Noise type | Noise reduction technique | Noise intensity (dB) | ||||||
---|---|---|---|---|---|---|---|---|
 |  | 20 | 18 | 16 | 14 | 12 | 10 | 8 |
Gaussian | WT | 27.60 | 26.69 | 25.63 | 24.30 | 22.83 | 21.15 | 19.31 |
 | GNDF | 28.42 | 27.30 | 26.09 | 24.89 | 22.98 | 21.87 | 20.11 |
Rayleigh | WT | 27.60 | 24.76 | 20.99 | 17.80 | 14.94 | 12.34 | 9.78 |
 | GNDF | 28.40 | 25.69 | 21.77 | 18.47 | 15.52 | 12.89 | 10.50 |
Exponential | WT | 25.08 | 26.62 | 24.73 | 21.48 | 18.27 | 15.39 | 12.71 |
 | GNDF | 24.67 | 26.88 | 26.79 | 24.61 | 21.55 | 18.49 | 15.61 |