Table 3:

Feature extraction hyperparameters for which the results are shown in Table 5.

Hyperparameter	Description	Range
Frame length $(\mathcal{F}=)$	Length of the frames (in samples) from which features were extracted	2k where k = 8, 9, …, 12
No. of sections $(\mathcal{S}=)$	Number of sections into which frames were grouped	1, 2, 3, 4
No. of linearly spaced filters $(\mathcal{B}=)$	Number of filters used to extract log-filerbank energies	40 to 200 in steps of 20
No. of MFCCs $(\mathcal{M}=)$	Number of lower order MFCCs coefficients retained	13, 26, 39