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Acoustic measurements
Acoustic reduction factor
acoustic reduction factor
D =
dB
x
dB
B
sound intensity before sound insulator
I
1
=
W/m
2
x
W/m
2
sound intensity after sound insulator
I
2
=
W/m
2
x
W/m
2
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"