PAD system based on MFCC features and GMM-based classifier. Presentation attacks from AVspoof.

Outputs for block scores_analyzer

dev_eer 0.0566202
dev_eer_threshold 0.552121
dev_far 0.0565837
dev_frr 0.0566567
test_far 0.0561404
test_frr 0.0814204
test_hter 0.0687804
dev_negatives 38580
dev_positives 4995
test_negatives 43320
test_positives 5576
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19 MFCCs with deltas and double-deltas were used as features. Two GMMs are built for real data and spoof attacks and the evaluation score is computed as a log-likelihood between these two GMMs.

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