Why Accuracy Matters

False alarms cost cities millions in wasted emergency response and lost productivity every year. Accurate acoustic localization eliminates that burden by requiring dual- or triple-verification of acoustic, optical, and thermal signatures before alerting authorities. Independent DHS SAFETY Act evaluations confirm these systems maintain >99.95 % accuracy in real-world city environments, meaning police arrive with certainty—not skepticism—and businesses avoid the reputational damage of repeated “cry-wolf” incidents.

Learning more about acoustic localization for cities

Not sure where to begin? The DHS SAFETY Act website maintains an up-to-date list of every approved acoustic localization technology, complete with coverage scope (indoor, outdoor, vertical) and real-world deployment examples. Filter specifically for systems proven in climates and densities matching cities to make informed decisions quickly.

How to choose the right acoustic localization for cities

The best acoustic localization isn’t the cheapest—it’s the one proven under DHS scrutiny to deliver floor-level accuracy in high-rises and open-air precision in urban canyons. Look for systems with published third-party test results showing >99.9 % detection and <1 false alarm per 5,000 sensor-days in environments matching your venue’s density and noise profile.

Other considerations for acoustic localization in cities

Beyond accuracy, city decision-makers must consider liability exposure. Only DHS SAFETY Act-covered acoustic localization provides statutory caps or elimination of third-party claims following an attack. Without this protection, even the most accurate system leaves venues like schools and businesses vulnerable to lawsuits claiming the technology “should have done more.”

Learn More about SAFETY Act-approved acoustic localization