System and method of acoustic detection and location of audible alarm devices

A system and method to detect PASS-type device audio alarm signals and to locate such devices in alarm in a public building, airport, sports stadium or other structure which can include a system to measure speech intelligibility. Time and frequency domain analysis are carried out to establish the pr...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	PHELPS JOHN A, OBRANOVICH CHARLES R, HEIMERDINGER WALTER L, ZUMSTEG PHILIP J, BEREZOWSKI ANDREW G, SHIELDS D. MICHAEL
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS
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