Table 2 Confusion matrix for classifying human versus non-human audio signals
From: Discriminant non-stationary signal features’ clustering using hard and fuzzy cluster labeling
Classes | Total | TF + soft labeling | TF + GMM | MFCC + GMM | ||||
|---|---|---|---|---|---|---|---|---|
Human | Non-human | Human | Non-human | Human | Non-human | |||
Human | (n) | 40 | 40 | 0 | 37 | 3 | 40 | 0 |
(%) | 100 | 100 | 0 | 92.5 | 7.5 | 100 | 0 | |
Non-human | (n) | 40 | 3 | 37 | 8 | 32 | 17 | 23 |
(%) | 100 | 7.5 | 92.5 | 20 | 80 | 42.5 | 57.5 | |