From: On the use of speech parameter contours for emotion recognition
Parameter
Overall accuracy
HMM (S-I) (%)
HMM (MP) (%)
GMM (%)
Pitch (F0)
32.5
33.3
28.4
Glottal (Fg, Ag)
33.7
37.4
31.4
Vocal tract (F1−3, A1−3)
31.6
29.9
33.1