NZ 541959: System and method for identifying and locating an acoustic event

"The city of Rochester has seen a 43% reduction in gunfire since the system went live... Within 48 hours of turning the system on we had our first felony arrest."

• Rochester Police Department,
  Rochester, NY

"The more we expand [ShotSpotter], the more accurate it gets."

• Chief of Police,
  Washington D.C.

"[ShotSpotter] is like having extra patrol officers on the street."

• Mayor,
  Rochester, NY

"We were getting things like 'in the backyard, ten feet back'. That allowed us to collect shell casings, evidence and also to respond very quickly to an incident where shots were fired."

• Chief of Police,
  Gary, IN

"We are creating omnipresence in the minds of the criminal community, which means they think the police presence is anywhere and everywhere."

• Police Detective,
  Saginaw, MI

"We've had numerous cases in which we've found victims laying there bleeding from gunshot wounds. If we wouldn't have been notified via the ShotSpotter system, there's a good chance some of these people would've died.”

• Sheriff,
  Los Angeles County Sheriff’s Department

"[ShotSpotter] is one of the most vital pieces of policing tools that any police department can have."

• Police Captain,
  Montgomery, AL

"Evidence from the ShotSpotter system and the city's public safety video cameras has been used in 'hundreds' of cases since it was first installed four years ago, often corroborating other bits of evidence or assisting investigators with solid proof of people's whereabouts."

• Deputy Chief, Minneapolis, MN

"We saw, in the first 30 days, a 30% drop in complaints of shots fired."

• City Council Member,
  Minneapolis, MN

"ShotSpotter is a better compass to point officers in the right direction."

• Lieutenant,
  Minneapolis, MN

“(ShotSpotter) was one of two crucial elements to providing probable cause (for arrest).”

• Chief of Police,
  Saginaw, MI

“Now when we pull up on a scene, we have 100 percent knowledge if there was actually a shot. It makes your approach different.”

• Police Sergeant,
  Springfield, MA

"Since the very first installation, we've seen a 75% decrease in gunfire in our jurisdiction."

• Chief of Police,
  Redwood City, CA

"We get there sooner, which means we're more likely to catch the person responsible. For an injured person, it can be the difference between living and dying."

• Former Chief,
  Washington D.C.

“O ShotSpotter permite combater o crime com inteligência e facilita a integração dos diversos órgãos de segurança pública."

• Prefeito de Canoas,
  Jairo Jorge (PT)