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NYC Installing Eavesdropping Microphones Across City
From Ghostgen:
It’s called ShotSpotter, a large tracking system which detects gunfire and then triangulates the position of the sound. Acoustic sensors are placed in strategic areas, mostly along rooftops or atop telephone poles. Once installed, the sensors pick up street noise and listen for gunshots.
Once the system detects potential gunfire, it analyzes the sound to confirm, and then finds the shooter by triangulating his location in relation to three of the sensors.
At this stage, the city has spent $1.5 million to place 300 sensors across a 15 square mile stretch of Brooklyn and the Bronx. The locations were chosen based on their high crime rates. As of Monday, the Bronx system is up and running, while Brooklyn’s network will be operational in a week’s time.
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