|  | White noise | Babble noise | Factory noise | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Envir. | Cluster | SIR | SINR | SNR | PESQ | OPS | SIR | SINR | SNR | PESQ | OPS | SIR | SINR | SNR | PESQ | OPS |
SNR | scheme | (dB) | (dB) | (dB) | Â | (%) | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
30 dB | HKM | 7.11 | 7.01 | 17.44 | 1.71 | 31.15 | 7.21 | 6.45 | 17.94 | 1.67 | 28.11 | 7.15 | 5.97 | 18.13 | 1.65 | 28.01 |
 | GMM | 17.35 | 14.40 | 23.96 | 2.68 | 43.72 | 15.46 | 12.41 | 23.01 | 2.52 | 42.01 | 14.00 | 11.05 | 22.50 | 2.77 | 42.81 |
 | FCM | 15.99 | 15.52 | 25.63 | 2.81 | 47.48 | 16.14 | 15.89 | 25.40 | 2.84 | 49.73 | 16.25 | 15.78 | 25.80 | 2.82 | 48.45 |
25 dB | HKM | 6.97 | 6.90 | 16.28 | 1.55 | 30.01 | 5.74 | 6.16 | 15.09 | 1.60 | 28.01 | 6.50 | 6.65 | 15.85 | 1.60 | 27.99 |
 | GMM | 16.36 | 15.01 | 20.98 | 2.60 | 43.45 | 18.75 | 17.76 | 25.15 | 2.49 | 41.53 | 16.00 | 14.95 | 22.30 | 2.43 | 38.82 |
 | FCM | 17.30 | 16.63 | 25.19 | 2.75 | 46.80 | 16.67 | 16.04 | 25.18 | 2.76 | 47.52 | 17.01 | 16.41 | 24.92 | 2.76 | 47.33 |
20 dB | HKM | 7.52 | 6.60 | 17.57 | 1.54 | 28.31 | 6.03 | 5.34 | 15.45 | 1.51 | 28.00 | 6.50 | 6.65 | 15.85 | 1.59 | 26.11 |
 | GMM | 10.01 | 9.59 | 22.71 | 2.42 | 38.38 | 12.45 | 11.45 | 19.34 | 2.49 | 40.93 | 14.30 | 11.04 | 18.50 | 2.21 | 37.99 |
 | FCM | 16.68 | 15.74 | 23.01 | 2.70 | 43.83 | 16.14 | 15.23 | 22.93 | 2.63 | 47.48 | 15.69 | 14.84 | 22.63 | 2.63 | 45.28 |
15 dB | HKM | 7.41 | 5.94 | 14.96 | 1.50 | 27.53 | 7.13 | 6.34 | 13.14 | 1.40 | 26.36 | 6.36 | 6.66 | 10.92 | 1.41 | 26.88 |
 | GMM | 6.98 | 5.78 | 16.05 | 1.74 | 32.16 | 7.37 | 6.12 | 16.09 | 1.99 | 34.01 | 13.20 | 10.75 | 17.43 | 2.15 | 37.99 |
 | FCM | 14.77 | 13.31 | 19.22 | 2.45 | 37.54 | 13.51 | 12.32 | 17.33 | 2.42 | 43.77 | 15.69 | 13.71 | 19.32 | 2.65 | 44.00 |
10 dB | HKM | 6.51 | 5.45 | 11.79 | 1.37 | 25.99 | 5.00 | 4.02 | 9.71 | 1.32 | 25.01 | 4.67 | 5.45 | 6.70 | 1.40 | 26.10 |
 | GMM | 4.91 | 3.14 | 11.93 | 1.60 | 26.35 | 6.36 | 4.63 | 12.65 | 1.84 | 28.10 | 4.96 | 4.01 | 10.99 | 1.63 | 28.31 |
 | FCM | 12.85 | 10.14 | 14.45 | 2.26 | 32.75 | 15.69 | 11.66 | 15.50 | 2.40 | 35.75 | 12.92 | 10.49 | 14.47 | 2.33 | 34.65 |
5 dB | HKM | 4.05 | 2.70 | 7.56 | 1.28 | 24.71 | 3.32 | 2.32 | 7.14 | 1.30 | 25.70 | 2.35 | 1.46 | 6.97 | 1.23 | 23.22 |
 | GMM | 5.01 | 4.00 | 9.07 | 1.52 | 24.69 | 7.37 | 6.12 | 7.09 | 1.73 | 24.06 | 6.70 | 3.93 | 8.22 | 1.56 | 26.70 |
 | FCM | 7.15 | 6.24 | 9.16 | 1.99 | 29.50 | 8.51 | 7.32 | 8.33 | 1.89 | 28.15 | 7.75 | 6.13 | 8.41 | 1.88 | 29.00 |
0 dB | HKM | 4.01 | -0.77 | 2.94 | 1.20 | 24.62 | 3.70 | -0.70 | 0.70 | 1.21 | 24.65 | 2.15 | -3.67 | 1.77 | 1.20 | 23.11 |
 | GMM | 3.98 | -0.35 | 0.58 | 1.51 | 23.78 | 3.43 | -0.50 | 1.03 | 1.39 | 23.10 | 2.42 | -0.90 | 0.82 | 1.25 | 26.24 |
 | FCM | 4.74 | -0.11 | 3.10 | 1.71 | 26.11 | 5.02 | 0.06 | 3.25 | 1.54 | 26.31 | 5.32 | -0.43 | 2.62 | 1.49 | 26.28 |
-5 dB | HKM | 1.05 | -2.10 | -1.69 | 1.00 | 24.51 | 0.79 | -2.10 | -0.52 | 1.06 | 23.99 | 0.72 | -3.01 | -0.80 | 1.00 | 24.29 |
 | GMM | 0.25 | -7.41 | -2.68 | 1.11 | 22.90 | -1.50 | -4.50 | -2.61 | 1.00 | 22.81 | -1.61 | -1.20 | -1.62 | 1.27 | 24.59 |
 | FCM | 2.15 | -2.01 | -1.61 | 1.49 | 24.56 | 0.85 | -1.11 | 0.97 | 1.28 | 26.12 | 3.31 | -1.13 | -1.08 | 1.31 | 25.99 |
-10 dB | HKM | -0.97 | -4.44 | -3.44 | 0.90 | 22.90 | -1.80 | -1.70 | -1.34 | 0.95 | 21.98 | -1.89 | -3.10 | -1.90 | 1.01 | 22.13 |
 | GMM | -1.88 | -5.86 | -3.89 | 0.89 | 21.90 | -0.80 | -6.25 | -1.28 | 1.03 | 21.82 | -0.90 | -4.01 | -1.54 | 1.10 | 22.10 |
 | FCM | 0.46 | -2.36 | -2.90 | 1.11 | 22.97 | 0.60 | -2.50 | -2.11 | 1.12 | 23.71 | -0.89 | -3.01 | -2.15 | 1.10 | 23.10 |