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Table 9 Confusion matrix for the best valence result, three levels of valence (negative (neg.), neutral (neut.), and positive (pos.)); top, classified as; left, ground truth emotion label

From: Emotion in the singing voice—a deeperlook at acoustic features in the light ofautomatic classification

#

Neg.

Neut.

Pos.

Low

79

5

53

Mid

10

26

12

High

50

11

54