TABLE 2.
Heart rate (HR) and audiometry values per volunteer.
| Volunteer | HR | Right ear (dB) | Left ear (dB) | ||||||||||
| 250 Hz | 500 Hz | 750 Hz | 1 kHz | 1.5 kHz | 2 kHz | 250 Hz | 500 Hz | 750 Hz | 1 kHz | 1.5 kHz | 2 kHz | ||
| 1 | 65 | 25 | 10 | 15 | 0 | 0 | 0 | 10 | 10 | 10 | 5 | 0 | 0 |
| 2 | 72 | 15 | 10 | 10 | 5 | 5 | 0 | 20 | 10 | 10 | 5 | 0 | 0 |
| 3 | 60 | 15 | 10 | 10 | 10 | 0 | 5 | 10 | 10 | 10 | 5 | 5 | 5 |
| 4 | 58 | 25 | 20 | 15 | 15 | 10 | 5 | 20 | 15 | 20 | 15 | 10 | 15 |
| 5 | 81 | 10 | 10 | 5 | 5 | 10 | 10 | 10 | 5 | 5 | 0 | 5 | 5 |
| 6 | 63 | 20 | 5 | 10 | 5 | 10 | 5 | 10 | 10 | 5 | 5 | 5 | 0 |
| 7 | 77 | 10 | 5 | 5 | 10 | 0 | 0 | 5 | 5 | 5 | 0 | 0 | 5 |
| 8 | 70 | 10 | 15 | 15 | 10 | 5 | 5 | 5 | 10 | 10 | 10 | 5 | 5 |
| 9 | 89 | 20 | 10 | 15 | 10 | 10 | 5 | 10 | 5 | 10 | 5 | 5 | 0 |
| 10 | 71 | 5 | 15 | 10 | 0 | 0 | 0 | 15 | 20 | 15 | 5 | 0 | 0 |
| 11 | 70 | 10 | 15 | 15 | 10 | 5 | 5 | 15 | 15 | 15 | 10 | 5 | 5 |
| 12 | 89 | 20 | 15 | 10 | 15 | 10 | 5 | 15 | 5 | 10 | 10 | 5 | 0 |
| 13 | 58 | 10 | 5 | 10 | 10 | 5 | 0 | 0 | 5 | 5 | 5 | 0 | 0 |
| 14 | 68 | 5 | 0 | 0 | 0 | 5 | 0 | 0 | 5 | 5 | 0 | 0 | 0 |
| 15 | 71 | 10 | 5 | 5 | 5 | 5 | 0 | 15 | 5 | 5 | 0 | 5 | 0 |
| 16 | 48 | 15 | 10 | 10 | 5 | 10 | 5 | 20 | 10 | 10 | 5 | 5 | 0 |
| 17 | 60 | 5 | 5 | 10 | 5 | 10 | 0 | 10 | 5 | 5 | 0 | 0 | 0 |
| 18 | 83 | 30 | 25 | 15 | 10 | 5 | 5 | 25 | 15 | 20 | 10 | 5 | 0 |
| 19 | 73 | 5 | 5 | 10 | 5 | 10 | 0 | 10 | 5 | 5 | 0 | 0 | 0 |
| 20 | 71 | 15 | 10 | 10 | 5 | 10 | 5 | 10 | 10 | 10 | 5 | 10 | 0 |
HR was taken at rest in each volunteer, whereas audiometry was performed from 250 Hz to 2 kHz.