Table I.
Listeners’ age, test ear, whether they were regular hearing aid users, and their thresholds for tone detection in dB HL (re: twenty ears with normal hearing) using the Beyerdynamic DT150 headphones.
| Threshold, dB (re: 20 ears with normal hearing) |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Listener | Age | Ear | Aid? | 250 | 500 | 750 | 1000 | 1500 | 2000 | 3000 | 4000 |
| HI 04 | 74 | L | Y | 18 | 16 | 17 | 53 | 58 | 60 | 60 | 68 |
| HI 05 | 86 | L | Y | 23 | 21 | 37 | 43 | 58 | 55 | 55 | 58 |
| HI 08 | 80 | L | Y | 33 | 26 | 27 | 43 | 43 | 45 | 55 | 58 |
| HI 12 | 59 | R | Y | 23 | 26 | 27 | 33 | 48 | 55 | 55 | 68 |
| HI 13 | 61 | R | N | 13 | 21 | 17 | 13 | 28 | 35 | 40 | 28 |
| HI 14 | 57 | R | N | 13 | 6 | 2 | 13 | 33 | 35 | 40 | 38 |
| HI 15 | 60 | R | Y | 13 | 26 | 27 | 33 | 48 | 45 | 45 | 53 |
| HI 16 | 81 | R | Y | 53 | 51 | 42 | 43 | 43 | 45 | 55 | 53 |
| HI 17 | 79 | R | N | 8 | 11 | 7 | 13 | 38 | 45 | 55 | 68 |
| HI 18 | 53 | R | Y | 23 | 36 | 52 | 58 | 73 | 65 | 60 | 73 |
| HI 19 | 77 | L | N | 18 | 11 | 17 | 23 | 43 | 45 | 40 | 23 |
| HI 20 | 78 | R | Y | 18 | 16 | 12 | 38 | 43 | 45 | 65 | 73 |
| HI 21 | 76 | R | N | 13 | 11 | 7 | 8 | 28 | 30 | 45 | 48 |
| HI 22 | 44 | L | N | 33 | 31 | 27 | 23 | 43 | 45 | 55 | 48 |
| HI 23 | 75 | L | N | 18 | 16 | 17 | 18 | 33 | 30 | 55 | 63 |
| HI 24 | 70 | R | N | 18 | 16 | 17 | 18 | 38 | 30 | 30 | 33 |
| HI 25 | 76 | R | N | 28 | 21 | 17 | 18 | 28 | 20 | 50 | 43 |
| HI 26 | 63 | R | N | 23 | 16 | 17 | 13 | 33 | 55 | 50 | 48 |
| Mean | 69.4 | 21.4 | 21.4 | 21.2 | 28.0 | 42.0 | 43.8 | 50.3 | 52.5 | ||