| Trained/Tested on | PCM/GSM-FR | PCM/G.723.1 | GSM-FR/PCM | G.723.1/PCM | |
| i-vector | Spec. | 78.2% | 87.9% | 85.6% | 85.6% |
| Sen. | 94.7% | 92.1% | 92.6% | 89.7% | |
| Prec. | 81.3% | 88.4% | 86.5% | 86.2% | |
| Acc. | 86.5% | 90.0% | 89.1% | 87.6% | |
| F1 | 87.5% | 90.2% | 89.5% | 87.9% | |
| x-vector | Spec. | 82.4% | 76.5% | 72.9% | 78.8% |
| Sen. | 78.8% | 76.5% | 78.8% | 71.8% | |
| Prec. | 81.7% | 76.5% | 74.4% | 77.2% | |
| Acc. | 80.6% | 76.5% | 75.9% | 75.3% | |
| F1 | 80.2% | 76.5% | 76.6% | 74.4% | |
| LSTM | Spec. | 81.7% | 74.4% | 83.7% | 82.2% |
| Sen. | 82.4% | 86.4% | 78.5% | 76.8% | |
| Prec. | 81.5% | 69.4% | 85.0% | 83.8% | |
| Acc. | 82.1% | 79.3% | 80.9% | 79.3% | |
| F1 | 82.0% | 77.0% | 81.6% | 80.2% | |
| SVM-linear | Spec. | 81.5% | 70.6% | 83.8% | 90.6% |
| Sen. | 84.7% | 90.3% | 83.5% | 70.0% | |
| Prec. | 82.1% | 75.4% | 83.8% | 88.1% | |
| Acc. | 83.1% | 80.4% | 83.7% | 80.3% | |
| F1 | 83.4% | 82.2% | 83.7% | 78.0% | |
| SVM-rbf | Spec. | 82.1% | 76.8% | 86.8% | 89.7% |
| Sen. | 88.2% | 91.8% | 80.3% | 77.4% | |
| Prec. | 83.1% | 79.8% | 85.8% | 88.3% | |
| Acc. | 85.1% | 84.3% | 83.5% | 83.5% | |
| F1 | 85.6% | 85.4% | 83.0% | 82.4% | |