Table 4 Performance of the room discriminant features of Section 5.1 and their combinations, in conjunction with inter-room fusion (Section 5.2) and SVM modeling (Section 5.3) for the room-inside vs. room-outside speech classification task of the second stage of the proposed algorithm
From: Room-localized speech activity detection in multi-microphone smart homes
Set | SVM | Feature | Recall | Precision | F-score | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|  | models | (∙) | \({{f}}_{\,r,{\mathcal {T}}}^{\,{\mathrm {(\bullet)}}}\) | \({{f}}_{\,r,\,{\text {avg}},{\mathcal {T}}}^{\,{\mathrm {(\bullet)}}}\) | \({{f}}_{\,{\text {home}},{\mathcal {T}}}^{\,{\mathrm {(\bullet)}}}\) | \({{f}}_{\,r,{\mathcal {T}}}^{\,{\mathrm {(\bullet)}}}\) | \({{f}}_{\,r,\,{\text {avg}},{\mathcal {T}}}^{\,{\mathrm {(\bullet)}}}\) | \({{f}}_{\,{\text {home}},{\mathcal {T}}}^{\,{\mathrm {(\bullet)}}}\) | \({{f}}_{\,r,{\mathcal {T}}}^{\,{\mathrm {(\bullet)}}}\) | \({{f}}_{\,r,\,{\text {avg}},{\mathcal {T}}}^{\,{\mathrm {(\bullet)}}}\) | \({{f}}_{\,{\text {home}},{\mathcal {T}}}^{\,{\mathrm {(\bullet)}}}\) |
DIRHA-sim | Â | (en) | 63.97 | 37.93 | 40.06 | 50.51 | 86.03 | 86.92 | 56.45 | 52.65 | 54.84 |
| Â | Â | (coh) | 47.46 | 87.41 | 88.66 | 67.90 | 77.01 | 76.05 | 55.87 | 81.88 | 81.87 |
| Â | Â | (ev) | 82.89 | 90.81 | 90.38 | 78.01 | 74.85 | 76.28 | 80.37 | 82.06 | 82.74 |
| Â | Â | (ts) | 71.91 | 86.00 | 89.35 | 52.21 | 74.46 | 79.28 | 60.50 | 79.82 | 84.01 |
| Â | Room- | (srp) | 76.76 | 79.85 | 79.25 | 53.94 | 56.44 | 60.94 | 63.36 | 66.13 | 68.90 |
| Â | specific | (ts,srp) | 80.67 | 89.33 | 90.58 | 66.72 | 79.37 | 82.97 | 73.03 | 84.05 | 86.61 |
| Â | Â | (ts,srp,ev) | 91.74 | 90.74 | 91.86 | 85.20 | 83.26 | 85.27 | 88.35 | 86.84 | 88.44 |
| Â | Â | (ts,srp,ev,coh) | 90.62 | 90.42 | 92.27 | 83.65 | 84.96 | 85.80 | 86.99 | 87.61 | 88.92 |
| Â | Â | (en,coh,ev)[34] | 89.48 | 87.65 | 90.37 | 78.90 | 81.16 | 81.69 | 83.86 | 84.28 | 85.81 |
| Â | Â | (all) | 91.14 | 89.65 | 91.40 | 83.93 | 85.30 | 85.40 | 87.39 | 87.42 | 88.30 |
| Â | Global | Â | 91.12 | 92.21 | n/a | 78.49 | 79.63 | n/a | 84.34 | 85.46 | n/a |
DIRHA-real | Â | (en) | 63.65 | 24.39 | 27.68 | 55.30 | 100.00 | 100.00 | 59.18 | 39.22 | 43.36 |
| Â | Â | (coh) | 5.61 | 71.35 | 78.99 | 100.00 | 61.67 | 57.22 | 10.62 | 66.16 | 66.71 |
| Â | Â | (ev) | 99.02 | 99.73 | 99.73 | 97.40 | 98.07 | 98.21 | 98.21 | 98.89 | 98.96 |
| Â | Â | (ts) | 68.94 | 97.44 | 97.94 | 81.42 | 95.25 | 93.41 | 74.67 | 96.33 | 95.62 |
| Â | Room- | (srp) | 85.36 | 87.91 | 80.75 | 75.50 | 77.98 | 75.29 | 80.13 | 82.65 | 77.93 |
| Â | specific | (ts,srp) | 90.28 | 94.52 | 97.33 | 91.58 | 95.32 | 86.76 | 90.92 | 94.92 | 91.74 |
| Â | Â | (ts,srp,ev) | 99.90 | 98.82 | 97.81 | 99.82 | 97.87 | 97.24 | 99.86 | 98.34 | 97.53 |
| Â | Â | (ts,srp,ev,coh) | 98.52 | 98.99 | 98.11 | 99.94 | 98.37 | 87.09 | 99.23 | 98.68 | 92.27 |
| Â | Â | (en,coh,ev)[34] | 98.25 | 99.73 | 99.50 | 99.60 | 98.64 | 90.84 | 98.92 | 99.18 | 94.98 |
| Â | Â | (all) | 98.89 | 98.85 | 95.68 | 99.94 | 98.46 | 80.21 | 99.42 | 98.66 | 87.26 |
| Â | Global | Â | 99.33 | 100.00 | n/a | 100.00 | 99.84 | n/a | 99.66 | 99.92 | n/a |