Parameter Estimation for Traffic Noise Models Using a Harmony Search Algorithm

Table 7

Comparison of predicted and measured traffic noise levels.

Surface types	Predicted levels	Measured levels	ASJ model prediction
SMA	96.1 dB	96.2 dB	94.4 dB
30 mm trans.	99.5 dB	99.7 dB	94.4 dB
18 mm long.	97.3 dB	97.6 dB	94.4 dB