Gunshot on south main st? This system monitors noise in the city, specifically identifying and targeting gunshots. They then alert the local police with specific info on exact location and approximation of weapon caliber.
The private sector has so much more money available to develop these technologies compared to state and city budget allowances. The fuzz loves it as it gives them a heads up on what they're dealing with and where. Criminals everywhere are now spending their loot on silencers.