Table 1.
SNR results
| N0 | N1 | N2 | N3 | N4 | N5 | N6 | N7 | N8 | N9 | Average | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mixture | −3.26 | −4.07 | 10.19 | 4.34 | 3.99 | −5.82 | 1.90 | 6.62 | 10.37 | 0.73 | 2.49 |
| Hu and Wang [11] | 16.34 | 7.83 | 16.71 | 8.32 | 10.88 | 14.41 | 16.89 | 11.97 | 14.44 | 5.27 | 12.30 |
| Hu and Wang [12] | 24.50 | 13.50 | 20.30 | 13.40 | 11.99 | 22.40 | 18.60 | 15.11 | 17.60 | 8.66 | 16.60 |
| Zhang and Liu [13] | 17.07 | 5.94 | 17.26 | 6.26 | 8.50 | 15.18 | 16.23 | 11.50 | 14.43 | 7.40 | 11.97 |
| Zhang and Liu [14] | 17.86 | 8.16 | 18.27 | 8.26 | 11.28 | 16.04 | 17.46 | 11.93 | 14.84 | 4.98 | 12.90 |
| Li and Guan [17] | 11.13 | 3.50 | 14.41 | 5.21 | 6.66 | 12.93 | 14.66 | 9.39 | 11.50 | 3.96 | 9.33 |
| True pitch | 16.33 | 8.35 | 17.71 | 8.79 | 11.56 | 15.06 | 17.76 | 12.31 | 15.32 | 6.04 | 12.92 |
| Narrow band [23] | 9.88 | 6.74 | 11.44 | 6.94 | 8.95 | 8.33 | 11.31 | 9.15 | 10.60 | 3.98 | 8.73 |
| Comb filter | 3.12 | 3.01 | 13.28 | 8.72 | 8.32 | 2.25 | 6.56 | 10.57 | 13.19 | 5.39 | 7.44 |
| Wang–Brown [24] | 11.31 | 4.93 | 11.19 | 5.65 | 8.72 | 10.44 | 11.15 | 9.22 | 10.84 | 2.66 | 8.61 |
| Spectral subtraction | 18.35 | 3.05 | 16.00 | 6.14 | 8.32 | −5.51 | 4.85 | 8.23 | 10.90 | 2.46 | 7.27 |
| Ideal binary mask | 20.76 | 9.04 | 22.90 | 9.72 | 13.19 | 18.40 | 21.53 | 15.78 | 18.10 | 10.5 | 15.99 |