Reviews - relevant articles in magazines & books
click on the GO button to download or read article (.pdf format)               

CCTV facial recognition, Reversing Alarms, Evacuation etc
  "Face the Music" Directional Sound aids Facial Recognition CCTV Today Jan 2002 (.pdf format 399k download)
"Directional Sound sets an new tone", Health & Safety at Work Sept 2001 
(.pdf format 500k download)

Emergency Vehicle Sirens     

"Localisable Alarms," Human Factors in Auditory Warnings.  Stanton, N.A. & Edworthy, J. Eds.  Ashgate Publishing.  1999.
House of Lords - Police Vehicles - Summary of Proceedings
Lords Hansard  - 25 March 1999 (MS Word format 28k download)
  "Siren Sounds - Do They Actually Contribute to Traffic Accidents?"  IMPACT, the Journal of the Institute of Traffic Accident Investigators.   Spring 1998.
"Safer Sirens." Fire Engineers Journal   January 1998. 
"The Quest for Better Ambulance Sirens" Ambulance UK  April 1996

Evacuation Beacons
"Sound faster than Light", Fairplay Solutions May 2002 (860k .pdf format)
"Product profile - Klaxon's DSE Beacon", International Fire Protection Feb 2002
"Into the Flames" Wall to Wall TV on Channel 5, Synopsis June 2000
"Smoke gets in your eyes", Fairplay Solutions May 2000 (270k .pdf format))
"Effective Evacuation from Ferries using Sound Beacons"  Fire Magazine  March 2000.
"The Sound of Safety" Fire Protection Magazine March 2000
(.pdf format 360k download)
"Sound & Safe."  Third Millennium Magazine.   A BNFL Publication.   1999.
"Sound and Evacuation in Public Buildings."  Fire International Magazine.   March 1999.
"Evacuating Public Buildings Using Sound."  Leisure UK 1999.
"Sound Location for Aiding Emergency Egress "  Fire Safety Engineering Oct 1998
(.pdf format 962k download)
"Sound Versus Sight for Emergency Egress."  Access by Design, the Journal for the Centre for Accessible Environments.   January - April 1998.  

Vehicle Reversing Alarms
"Alarm developed at Leeds University set to replace conventional beep" 
Construction News - June 2001 (.pdf format 254k download)

Fire Fighter Distress Signal Units
"White noise can help stricken fire fighters" FIRE  March 2000