, Martin Richmond Hill, US 1 5

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