SoundPLAN Application - Difference Map

Contour Difference Map: In 1991 and 1997 Navcon Engineers conducted Noise Surveys within a Plant. The Difference Map shows the Changes in Sound Pressure Levels within the Plant. Difference Map are very important Tool to visualize the Changes for Predicted Scenarios or Measured Noise Situations.

The figure above shows:

Black lines: DXF outline of Refinery

Data acquired every 20 ft, 5 ft above the ground.

Colors indicated the Difference Level over 5 years
[Noise level increased : red / blue color Noise levels decreased: yellow / green colors].

SoundPLAN software is developed by Braunstein & Berndt GmbH - Etzwiesenberg 15
D-71522 Backnang - Germany

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Last modified: December 20, 2006