Table 1 Time domain features for swallowing sounds
From: The effects of increased fluid viscosity on swallowing sounds in healthy adults
Neutral position | Chin-tuck position | |||||
|---|---|---|---|---|---|---|
Feature | Water | Nectar-thick | Honey-thick | Water | Nectar-thick | Honey-thick |
apple juice | apple juice | apple juice | apple juice | |||
σ | 0.54±0.03 | 0.42±0.02 | 0.54±0.03 | 0.54±0.02 | 0.54±0.02 | 0.54±0.02 |
ν | −1.34±0.22 | −0.80±0.20 | −1.04±0.34 | −1.53±0.41 | −2.19±0.59 | −0.69±0.43 |
ϖ | 92.5±17.1 | 96.1±16.7 | 173±43.1 | 157±37.5 | 300±57.7 | 227±41.6 |
ρ ∗ | 98.7±0.04 | 99.0±0.04 | 99.1±0.06 | 98.1±0.14 | 98.5±0.10 | 98.7±0.05 |
L Z ∗ | 6.14±0.15 | 5.78±0.16 | 5.61±0.18 | 7.45±0.29 | 6.39±0.26 | 5.98±0.20 |