Noise-barrier simulator
See for yourself how much noise a barrier blocks
Play with the sliders and see the live effect of an acoustic barrier on traffic noise. Based on the Maekawa formula.
Direct sound wavesDiffractionReflectionReceiver (ear)
80 dB
3.0 m
10 m
15 m
1.5 m
500 Hz
Yes
Off
Distance loss-18 dB
Barrier reduction (Maekawa)-15 dB
Hearing correction-3.2 dB
Indicative simulation for educational purposes. Actual results depend on site-specific factors.