Cities Detect Gunfire Acoustics With ShotSpotter

Cities are now using a web of acoustic sensors to triangulate the location and type of gunfire as it happens. One company that provides a sensor solution is ShotSpotter.


(ShotSpotter video demonstration)

Its first-in-kind technology detects the fullest range of gunfire, covers exponentially more geographic area, and collects data that helps communities define the scope of illegal gunfire.

Whether installed in local communities, critical infrastructure or on a campus, for a gunfire detection system to be effective, you must extend your protection zone. Optimized for civilian application, SST’s technology is the most effective security solution on the market: the smallest SST system covers 250 times the area of the typical point protection sensor, or 3,000 times that of a typical counter-sniper sensor.

Unlike counter-sniper sensors which can only measure a limited range of sounds—the supersonic signature of a sniper’s round with a known ballistic coefficient—SST’s wide area protection system measures the full range of impulsive sounds (sounds which are explosive in nature) found in urban weaponry, from sub and supersonic impulses to explosions.

As I recall, sf author Greg Bear uses this idea in his 2007 novel Quantico; see the entry for weapon sound tracker (this entry contains a part of an interview I conducted with Bear about his book):

Sound trackers on the roof could zero in on weapons action and coordinate return fire through UAVs and their only other air support, the Superhawk.

Via ShotSpotter.

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