Table 5.

Summary of related work.

Author	Database Size	Number of Emotions	Subjects	Gender-Dependent	Classifier	Features
Amiya Kumar	4200 utterances	7	5 native speaker	No	SVM	Statistic
Zhaocheng Huang	12 h	4	professional actors	No	GMM	Intrinsic
Zixing Zhang	18,216 utterances	11	51 children	No	SVM	Intrinsic
Arti Rawat	10 utterances	5	5 people	No	NN	Intrinsic
Ya Li	535 utterances	7	10 professional actors	No	SVM	Statistic
Jinkyu Lee	12 h	4	professional actors	Yes	RNN	Intrinsic
Kunching Wang	1584 utterances	4	professional actors	No	SVM	Statistic
Weishan Zhang	1200 utterances	6	professional actors	Yes	DBN	Statistic