Table 1. Audiometric and Hearing Aid Information of Participants with a Hearing Loss.
| Hearing Thresholds (in dB HL per frequency) | ||||||
|---|---|---|---|---|---|---|
| Subject | 0.25 kHz | 0.5 kHz | 1 kHz | 2 kHz | 4 kHz | 8 kHz |
| 1 | 45 | 50 | 50 | 50 | 55 | 65 |
| 2 | 30 | 40 | 50 | 60 | 70 | 70 |
| 3 | 30 | 35 | 45 | 55 | 70 | 75 |
| 4 | 40 | 55 | 60 | 55 | 60 | 80 |
| 5 | 50 | 45 | 60 | 70 | 70 | 80 |
| 6 | 40 | 40 | 45 | 65 | 65 | 55 |
| 7 | 40 | 55 | 60 | 60 | 65 | 65 |
| 8 | 35 | 45 | 60 | 65 | 65 | 65 |
| 9 | 35 | 50 | 65 | 60 | 60 | 65 |
| 10 | 45 | 50 | 45 | 65 | 65 | 65 |
| 11 | 30 | 35 | 35 | 55 | 70 | 65 |
| 12 | 55 | 45 | 45 | 60 | 65 | 70 |
| Rounded Compression Knee Point (in dB) | ||||||
| 0–0.55 kHz | 0.55–1.12 kHz | 1.12–1.8 kHz | 1.8–2.8 kHz | 2.8–4.5 kHz | >4.5 kHz | |
| Knee point | 51 | 48 | 42 | 42 | 39 | 36 |
| Actual Insertion Gains (in dB) across Participants (Means ± Standard Deviations) | ||||||
| 0.25 kHz | 0.5 kHz | 1 kHz | 2 kHz | 4 kHz | ||
| Program 2 (PG −10 dB) | 2.5 ± 3.0 | 3.9 ± 3.7 | 9.4 ± 2.9 | 17.2 ± 3.9 | 16.8 ± 5.3 | |
| Program 1 (PG +0 dB) | 7.3 ± 4.2 | 9.0 ± 4.5 | 15.8 ± 4.2 | 22.9 ± 4.7 | 22.7 ± 4.7 | |
| Program 3 (PG +10 dB) | 11.9 ± 5.1 | 14.8 ± 4.9 | 21.6 ± 3.5 | 29.2 ± 4.4 | 27.5 ± 4.5 | |
| Compression Ratios across Participants (Means ± Standard Deviations) | ||||||
| 0–0.55 kHz | 0.55–1.12 kHz | 1.12–1.8 kHz | 1.8–2.8 kHz | 2.8–4.5 kHz | ||
| X:1 | 2.4 ± 0.6 | 2.8 ± 0.4 | 2.5 ± 0.3 | 2.5 ± 0.3 | 2.3 ± 0.2 | |
| Attack And Release Times across Participants (Means ± Standard Deviations) | ||||||
| Attack | Release | |||||
| Program 1 (PG +0 dB) | Program 2 (PG −10 dB) | Program 3 (PG +10 dB) | Program 1 (PG +0 dB) | Program 2 (PG −10 dB) | Program 3 (PG +10 dB) | |
| Time (ms) | 8.9 ± 2.8 | 8.9 ± 2.8 | 8.3 ± 3.4 | 59.2 ± 19.5 | 58.9 ± 17.3 | 69.2 ± 14.8 |
Abbreviations: HL, hearing loss; PG, prescribed gain.