| Masked Human | Masked Mannequin | ||
---|---|---|---|---|
 | Mean | SD | Mean | SD |
Low frequencies (dB) | 76.23 | 4.13 | 74.26 | 4.90 |
High frequencies (dB) | 42.23 | 6.76 | 30.74 | 4.55 |
Low/high ratio (dB) | 34.00 | 4.62 | 43.52 | 4.35 |
Duration (s) | 19.63 | 9.32 | 20.33 | 9.78 |
F0 (Hz) | 189.26 | 43.73 | 185.10 | 45.13 |
Shimmer (%) | 0.04 | 0.01 | 0.04 | 0.02 |
Jitter (%) | 0.006 | 0.001 | 0.005 | 0.004 |
HNRÂ (dB) | 21.69 | 4.29 | 20.92 | 3.13 |