Articulatory-to-Acoustic Conversion of Mandarin Emotional Speech Based on PSO-LSSVM

Table 3

Comparison of MMCD in articulatory-to-acoustic conversion based on GMM, LSSVM, and PSO-LSSVM (dB).

Acoustic feature	Emotion type	Number of samples in the test set	GMM	LSSVM	PSO-LSSVM
MFCC	Anger	29	2.21	1.98	1.44
	Happiness	32	2.12	1.69	1.49
	Neutral	28	2.46	2.03	1.50
	Sadness	23	2.88	1.96	1.63
	Average		2.384	1.825	1.508