Table 2 Performance comparison in terms of SNR improvement in decidels in the presence of white noise
SNR (dB) | MMSE | Spectral subtraction | Wiener filtering | Proposed method |
|---|---|---|---|---|
15 | 1.93 | 1.84 | 1.1 | 2.45 |
10 | 3.7 | 2.52 | 2.38 | 5.13 |
5 | 4.6 | 3.2 | 2.9 | 7.2 |
0 | 5.36 | 4.02 | 3.9 | 9.2 |
-5 | 8 | 6.8 | 5.1 | 10.85 |
-10 | 9.5 | 8 | 7.2 | 12.42 |
-15 | 11.29 | 10.32 | 9.86 | 13.48 |