Table 2. The precision improvement and the comparison of time and accuracy loss brought by different window shifting granularity.

Window size	Accuracy enhancement (%)	Time increase (%)	EER increase (%)
0.1	27.7	101.8	0.5
0.2	32.1	40.1	1.7
0.3	33.6	13.0	0.7
0.4	29.1	2.0	2.6