Table 4: Results of the acoustic analysis of the vowel /æ/ samples performed before 6 and 12, months after the implantation in children implanted before or at the age of 4 years (N = 15).
Acoustic parameter | Before CI (mean/S.D.) | 6 months after CI(mean/S.D./p) | 12 months after CI(mean/S.D./p) |
f0 (Hz) | 303.73/75.69 | 317.77/43.07/0.178 | 311.85/70.08/0.599 |
JIT (%) | 2.89/1.87 | 2.01/1.47/0.003 | 1.52/1.25 |
SH (%) | 6.27/3.78 | 4.89/1.98/0.004 | 4.14/1.98 |
NHR | 0.18/0.11 | 0.18/0.23 | 0.11/0.01/0.021 |