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Gunshot detection
Also known as: ShotSpotter, Flock Raven
Acoustic sensor networks that triangulate gunshots and dispatch police — frequently bundled with LPR camera deployments.
How it works
Microphones mounted on poles or buildings detect sharp acoustic events, classify them as gunfire vs. fireworks/backfires, and report a location estimate to police within ~60 seconds. The two dominant vendors are SoundThinking (ShotSpotter) and Flock Safety (Raven).
Why it ties to LPR
Vendors increasingly sell gunshot detection as a bundle with LPR. A "Raven" alert can auto-pull plate reads from nearby Flock cameras in the same time window — turning two separate surveillance systems into a unified location-tracking tool.