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Acoustic measurements
Sound pressure level
sound pressure level
L =
dB
x
dB
B
maximal sound pressure (pressure amplitude)
p
m
=
Pa
x
μPa
mPa
Pa
kPa
MPa
GPa
bar
kgf/cm
2
mm H
2
O
mm Hg
threshold acoustic pressure
p̃
0
=
2E-5
Pa
1. Define values of all variables, besides sought quantity
2. Change units if necessary
3. Click "Calculate"