Application

■ A-4-2 Constant monitoring

Automatic constant monitoring of noise can be realized by configuring a dedicated system consisting of the environmental sound monitor NA-39A. This system can automatically detect sound events and determine whether they are aircraft noise. Data can be collected on SD card media or monitored at any time via a communications link. For data processing, the aircraft noise monitoring software AS-51 is used. This software can calculate Lden and other values from aircraft noise events, create reports (daily, monthly, etc.), and it also allows listening to real sound data of individual sound events. Multi-point monitoring is also supported, with the possibility to instantly switch between points for comparing data.

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