Table 1.
Results of acoustic analysis (mean± standard deviation) for /a/, /i/, and /u/ sustained vowel phonation from males and females
| Male |
Female |
|||||
|---|---|---|---|---|---|---|
| /a/ | /i/ | /u/ | /a/ | /i/ | /u/ | |
| % jitter | 0.537±0.458 | 0.348±0.254 | 0.401±0.307 | 0.355±0.140 | 0.413±0.436 | 0.740±0.668 |
| % shimmer | 2.656±1.375 | 1.491±0.859 | 2.939±2.245 | 1.638±0.522 | 1.314±1.045 | 3.520±3.723 |
| SNR, dB | 20.490±4.404 | 26.138±3.660 | 24.293±5.477 | 23.893±2.875 | 26.682±3.554 | 25.035±6.265 |
| F0, Hz | 112.980±18.361 | 117.160±21.979 | 117.925±66.713 | 207.505±19.151 | 211.465±32.381 | 213.483±29.928 |
| D2 | 1.881±0.360 | 1.622±0.235 | 1.592±0.255 | 1.624±0.151 | 1.652±0.265 | 1.607±0.154 |
| K2 | 0.180±0.007 | 0.154±0.050 | 0.135±0.034 | 0.172±0.054 | 0.151±0.005 | 0.141±0.049 |
Percent jitter, percent shimmer, SNR, F0, D2 and K2 measures were collected for each signal.