TABLE II:
Comparing different methods for trained numbers of speakers. (a) number of speakers, (b) interaction pattern, (c) whether trained on interaction pattern.
| Type | Max | Half | None | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (a) | (b) | (c) | Metric | SI-SNR | PESQ | ESTOI | SI-SNR | PESQ | ESTOI | SI-SNR | PESQ | ESTOI |
| 2 | 1212 | ✓ | Mix. | −0.6 | 1.67 | 51.4 | −0.7 | 1.86 | 59.5 | −1.0 | 2.28 | 71.9 |
| PIT | 11.4 | 2.64 | 76.4 | 12.4 | 2.79 | 80.3 | 14.2 | 3.04 | 86.4 | |||
| AT | 13.4 | 2.90 | 81.7 | 14.8 | 3.09 | 85.0 | 16.4 | 3.38 | 89.6 | |||
| De-AT | 12.6 | 2.86 | 80.3 | 14.5 | 3.06 | 84.3 | 16.4 | 3.39 | 89.1 | |||
| TSE | 13.8 | 2.97 | 82.7 | 15.0 | 3.12 | 85.4 | 16.9 | 3.43 | 89.3 | |||
| 1221 | ✓ | Mix. | −0.6 | 1.77 | 51.2 | −0.8 | 2.06 | 60.1 | −1.0 | 2.31 | 71.6 | |
| PIT | 11.3 | 2.71 | 76.0 | 12.5 | 2.92 | 80.5 | 14.3 | 3.06 | 86.0 | |||
| AT | 13.2 | 2.97 | 81.2 | 14.7 | 3.28 | 85.0 | 16.5 | 3.47 | 89.3 | |||
| De-AT | 12.5 | 2.95 | 80.0 | 14.5 | 3.25 | 84.4 | 16.7 | 3.49 | 88.9 | |||
| TSE | 13.9 | 3.07 | 82.8 | 15.1 | 3.32 | 85.6 | 17.1 | 3.55 | 89.1 | |||
| 122221 | ✕ | Mix. | −3.7 | 2.00 | 51.1 | −3.8 | 2.16 | 60.2 | −3.9 | 2.32 | 71.6 | |
| PIT | 11.2 | 2.83 | 76.1 | 12.5 | 2.94 | 80.5 | 14.1 | 3.03 | 85.7 | |||
| AT | 12.9 | 3.23 | 80.9 | 14.6 | 3.44 | 84.9 | 16.2 | 3.52 | 89.2 | |||
| De-AT | 12.4 | 3.22 | 80.0 | 14.5 | 3.40 | 84.5 | 16.6 | 3.53 | 89.0 | |||
| TSE | 13.8 | 3.33 | 82.7 | 15.2 | 3.49 | 85.9 | 17.1 | 3.62 | 89.5 | |||
| 3 | 1231 | ✓ | Mix. | −0.6 | 1.86 | 55.3 | −0.8 | 2.08 | 62.7 | −1.0 | 2.32 | 71.7 |
| PIT | 10.3 | 2.66 | 76.0 | 12.5 | 2.90 | 81.5 | 13.3 | 3.04 | 86.4 | |||
| AT | 13.2 | 2.97 | 82.4 | 15.2 | 3.26 | 86.0 | 16.3 | 3.46 | 89.3 | |||
| De-AT | 12.2 | 2.93 | 80.8 | 14.7 | 3.23 | 85.1 | 16.2 | 3.48 | 88.9 | |||
| TSE | 14.0 | 3.08 | 83.8 | 15.4 | 3.31 | 86.4 | 16.8 | 3.54 | 89.3 | |||
| 123231 | ✕ | Mix. | −3.6 | 1.98 | 55.6 | −3.7 | 2.14 | 62.6 | −3.9 | 2.32 | 71.6 | |
| PIT | 9.5 | 2.68 | 75.8 | 11.6 | 2.87 | 81.0 | 12.2 | 2.97 | 85.7 | |||
| AT | 12.7 | 3.07 | 82.5 | 14.6 | 3.30 | 85.8 | 15.9 | 3.50 | 89.3 | |||
| De-AT | 11.3 | 3.03 | 80.5 | 14.2 | 3.31 | 84.9 | 15.8 | 3.50 | 89.1 | |||
| TSE | 13.6 | 3.18 | 83.8 | 15.3 | 3.40 | 86.5 | 16.6 | 3.60 | 89.5 | |||