Sound Power → Sound Pressure

Point source | Distance, ground & insertion loss correction

Source name optional

Sound Power Level (L_W) dB re 1 pW

Enter a valid number.

Distance (r) metres

Distance must be greater than 0.

Ground absorption coefficient (α) 0 = hard · 1 = soft

0.00

Hard (full reflection, +3 dB) Soft (full absorption)

Insertion Losses name · dB

Enter valid numbers for both insertion losses.

Sound Pressure Level (L_p)

— dB

Formula applied

—