Table 2.

Confusion matrix of MLP classifier on RAVDESS [50].

Emotion	Angry	Calm	Disgust	Fearful	Happy	Neutral	Sad	Surprised
Angry	80.77	0.96	4.81	1.92	5.77	0.96	0.00	4.81
Calm	0.00	84.09	0.00	4.55	2.27	3.41	3.41	2.27
Disgust	7.84	3.92	50.98	3.92	1.96	3.92	5.88	21.57
Fearful	10.89	0.00	0.99	63.37	7.92	1.98	9.90	4.95
Happy	7.23	4.82	1.20	4.82	73.49	0.00	0.00	8.43
Neutral	0.00	11.11	0.00	3.70	1.85	64.81	9.26	9.26
Sad	1.03	11.34	2.06	13.40	3.09	1.03	59.79	8.25
Surprised	2.86	0.00	2.86	8.57	8.57	0.00	8.57	68.57