Table 7 Ablation study results.
Configuration | Accuracy (%) | Precision (%) | Recall (%) | F1 Score (%) |
|---|---|---|---|---|
Full Model (FB-DNN) | 96.15 | 98 | 98 | 98 |
Without Stacked Autoencoder (SAE) | 89.5 | 91 | 90.5 | 90.75 |
Without Modified Band Pass Filter | 87.3 | 89.1 | 88.4 | 88.75 |
Without Regularization Techniques | 85.7 | 86.9 | 86.1 | 86.5 |
Raw Audio Features + DNN Only | 83.25 | 84.1 | 82.8 | 83.45 |