Table 1 Simulation results for the four different models at different system distances
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 | 18.22 | 7.50 | 0.86 |
| Â | B | 5.29 | 15.24 | 9.95 | 0.94 |
| Â | C | 5.24 | 15.24 | 10.00 | 0.94 |
| Â | D | 5.24 | 15.25 | 10.01 | 0.94 |
| Â | - | 0 | 0 | 0 | 0.99 |
− 30 | A | 10.72 | 18.46 | 7.74 | 0.86 |
| Â | B | 5.64 | 15.67 | 10.03 | 0.94 |
| Â | C | 5.25 | 15.27 | 10.02 | 0.94 |
| Â | D | 5.24 | 15.27 | 10.03 | 0.94 |
| Â | - | 0 | 0 | 0 | 0.99 |
− 20 | A | 10.69 | 18.03 | 7.34 | 0.86 |
| Â | B | 7.97 | 16.66 | 8.69 | 0.91 |
| Â | C | 5.35 | 14.26 | 8.91 | 0.94 |
| Â | D | 5.25 | 13.96 | 8.71 | 0.94 |
| Â | - | 0 | 0 | 0 | 0.99 |
− 10 | A | 10.77 | 16.98 | 6.21 | 0.84 |
| Â | B | 13.68 | 18.34 | 4.66 | 0.77 |
| Â | C | 6.19 | 13.05 | 6.86 | 0.91 |
| Â | D | 5.14 | 11.73 | 6.59 | 0.92 |
| Â | - | 0 | 0 | 0 | 0.95 |