Training algorithm | Selected features | Classification accuracy (%) |
---|---|---|
‘trainrp’ | The first coefficient of MFCCs | 89.9 |
Energy at the eight, 18th, 19th, 32nd, 33th, and 35th nodes of WP tree | ||
Entropy at the first, fourth, eight, 16th, 17th, 32nd, 35th, and 39th nodes of WP tree | ||
(Feature vector length = 15) | ||
‘trainscg’ | The first and second coefficients of MFCCs | 90.7 |
Energy at the eight, 18th, 19th, 32nd, 33th, and 35th nodes of WP tree | ||
Entropy at the first, fourth, eight, 16th, 17th, 32nd, 35th, and 39th nodes of WP tree | ||
(Feature vector length = 16) | ||
‘traingdx’ | The first, second, fourth, and fifth coefficients of MFCCs | 89.9 |
Energy at the eight, 18th, 19th, 32nd, 33th, and 35th nodes of WP tree | ||
Entropy at the first, fourth, eight, 16th, 17th, 32nd, 35th, and 39th nodes of WP tree | ||
(Feature vector length = 18) |