Table 8 Performance comparison in terms of WSS values in the presence of car noise
SNR (dB) | MMSE | Spectral subtraction | Wiener filtering | Proposed method |
|---|---|---|---|---|
15 | 29.2 | 39.84 | 47 | 23 |
10 | 36.2 | 47.74 | 52.85 | 30.3 |
5 | 45.62 | 56.5 | 64.9 | 38.5 |
0 | 56.85 | 67.32 | 71.3 | 48.3 |
-5 | 66.85 | 77.7 | 82.51 | 58.4 |
-10 | 76.31 | 85 | 90.23 | 75 |
-15 | 89.73 | 92.7 | 101.6 | 81.5 |