Interactive · computes on your input
The map, by the rules: a modelled façade level
Source level at 10 m ·
68
dB(A)
Distance source → façade ·
25
m
Receiver height ·
4.0
m
Source type
Road (line)
Machine (point)
Ground
Hard (paved)
Soft (grass)
Façade reflection
+3 dB
Off
—
Modelled L
den
at façade
—
Modelled level against distance from the source, with the 55 dB reporting floor below which a receiver is not shown on the strategic map