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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