Noise type | SNR (dB) | MOS (score) | Noise type | SNR (dB) | MOS (score) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Noisy speech | Contrast1 | Contrast2 | Proposed algorithm | Noisy speech | Contrast1 | Contrast2 | Proposed algorithm | ||||
Buccaneer1 | 10 | 2.40 | 2.89 | 2.90 | 3.15 | hfchannel | 10 | 1.81 | 3.95 | 3.81 | 4.24 |
5 | 1.85 | 2.35 | 2.34 | 2.62 | 5 | 1.52 | 3.65 | 3.38 | 3.68 | ||
0 | 1.51 | 1.93 | 2.02 | 2.20 | 0 | 1.33 | 2.31 | 2.21 | 2.85 | ||
− 5 | 1.04 | 1.55 | 1.50 | 2.00 | − 5 | 1.21 | 1.97 | 1.74 | 2.01 | ||
Buccaneer2 | 10 | 2.54 | 3.53 | 3.20 | 4.20 | Leopard | 10 | 2.12 | 3.54 | 3.41 | 3.75 |
5 | 1.62 | 2.86 | 2.83 | 3.27 | 5 | 1.86 | 2.83 | 2.64 | 3.12 | ||
0 | 1.34 | 2.34 | 2.32 | 2.56 | 0 | 1.80 | 2.13 | 2.21 | 2.74 | ||
− 5 | 0.51 | 1.91 | 1.92 | 2.17 | − 5 | 1.73 | 2.05 | 2.01 | 2.58 | ||
Babble | 10 | 2.23 | 4.02 | 4.13 | 4.36 | m109 | 10 | 2.70 | 3.97 | 4.15 | 4.35 |
5 | 1.78 | 3.26 | 3.34 | 3.81 | 5 | 2.62 | 3.36 | 3.40 | 3.89 | ||
0 | 1.42 | 2.82 | 2.56 | 3.05 | 0 | 1.97 | 2.99 | 2.85 | 3.14 | ||
− 5 | 1.14 | 1.99 | 1.66 | 2.04 | − 5 | 1.55 | 2.31 | 2.22 | 2.81 | ||
Destroyerengine | 10 | 2.18 | 3.97 | 4.05 | 4.46 | Machinegun | 10 | 2.53 | 4.13 | 4.21 | 4.73 |
5 | 1.77 | 2.73 | 2.41 | 3.53 | 5 | 2.02 | 3.78 | 3.99 | 4.30 | ||
0 | 1.54 | 2.49 | 2.51 | 2.96 | 0 | 1.86 | 3.07 | 3.16 | 3.94 | ||
− 5 | 1.39 | 2.33 | 2.42 | 2.74 | − 5 | 1.25 | 2.71 | 2.83 | 3.02 | ||
Destroyerops | 10 | 2.50 | 3.96 | 3.82 | 4.12 | Pink | 10 | 2.52 | 3.69 | 3.50 | 3.89 |
5 | 2.02 | 3.70 | 3.16 | 3.82 | 5 | 2.11 | 2.38 | 2.43 | 2.58 | ||
0 | 1.60 | 2.35 | 2.82 | 3.38 | 0 | 1.97 | 2.09 | 2.15 | 2.50 | ||
− 5 | 1.24 | 2.92 | 2.57 | 2.97 | − 5 | 1.65 | 1.81 | 1.92 | 2.32 | ||
f16 | 10 | 2.57 | 3.72 | 3.94 | 4.10 | Volvo | 10 | 2.30 | 3.64 | 3.83 | 4.26 |
5 | 2..01 | 3.22 | 3.48 | 3.82 | 5 | 1.96 | 2.84 | 2.93 | 3.58 | ||
0 | 1.80 | 3.01 | 3.15 | 3.45 | 0 | 1.65 | 2.29 | 2.37 | 3.00 | ||
− 5 | 1.30 | 2.95 | 2.62 | 2.98 | − 5 | 1.22 | 1.93 | 1.81 | 2.75 | ||
Factory1 | 10 | 2.21 | 3.86 | 3.79 | 3.99 | White | 10 | 2.47 | 2.57 | 2.83 | 3.10 |
5 | 1.79 | 3.53 | 3.33 | 3.59 | 5 | 2.17 | 2.49 | 2.65 | 2.80 | ||
0 | 1.44 | 2.88 | 2.95 | 3.10 | 0 | 1.90 | 2.11 | 2.31 | 2.56 | ||
− 5 | 1.21 | 2.58 | 2.32 | 2.88 | − 5 | 1.62 | 1.84 | 1.91 | 2.20 | ||
Factory2 | 10 | 2.53 | 3.84 | 3.91 | 4.39 | Street | 10 | 2.05 | 2.31 | 2.25 | 2.56 |
5 | 2.16 | 3.34 | 3.52 | 3.95 | 5 | 1.50 | 2.04 | 2.14 | 2.32 | ||
0 | 1.72 | 2.98 | 3.05 | 3.47 | 0 | 1.29 | 1.85 | 1.92 | 2.08 | ||
− 5 | 1.39 | 2.16 | 1.92 | 2.97 | − 5 | 0.85 | 1.60 | 1.65 | 1.90 | ||
Office | 10 | 2.01 | 2.96 | 3.04 | 3.11 | Average | 10 | 2.33 | 3.56 | 3.57 | 3.93 |
5 | 1.75 | 2.03 | 2.25 | 2.85 | 5 | 1.91 | 2.96 | 2.95 | 3.38 | ||
0 | 1.45 | 1.96 | 1.98 | 2.17 | 0 | 1.62 | 2.45 | 2.50 | 2.89 | ||
− 5 | 1.08 | 1.59 | 1.73 | 1.94 | − 5 | 1.26 | 2.13 | 2.04 | 2.48 |