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

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

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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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Beschreibung
Zusammenfassung: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 pressure of PASS-type device audio output signals.