Processing | Simulated rooms | Real | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
CD (dB) | SRMR | LLR | SNR (dB) | SRMR | |||||||
Name | Target /train | Estimation | CMN | mean | med. | mean | mean | med. | mean | med. | mean |
MVDR | - | - | No | 3.64 | 3.28 | 4.85 | 0.48 | 0.43 | 5.31 | 7.76 | 4.12 |
DS | - | - | No | 3.11 | 2.76 | 4.34 | 0.410 | 0.360 | 6.60 | 9.24 | 3.84 |
DS+SS | - | - | No | 3.00 | 2.67 | 4.56 | 0.410 | 0.360 | 7.16 | 9.68 | 4.62 |
Effect of beamforming | |||||||||||
MVDR+DNN4 | 257/random | - | Vis/Tgt | 2.28 | 2.07 | 5.88 | 0.470 | 0.440 | 8.44 | 8.88 | 4.51 |
DS+DNN4 | 257/random | - | Vis/Tgt | 2.01 | 1.85 | 5.92 | 0.467 | 0.440 | 8.56 | 8.88 | 4.40 |
Effect of CMN | |||||||||||
DS+DNN5 | 257/random | - | No | 2.15 | 1.96 | 4.80 | 0.205 | 0.155 | 12.07 | 12.55 | 4.95 |
DS+DNN6 | 257/random | - | Vis | 2.18 | 2.00 | 5.27 | 0.235 | 0.198 | 11.11 | 11.49 | 4.24 |
DS+DNN4a | 257/random | - | Vis/Tgt2 | 2.02 | 1.86 | 5.16 | 0.278 | 0.237 | 10.93 | 11.55 | 3.76 |
Effect of dynamic features | |||||||||||
DS+DNN7 | 3x257/random | Use static | No | 2.15 | 1.96 | 4.88 | 0.205 | 0.158 | 12.04 | 12.59 | 4.95 |
DS+DNN7LS | 3x257/random | LS (9) | No | 2.07 | 1.90 | 4.83 | 0.195 | 0.150 | 12.42 | 12.99 | 4.78 |
DS+DNN8 | 257-3x257/seq. | Use static | No | 2.04 | 1.86 | 4.61 | 0.193 | 0.147 | 12.64 | 13.22 | 4.62 |
Effect of clean phase | |||||||||||
DS+DNN8c | 257-3x257/seq. | Use static | No | 1.84 | 1.66 | 4.90 | 0.165 | 0.123 | 13.37 | 13.88 | - |