Pattern Recognition Methods and Features Selection for Speech Emotion Recognition System

Table 7

-nearest neighbours classification accuracy for different combinations of emotions [%].

Train 2/test	Train 1
	Anger	Boredom	Disgust	Fear	Happiness	Sadness	Neutral state
Anger	—	91.2	90.3	89.8	81.1	94.7	92.4
Boredom	92	—	70.4	67.7	75.9	61.6	64.6
Disgust	49	55	—	59.7	51.8	71.2	56.6
Fear	46.9	60.3	56.5	—	47.8	75.1	68.2
Happiness	31.9	78	72.7	73.1	—	86.1	78.7
Sadness	89.2	70.5	84.8	79.7	89.6	—	81.1
Neutral state	79.8	40.5	70.6	66	77.4	65.7	—