Table 1.
ΔSPL and self-reported vocal fatigue, comfort, and control by panel, style, and noise conditions (across subjects). When panel = 1, panels are present; panel = 0, absent. Style = S refers to soft style, style = N, normal style, and style = L, loud or raised style. When noise = 1, babble noise is present; noise = 0, background noise.
| Condition | ΔSPL (dB) | Fatigue (%) | Comfort (%) | Control (%) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Panel | Style | Noise | s.d. | s.d. | s.d. | s.d. | ||||
| 0 | S | 0 | −11.9 | 8.7 | 25.6 | 26.2 | 57.8 | 27.3 | 48.0 | 26.0 |
| 0 | N | 0 | −2.2 | 10.8 | 34.0 | 25.6 | 69.2 | 19.9 | 72.4 | 17.8 |
| 0 | L | 0 | 5.1 | 12.5 | 55.2 | 22.5 | 46.6 | 21.9 | 53.6 | 19.8 |
| 0 | S | 1 | −2.8 | 6.6 | 30.3 | 24.2 | 44.2 | 21.7 | 45.7 | 21.3 |
| 0 | N | 1 | 3.3 | 8.5 | 30.0 | 21.5 | 58.1 | 24.0 | 63.0 | 18.8 |
| 0 | L | 1 | 9.5 | 10.4 | 59.2 | 24.7 | 34.5 | 18.3 | 40.0 | 20.6 |
| 1 | S | 0 | −11.7 | 9.0 | 26.6 | 23.0 | 48.4 | 25.2 | 47.1 | 26.3 |
| 1 | N | 0 | −2.8 | 11.0 | 24.9 | 23.7 | 71.3 | 14.8 | 68.3 | 19.8 |
| 1 | L | 0 | 4.8 | 13.0 | 55.2 | 18.7 | 52.9 | 17.4 | 59.0 | 18.1 |
| 1 | S | 1 | −3.6 | 6.5 | 30.1 | 25.4 | 40.6 | 20.8 | 44.5 | 20.3 |
| 1 | N | 1 | 2.6 | 8.4 | 30.0 | 26.8 | 56.6 | 22.6 | 65.3 | 17.3 |
| 1 | L | 1 | 9.0 | 10.8 | 63.4 | 18.4 | 35.7 | 15.8 | 44.0 | 18.2 |