Table 3 Simulation results for the four different models at different system distances with impulse response of a lecture room
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 | 12.94 | 19.33 | 6.39 | 0.80 |
| Â | B | 6.84 | 17.24 | 10.40 | 0.90 |
| Â | C | 6.84 | 17.24 | 10.40 | 0.90 |
| Â | D | 6.84 | 17.24 | 10.40 | 0.90 |
| Â | - | 0 | 0 | 0 | 0.99 |
− 30 | A | 12.94 | 19.25 | 6.31 | 0.80 |
| Â | B | 6.90 | 17.25 | 10.35 | 0.90 |
| Â | C | 6.84 | 17.24 | 10.40 | 0.90 |
| Â | D | 6.84 | 17.24 | 10.40 | 0.90 |
| Â | - | 0 | 0 | 0 | 0.99 |
− 20 | A | 12.94 | 18.82 | 5.88 | 0.80 |
| Â | B | 7.41 | 17.07 | 9.66 | 0.90 |
| Â | C | 6.88 | 16.59 | 9.71 | 0.90 |
| Â | D | 6.87 | 16.58 | 9.71 | 0.90 |
| Â | - | 0 | 0 | 0 | 0.99 |
− 10 | A | 12.94 | 17.72 | 4.78 | 0.80 |
| Â | B | 10.50 | 17.39 | 6.89 | 0.87 |
| Â | C | 6.96 | 14.80 | 7.84 | 0.89 |
| Â | D | 6.92 | 14.76 | 7.84 | 0.89 |
| Â | - | 0 | 0 | 0 | 0.98 |