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Absolute thresholds for the signals (dB SPL) used in the experiment for each normal-hearing listener (N1–N4) and each hearing-impaired listener (I1–I6) at the two test frequencies.
| Frequency (Hz) | Listener | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N1 | N2 | N3 | N4 | I1 | I2 | I3 | I4 | I5 | I6 | |
| 250 | 22 | 35 | 28 | 48 | 52 | 54 | 73 | 47 | 66 | |
| 4000 | 13 | 10 | 13 | 10 | 52 | 53 | 69 | 46 | 58 | 71 |
