Table 2 Summary of mean (standard deviation) for aggregate vocal effort ratings (VER) and vocal performance measure including mean speaking fundamental frequency (F0), standard deviation of the speaking fundamental frequency (F0sd), speech level (SL), speech level (SLsd), smoothed cepstral peak prominence (CPPs).
From: Voice fatigue subtyping through individual modeling of vocal demand responses
| Â | VER | F0 (ST) | F0sd (ST) | SL (dB) | SLsd (dB) | CPPs (dB) |
|---|---|---|---|---|---|---|
PRE | 17.1 (13.9) | \(0^{\hbox {a}}\) | 1.91 (0.83) | 56.2 (5.3) | 3.56 (0.3) | 13.4 (1.4) |
5 min | 34.7* (17.7) | 2.72* (1.9) | 2.3* (0.76) | 67.0* (4.9) | 3.78* (0.2) | 13.6 (1.0) |
10 min | 36.9* (19.1) | 3* (1.96) | 2.44* (0.77) | 67.5* (4.8) | 3.77* (0.2) | 13.5 (1.1) |
15 min | 40.3* (20.5) | 2.97* (1.92) | 2.49* (0.73) | 67.6* (4.8) | 3.82* (0.2) | 13.5 (1.1) |
20 min | 42.6* (22.5) | 3.06* (1.92) | 2.52* (0.81) | 67.5* (4.7) | 3.81* (0.2) | 13.5 (1.0) |
25 min | 45.4* (24.7) | 3.17* (2.04) | 2.53* (0.78) | 67.4* (5.1) | 3.8* (0.2) | 13.7 (1.0) |
30 min | 47.6* (28.2) | 3.04* (2.02) | 2.51* (0.76) | 66.9* (5) | 3.79* (0.2) | 13.6 (0.9) |
POST | 39.8* (27.8) | 0.83* (1.34) | 2.16 (0.81) | 57.5 (5.1) | 3.63* (0.3) | 13.4 (1.4) |