From: Speech enhancement from fused features based on deep neural network and gated recurrent unit network
Noise | SNR (dB) | Unprocessed | DNN | CNN | LSTM | GRU | DNN-GRU |
---|---|---|---|---|---|---|---|
Pink | 20 | 3.059 | 3.330 | 2.478 | 3.253 | 3.181 | 3.528 |
15 | 2.710 | 3.075 | 2.956 | 3.0151 | 2.951 | 3.314 | |
10 | 2.358 | 2.792 | 2.144 | 2.724 | 2.664 | 2.963 | |
5 | 1.962 | 2.491 | 2.228 | 2.411 | 2.324 | 2.790 | |
0 | 1.606 | 2.118 | 1.826 | 2.049 | 1.940 | 2.462 | |
− 5 | 1.292 | 1.708 | 1.371 | 1.675 | 1.515 | 2.114 | |
White | 20 | 2.791 | 3.156 | 2.381 | 3.101 | 3.080 | 3.271 |
15 | 2.443 | 2.921 | 2.922 | 2.889 | 2.847 | 2.966 | |
10 | 2.102 | 2.659 | 1.953 | 2.618 | 2.605 | 2.837 | |
5 | 1.720 | 2.356 | 2.145 | 2.345 | 2.287 | 2.674 | |
0 | 1.424 | 2.057 | 1.693 | 2.026 | 1.957 | 2.386 | |
− 5 | 1.200 | 1.613 | 1.270 | 1.671 | 1.597 | 1.975 | |
Battle | 20 | 3.152 | 3.362 | 2.550 | 3.339 | 3.241 | 3.353 |
15 | 2.831 | 3.160 | 2.974 | 3.103 | 3.009 | 3.253 | |
10 | 2.503 | 2.880 | 2.265 | 2.818 | 2.723 | 2.880 | |
5 | 2.126 | 2.549 | 2.188 | 2.522 | 2.406 | 2.655 | |
0 | 1.796 | 2.205 | 1.844 | 2.156 | 2.062 | 2.332 | |
− 5 | 1.471 | 1.829 | 1.446 | 1.739 | 1.693 | 2.175 | |
Factory | 20 | 3.240 | 3.436 | 3.396 | 3.346 | 3.269 | 3.642 |
15 | 2.907 | 3.240 | 2.970 | 3.146 | 3.059 | 3.423 | |
10 | 2.572 | 2.992 | 2.289 | 2.879 | 2.810 | 3.229 | |
5 | 2.039 | 2.563 | 2.209 | 2.463 | 2.368 | 2.937 | |
0 | 1.683 | 2.221 | 1.811 | 2.107 | 1.983 | 2.592 | |
− 5 | 1.370 | 1.797 | 1.400 | 1.725 | 1.593 | 2.285 | |
F16 | 20 | 3.117 | 3.416 | 2.527 | 3.368 | 3.253 | 3.587 |
15 | 2.429 | 2.943 | 3.013 | 3.145 | 3.137 | 3.308 | |
10 | 2.440 | 2.958 | 2.265 | 2.850 | 2.757 | 3.169 | |
5 | 2.065 | 2.676 | 2.292 | 2.557 | 2.429 | 2.882 | |
0 | 1.726 | 2.321 | 1.906 | 2.182 | 2.066 | 2.538 | |
− 5 | 1.424 | 1.965 | 1.491 | 1.844 | 1.744 | 2.419 | |
Destroy | 20 | 3.191 | 3.346 | 2.546 | 3.375 | 3.260 | 3.602 |
15 | 2.878 | 2.223 | 2.967 | 3.174 | 3.047 | 3.440 | |
10 | 2.547 | 2.971 | 2.290 | 2.898 | 2.774 | 3.276 | |
5 | 2.193 | 2.738 | 2.273 | 2.635 | 2.487 | 2.950 | |
0 | 1.828 | 2.391 | 1.933 | 2.205 | 2.128 | 2.535 | |
− 5 | 1.468 | 1.995 | 1.533 | 1.773 | 1.708 | 2.393 |