Table 6 Results of hearing tests obtained for the elderly listeners with normal hearing resolution threshold (TCT 50  ≥ 3.99 vowels/s)
From: Methods of Improving Speech Intelligibility for Listeners with Hearing Resolution Deficit
No | Age | Mean audiometric hearing thresholds [dB HL] | TCT50 [vowels/s] | WER [%] ROSmean3 | WER [%] ROSmean4 |
|---|---|---|---|---|---|
1 (HA) | 86 | 58.75 | 4.25 | 10 | 14 |
2 (HA) | 77 | 38.75 | 5.39 | 10 | 20 |
3 | 82 | 66.25 | 4.17 | 8 | 28 |
4 | 74 | 30.62 | 6.52 | 8 | 18 |
5 | 83 | 23.12 | 5.02 | 10 | 22 |
6 | 76 | 40 | 4.23 | 8 | 10 |
7 | 89 | 45.62 | 6.38 | 6 | 12 |
8 | 76 | 28.75 | 7.26 | 0 | 0 |
9 | 81 | 42.5 | 4.41 | 4 | 6 |
10 | 64 | 22.5 | 8.12 | 0 | 0 |
11 | 64 | 18.12 | 6.38 | 4 | 6 |
average value | 77.45 | 37.73 | 5.65 | 6.18 | 12.36 |
standard deviation | 8.05 | 15.19 | 1.37 | 3.73 | 9.07 |