Table 2 Simulation results for the four different models at different system distances with incorrect system parameters after a room change
From: Residual feedback suppression with extended model-based postfilters
System-distance/dB | Model | Ps | Pr | (Pr−Ps) | STOI |
|---|---|---|---|---|---|
| Â | Â | /dB | /dB | /dB | Â |
− 40 | A | 10.72 | 18.08 | 7.36 | 0.86 |
| Â | B | 5.29 | 14.26 | 8.97 | 0.94 |
| Â | C | 5.28 | 14.22 | 8.94 | 0.94 |
| Â | D | 5.28 | 14.23 | 8.95 | 0.94 |
| Â | - | 0 | 0 | 0 | 1.00 |
− 30 | A | 10.72 | 17.90 | 7.18 | 0.86 |
| Â | B | 5.41 | 13.90 | 8.49 | 0.94 |
| Â | C | 5.28 | 13.75 | 8.47 | 0.94 |
| Â | D | 5.28 | 13.73 | 8.45 | 0.94 |
| Â | - | 0 | 0 | 0 | 1.00 |
− 20 | A | 10.74 | 17.14 | 6.40 | 0.86 |
| Â | B | 6.60 | 14.00 | 7.40 | 0.93 |
| Â | C | 5.30 | 12.42 | 7.12 | 0.94 |
| Â | D | 5.26 | 12.29 | 7.03 | 0.94 |
| Â | - | 0 | 0 | 0 | 1.00 |
− 10 | A | 10.73 | 16.41 | 5.68 | 0.86 |
| Â | B | 11.47 | 16.60 | 5.19 | 0.83 |
| Â | C | 5.63 | 11.24 | 5.61 | 0.93 |
| Â | D | 5.20 | 10.41 | 5.21 | 0.93 |
| Â | - | 0 | 0 | 0 | 0.99 |