Public addressing and sound system are essential in places, where information has to be given to a number of people.
Sound systems are used in shopping centres, train and bus stations, airports, schools, office buildings, sporting facilities. System covers usually one building or complex of buildings, which are devided into functionally different zones. For example lounge and swimming pool in the hotel are different zones, where different programs can be played.
Types of systems
- Background music
The simplest sound system
- Speech messages
Pre-recorded or directly spoken text messages.
- EVAC
In more and more public buildings emergency sound systems are required. EVAC-system is ordinary sound system with more strict parameter requirements. Pre-recorded fire alarm messages managed automatically by fire alarm system are used. The system order is under control also when its not directly operating. This avoids the situation, that in case of sudden real emergency system is actually out of order from long time ago.
More precise information
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