Table 2.
Division frequencies (Hz) for bandpass filters for all experimental conditions. Division frequencies are shown for 24 channel conditions; division frequencies for the 8 and 4 channel conditions can also be derived from the table.
| Unshifted vowels and consonants | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Corner frequency | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Analysis (31 mm from base) | 180 | 214 | 274 | 330 | 395 | 468 | 550 | 644 | 751 | 872 | 1010 | 1166 | 1343 | 1545 | 1773 | 2032 | 2327 | 2661 | 3040 | 3471 | 3960 | 4514 | 5144 |
| Carrier (0 mm shift=31 mm from base) | 180 | 214 | 274 | 330 | 395 | 468 | 550 | 644 | 751 | 872 | 1010 | 1166 | 1343 | 1545 | 1773 | 2032 | 2327 | 2661 | 3040 | 3471 | 3960 | 4514 | 5144 |
| Shifted vowels | |||||||||||||||||||||||
| Analysis (31 mm from base) | 170 | 203 | 239 | 279 | 322 | 370 | 423 | 482 | 547 | 618 | 696 | 783 | 849 | 984 | 1101 | 1229 | 1370 | 1526 | 1698 | 1888 | 2098 | 2328 | 2583 |
| Carrier (0 mm shift=31 mm from base) | 170 | 203 | 239 | 279 | 322 | 370 | 423 | 482 | 547 | 618 | 696 | 783 | 849 | 984 | 1101 | 1229 | 1370 | 1526 | 1698 | 1888 | 2098 | 2328 | 2583 |
| Carrier (3 mm shift=28 mm from base) | 334 | 383 | 437 | 497 | 563 | 636 | 717 | 805 | 903 | 1011 | 1130 | 1261 | 1406 | 1566 | 1742 | 1936 | 2150 | 2386 | 2646 | 2933 | 3250 | 3599 | 3984 |
| Carrier (5 mm shift=26 mm from base) | 486 | 551 | 623 | 702 | 789 | 885 | 991 | 1108 | 1237 | 1379 | 1536 | 1709 | 1899 | 2110 | 2342 | 2598 | 2880 | 3191 | 3534 | 3913 | 4331 | 4791 | 5299 |
| Shifted consonants (limited set) | |||||||||||||||||||||||
| Analysis (31 mm from base) | 258 | 427 | 663 | 997 | 1469 | 2135 | 3078 | ||||||||||||||||
| Carrier (2 mm shift=29 mm from base) | 458 | 692 | 1018 | 1470 | 2097 | 2969 | 4179 | ||||||||||||||||