"One issue of concern to many fire officers and the general public would appear to be that with the yelp and wailer sirens it is extremely difficult to detect where the sound is coming from.
Mr Brandon demonstrated directional sound signals he has developed, and it would appear that the use of directional sirens could reduce accidents and potentially reduce fatalities and injuries.
The Fire Service could benefit from reduced driver stress and cost savings from a reduction in the number of vehicles being off the road due to accidents"
Operational Equipment Team Manager - Fire & Rescue Service
Having discussed your research and development into directional vehicle sirens and audible warning devices, I must reiterate my support for this work.
Having been in a position to see the result of incidents where emergency vehicles have had occurrences which resulted in injury and death on the road, any advance in technology that would assist and improve the pre alerting of road users must be a benefit.
The airport fire and rescue service would benefit from this technology, as responding to emergencies in low visibility causes problems for those awaiting our response.
Watch Commander - International Airport
This is a small sample of accidents involving motorists and emergency vehicles. Unfortunately there are over 100 crashes each week resulting in serious injuries or worse.
Most accidents happen at crossroads or junctions and research indicates that the narrow forward beam of current sirens is not heard adequately to the side.
Quadrasonic Sirens project the sounds both forward and to the side - giving advanced warning of approaching emergency vehicles.
The multiple vibrato tones, 'Wall of Sound' and Doppler effects
engineered into the Quadrasonic System enables motorists to judge the direction of emergency vehicles just by listening to the sounds - without needing to look around.
This amazing video shows a man getting rescued from a burning building. See how quickly the fire spreads.
Watch what happens at 1:21
Imagine what might have happened if the ladder was delayed in traffic. Quadrasonic Directional Siren Systems are designed to shorten response times.
Firefighters save lives - Directional Sirens will help them.