Research Article

Estimation and Statistical Analysis of Human Voice Parameters to Investigate the Influence of Psychological Stress and to Determine the Vocal Tract Transfer Function of an Individual

Table 2

A comparison of computed formant frequencies for child vowel /a/.

Formant numberBy rootsBy responseBy PRAAT

1532.5546.9549.5
21194.11196.31259.4
31807.91801.81872.6
43903.83911.13893.7