Threshold (dB SPL) | 60 | 329.0 ± 13.7 | 289.0 | 267–369 | 380.1 ± 36.8 | 312.5 | 272–412 | 0.2903 |
70 | 387.0 ± 36.1 | 320.0 | 276–363 | 349.0 ± 22.3 | 306.0 | 273–360 | 0.0706 |
80 | 391.0 ± 17.6 | 326.0 | 273–489 | 457.3 ± 37.8 | 320.5 | 266–539 | 0.8195 |
90 | 633.8 ± 33.9 | 586.0 | 397–758 | 731.3 ± 69.2 | 502.5 | 380–869 | 0.5794 |
100 | 887.0 ± 47.9 | 815.5 | 543–1187 | 748.4 ± 50.5 | 687.5 | 450–946 | 0.0583 |
110 | 1001.9 ± 58.7 | 954.0 | 564–1297 | 879.0 ± 54.6 | 813.0 | 546–1099 | 0.0828 |
120 | 805.2 ± 53.2 | 608.0 | 400–1220 | 880.7 ± 72.7 | 706.0 | 447–1146 | 0.7422 |
Gap detection (ISI) | 1 | 0.02 ± 0.03 | −0.0008 | −0.22 to 0.26 | 0.03 ± 0.03 | 0.06 | −0.11 to 0.27 | 0.5314 |
2 | 0.09 ± 0.03 | 0.08 | −0.13 to 0.32 | 0.08 ± 0.02 | 0.11 | −0.04 to 0.27 | 0.4421 |
5 | 0.24 ± 0.02 | 0.26 | 0.05–0.43 | 0.19 ± 0.02 | 0.23 | 0.03–0.38 | 0.1026 |
10 | 0.44 ± 0.02 | 0.49 | 0.35–0.62 | 0.33 ± 0.02 | 0.37 | 0.21–0.49 | 0.0153* |
20 | 0.54 ± 0.02 | 0.59 | 0.41–0.69 | 0.38 ± 0.02 | 0.42 | 0.26–0.56 | 0.0011** |
40 | 0.23 ± 0.02 | 0.24 | 0.10–0.41 | 0.18 ± 0.03 | 0.27 | 0.03–0.42 | 0.3753 |
80 | 0.10 ± 0.02 | 0.15 | −0.04 to 0.35 | 0.14 ± 0.02 | 0.21 | 0.04–0.34 | 0.3789 |
160 | 0.15 ± 0.02 | 0.17 | 0.01–0.38 | 0.13 ± 0.02 | 0.19 | −0.01 to 0.36 | 0.6436 |
240 | 0.15 ± 0.02 | 0.06 | −0.03 to 0.35 | 0.13 ± 0.02 | 0.19 | −0.02 to 0.34 | 0.7266 |
90° Speaker swap (ISI) | 1 | −0.05 ± 0.05 | −0.04 | −0.24 to 0.21 | −0.10 ± 0.04 | −0.05 | −0.35 to 0.15 | 0.5659 |
2 | 0.04 ± 0.04 | 0.10 | −0.16 to 0.27 | −0.04 ± 0.05 | 0.04 | −0.28 to 0.27 | 0.3390 |
5 | 0.12 ± 0.05 | 0.19 | −0.14 to 0.43 | 0.07 ± 0.05 | 0.12 | −0.13 to 0.31 | 0.5434 |
10 | 0.27 ± 0.03 | 0.26 | 0.13–0.44 | 0.11 ± 0.04 | 0.15 | −0.02 to 0.33 | 0.0823 |
20 | 0.35 ± 0.03 | 0.39 | 0.18–0.56 | 0.13 ± 0.05 | 0.19 | −0.05 to 0.42 | 0.0136* |
30 | 0.31 ± 0.04 | 0.37 | 0.12–0.54 | 0.12 ± 0.05 | 0.16 | −0.13 to 0.41 | 0.0388* |
40 | 0.26 ± 0.03 | 0.28 | 0.10–0.46 | 0.12 ± 0.05 | 0.18 | −0.09 to 0.38 | 0.1329 |
80 | 0.32 ± 0.03 | 0.36 | 0.23–0.51 | 0.16 ± 0.04 | 0.24 | −0.06 to 0.41 | 0.0809 |
100 | 0.27 ± 0.04 | 0.32 | 0.09–0.48 | 0.20 ± 0.03 | 0.19 | 0.03–0.43 | 0.4565 |
150 | 0.37 ± 0.03 | 0.42 | 0.19–0.56 | 0.23 ± 0.03 | 0.27 | 0.06–0.45 | 0.1400 |
