Research Article

Modulation Spectra Morphological Parameters: A New Method to Assess Voice Pathologies according to the GRBAS Scale

Table 4

Confusion matrices related to absolute best results in MS parameters and MFCCs. and are target labels while and are predicted labels.

Grade Roughness
ā€ƒ0 1 2 3 ā€‰0 1 2 3

MS Morphological Parameters
0 28 1 0 1 0 38 1 0 0
1 3 3 1 0 1 3 1 2 0
2 1 1 11 1 2 1 0 13 1
3 3 0 4 293 3 1 1 20

MFCCs
0 27 0 2 1 0 35 0 1 3
1 2 0 5 0 1 3 0 3 0
2 0 0 13 1 2 1 0 9 5
3 0 0 6 303 1 0 2 22