Table 1.
Values of the second, third, and fourth formants (in Hz) of the synthesized stimuli used in the perceptual task.
| Stimulus number | F2 | F3 | F4 |
|---|---|---|---|
| 1 | 1,922 | 2,509 | 3,550 |
| 2 | 1,892 | 2,469 | 3,500 |
| 3 | 1,862 | 2,429 | 3,450 |
| 4 | 1,832 | 2,389 | 3,400 |
| 5 | 1,802 | 2,349 | 3,350 |
| 6 | 1,772 | 2,309 | 3,300 |
| 7 | 1,742 | 2,269 | 3,250 |
| 8 | 1,712 | 2,229 | 3,200 |
| 9 | 1,682 | 2,189 | 3,150 |
| 10 | 1,652 | 2,149 | 3,100 |
For all stimuli, F1 = 364 Hz, F5 = 4,000 Hz, B1 = 48 Hz, B2 = 55 Hz, B3 = 60 Hz, B4 = 50 Hz, and B5 = 100 Hz. Stimulus 1 is the prototypical /e/ and stimulus 10 is the prototypical /ø/.