Table 1.
Consonant-recognition scores (in rau) for individual HI and NH participants for low-pass-filtered speech at five cutoff frequencies.
| Low-pass-filter cutoff frequency (kHz) | |||||
|---|---|---|---|---|---|
| 2.2 | 2.8 | 3.6 | 4.5 | 5.6 | |
| Hearing impaired | |||||
| 1 | 82.6 | 86.6 | 83.7 | 90.3 | 87.8 |
| 2 | 77.9 | 79.4 | 81.0 | 77.4 | 80.0 |
| 3 | 66.2 | 72.1 | 74.0 | 75.4 | 73.0 |
| 4 | 78.9 | 80.5 | 79.4 | 84.3 | 80.0 |
| 5 | 71.6 | 72.5 | 77.4 | 77.9 | 80.5 |
| 6 | 81.5 | 79.4 | 86.0 | 91.6 | 88.4 |
| 7 | 83.2 | 83.2 | 84.3 | 87.2 | 84.3 |
| 8 | 67.9 | 68.4 | 69.2 | 73.5 | 74.5 |
| 9 | 76.4 | 75.9 | 77.9 | 80.0 | 84.3 |
| 10 | 68.9 | 71.6 | 71.6 | 74.5 | 74.5 |
| 11 | 81.0 | 81.5 | 81.5 | 87.8 | 87.8 |
| 12 | 62.2 | 70.7 | 70.7 | 72.5 | 71.1 |
| 13 | 65.7 | 75.4 | 75.4 | 72.5 | 74.5 |
| 14 | 76.4 | 81.4 | 84.9 | 87.8 | 89.0 |
| 15 | 77.4 | 80.5 | 83.7 | 82.1 | 86.0 |
| 16 | 80.0 | 75.9 | 83.2 | 82.6 | 85.4 |
| Normal hearing | |||||
| 1 | 74.0 | 76.9 | 82.1 | 90.9 | 87.2 |
| 2 | 73.0 | 76.4 | 77.9 | 81.5 | 86.0 |
| 3 | 71.1 | 77.4 | 79.4 | 76.4 | 77.4 |
| 4 | 69.8 | 76.4 | 78.4 | 80.5 | 80.5 |
| 5 | 70.7 | 74.0 | 71.1 | 79.4 | 77.9 |
| 6 | 60.9 | 67.5 | 67.1 | 69.3 | 72.1 |
| 7 | 63.5 | 68.9 | 72.5 | 73.0 | 77.4 |
| 8 | 57.1 | 64.0 | 66.6 | 67.9 | 67.9 |
| 9 | 65.3 | 74.9 | 77.4 | 80.5 | 81.0 |
| 10 | 70.2 | 75.9 | 83.7 | 81.5 | 87.2 |
| 11 | 67.5 | 73.5 | 74.9 | 78.4 | 79.4 |
| 12 | 65.3 | 72.1 | 76.7 | 77.4 | 78.9 |
| 13 | 67.1 | 71.1 | 72.5 | 72.5 | 78.4 |
| 14 | 77.4 | 75.9 | 84.9 | 83.7 | 86.0 |
| 15 | 60.5 | 67.1 | 64.8 | 68.4 | 78.4 |
| 16 | 66.2 | 70.2 | 77.9 | 80.0 | 82.6 |
| 17 | 69.3 | 73.5 | 73.0 | 78.4 | 77.9 |
| 18 | 76.4 | 80.5 | 80.5 | 77.4 | 80.5 |
Note. Speech was spectrally shaped with a nonindividualized gain-frequency response. For each participant, the highest score is shown in boldface type.