Table 8.

Deep learning models training, validation, and testing computational times in each fold in each dataset.

	First dataset [2]				Second dataset (OSR Dataset) [6]				Third dataset [9]
Method	DNN	CNN	RNN	LSTM	DNN	CNN	RNN	LSTM	DNN	CNN	RNN	LSTM
Time (Second)	20.20	22.60	35.08	32.64	40.32	41.92	218.96	44.52	21.01	21.16	53.76	45.60