Table 3. Execution time (s), average execution time per frame (ms) and number of features for the MFCC, NMF_CC and H_CC + G_NMF parameterizations and their combinations.

Parameterization	Total execution time (s)	Average execution time per frame (ms)	Number of features
MFCC	463.72	19.72	13
NMF_CC	470.26	20.00	13
H_CC + G_NMF	590.02	25.09	14
MFCC + H_CC + G_NMF	1053.74	39.72	27
NMF_CC + H_CC + G_NMF	1060.28	45.09	27