300 | 0.25 ± 0.03 | 0.25 | 0.11–0.43 | 0.12 ± 0.04 | 0.15 | −0.06 to 0.35 | 0.1571 |
Speaker swap (angle) | 7.5° | −0.01 ± 0.02 | −0.008 | −0.21 to 0.22 | −0.04 ± 0.03 | 0.06 | −0.12 to 0.21 | 0.4647 |
15° | 0.04 ± 0.02 | 0.03 | −0.14 to 0.26 | 0.06 ± 0.02 | 0.10 | −0.07 to 0.29 | 0.6043 |
30° | 0.005 ± 0.03 | 0.04 | −0.18 to 0.23 | 0.02 ± 0.02 | 0.08 | −0.12 to 0.26 | 0.6542 |
45° | 0.10 ± 0.03 | 0.17 | −0.14 to 0.36 | 0.13 ± 0.02 | 0.17 | 0.010–0.37 | 0.3635 |
90° | 0.22 ± 0.02 | 0.24 | 0.08–0.40 | 0.12 ± 0.02 | 0.18 | −0.01 to 0.37 | 0.0228* |
Threshold SRM (dB attenuation) | 9 | 0.40 ± 0.02 | 0.42 | 0.25–0.56 | 0.27 ± 0.03 | 0.30 | 0.19–0.44 | 0.0309* |
12 | 0.48 ± 0.02 | 0.55 | 0.33–0.65 | 0.31 ± 0.03 | 0.34 | 0.23–0.47 | 0.0067** |
15 | 0.49 ± 0.02 | 0.56 | 0.37–0.65 | 0.34 ± 0.02 | 0.36 | 0.23–0.51 | 0.0153* |
18 | 0.32 ± 0.03 | 0.32 | 0.21–0.47 | 0.29 ± 0.02 | 0.32 | 0.18–0.46 | 0.6152 |
21 | 0.18 ± 0.03 | 0.21 | 0.07–0.38 | 0.17 ± 0.04 | 0.27 | −0.03 to 0.39 | 0.7820 |
24 | 0.05 ± 0.03 | 0.10 | −0.09 to 0.25 | 0.09 ± 0.03 | 0.08 | −0.11 to 0.33 | 0.5292 |
27 | −0.04 ± 0.04 | 0.04 | −0.23 to 0.19 | 0.05 ± 0.04 | 0.12 | −0.11 to 0.32 | 0.1145 |
SRM 15 dB attenuation
(angle)
| 7.5° | 0.42 ± 0.03 | 0.46 | 0.23–0.61 | 0.34 ± 0.03 | 0.40 | 0.23–0.48 | 0.2315 |
15° | 0.38 ± 0.03 | 0.35 | 0.20–0.61 | 0.30 ± 0.03 | 0.33 | 0.17–0.49 | 0.2133 |
22.5° | 0.36 ± 0.03 | 0.37 | 0.22–0.58 | 0.33 ± 0.03 | 0.40 | 0.17–0.49 | 0.6620 |
30° | 0.34 ± 0.03 | 0.40 | 0.19–0.57 | 0.31 ± 0.02 | 0.35 | 0.21–0.47 | 0.6156 |
45° | 0.41 ± 0.03 | 0.45 | 0.23–0.61 | 0.31 ± 0.03 | 0.35 | 0.15–0.47 | 0.1220 |
90° | 0.42 ± 0.03 | 0.49 | 0.27–0.64 | 0.21 ± 0.04 | 0.31 | 0.04–0.43 | 0.0030** |
SRM 24 dB attenuation
(angle)
| 7.5° | −0.02 ± 0.04 | −0.002 | −0.24 to 0.19 | 0.07 ± 0.04 | 0.11 | −0.09 to 0.35 | 0.1804 |
15° | −0.05 ± 0.03 | 0.07 | −0.16 to 0.28 | 0.06 ± 0.04 | 0.13 | −0.07 to 0.28 | 0.8865 |
22.5° | −0.006 ± 0.03 | 0.009 | −0.19 to 0.18 | −0.02 ± 0.05 | 0.11 | −0.16 to 0.30 | 0.8580 |
30° | 0.02 ± 0.04
| 0.07 | −0.20 to 0.28 | 0.04 ± 0.04
| 0.08 | −0.11 to 0.31 | 0.7420 |
45° | 0.03 ± 0.04 | 0.13 | −0.20 to 0.28 | 0.04 ± 0.04 | 0.09 | −0.11 to 0.32 | 0.8239 |
90° | 0.18 ± 0.03 | 0.24 | 0.06–0.38 | 0.18 ± 0.03 | 0.23 | −0.03 to 0.43 | 0.9639 |