Table 6.
Acoustic feature analysis: duration, loudness, and spectrum differences in auditory attention systems
| Variable | Mean (SD) | SE | CV | 95% CI | r | p value |
|---|---|---|---|---|---|---|
| Duration1) | ||||||
| Bottom up | 2.00 (1.33) | 0.19 | 0.66 | 1.6–2.39 | 0.19 | 0.091 |
| Top down | 1.45 (1.09) | 0.19 | 0.75 | 1.04–1.86 | ||
| Loudness2) | ||||||
| Bottom up | 65.55 (4.36) | 0.63 | 0.06 | 64.27–66.83 | 0.11 | 0.316 |
| Top down | 66.71 (5.29) | 0.96 | 0.07 | 64.74–68.69 | ||
| Spectrum1) | ||||||
| Bottom up | 1811.34 (2457.25) | 358.42 | 1.35 | 1089.86–2532.81 | 0.32 | 0.005 |
| Top down | 4164.5 (4231.33) | 772.53 | 1.01 | 2584.49–5744.5 |
Statistical analysis; 1) Mann–Whitney U-test, 2) t-test