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. 2020 Jun 23;21:564. doi: 10.1186/s13063-020-04469-x

Table 1.

Frequency mapping of an Advanced Bionics CI speech processor with the standard clinical FAT (left) and an example of an experimental FAT as set up in this study (right) where x = disabled and - = not applicable

Standard FAT Experimental FAT
Electrode pair Lower bound Upper bound Bandwidth Electrode pair Lower bound Upper bound Bandwidth
Phantom 238 640 402
1–2 238 442 204 1–2 640 862 222
2–3 442 578 136 2–3 862 1055 193
3–4 578 646 68 3–4 1055 1383 328
4–5 646 782 136 4–5 1383 1770 387
5–6 782 918 136 5–6 1770 2124 354
6–7 918 1054 136 6–7 2124 2544 420
7–8 1054 1257 203 7–8 2544 3155 611
8–9 1257 1529 272 8–9 3155 3720 565
9–10 1529 1801 272 9–10 3720 4412 692
10–11 1801 2141 340 10–11 4412 5176 764
11–12 2141 2549 408 11–12 5176 6244 1068
12–13 2549 3025 476 12–13 6244 7239 995
13–14 3025 3568 543 13–14 7239 8598 1359
14–15 3568 4248 680 14–15 x x
15–16 4248 8054 3806 15–16 x x