Table 1.
Participant-independent settings of the multi-channel compressor used to provide the prescribed gain.
| Channel # | # of bins | Low cutoff freq (Hz) |
High cutoff freq (Hz) |
Center freq (Hz) | Audiometric frequencies in channel |
Initial compression threshold (dB) |
Expansion threshold (dB) |
T attack (ms) | T release (ms) |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 0 | 182 | 91 | 125 | 31 | 25 | 55 | 550 |
| 2 | 1 | 182 | 545 | 364 | 250, 500 | 42 | 32 | 55 | 550 |
| 3 | 1 | 545 | 909 | 727 | 750 | 38 | 28 | 28 | 280 |
| 4 | 1 | 909 | 1273 | 1091 | 1000 | 31 | 21 | 18 | 180 |
| 5 | 1 | 1273 | 1636 | 1455 | 1500 | 29 | 19 | 14 | 140 |
| 6 | 2 | 1636 | 2363 | 2000 | 2000 | 30 | 20 | 10 | 100 |
| 7 | 2 | 2363 | 3091 | 2727 | 3000 | 27 | 17 | 7 | 70 |
| 8 | 3 | 3091 | 4181 | 3636 | 4000 | 25 | 16 | 6 | 60 |
| 9 | 5 | 4181 | 5999 | 5090 | -- | 23 | 17 | 4 | 40 |
| 10 | 6 | 5999 | 8181 | 7090 | 6000, 8000 | 22 | 18 | 3 | 30 |
| 11 | 5 | 8181 | 9999 | 9090 | 9000 | 20 | 17 | 3 | 20 |
| 12 | 4 | 9999 | 11635 | 10817 | 10000 | 20 | 17 | 3 | 20 |