| Trained/Tested on | PCM/GSM-FR | PCM/G.723.1 | GSM-FR/PCM | G.723.1/PCM | |
| i-vector | Spec. | 80.2% | 85.3% | 85.7% | 84.9% |
| Sen. | 92.3% | 86.7% | 89.3% | 86.6% | |
| Prec. | 86.5% | 89.0% | 89.6% | 88.8% | |
| Acc. | 87.2% | 86.1% | 87.8% | 85.9% | |
| F1 | 89.3% | 87.9% | 89.4% | 87.7% | |
| x-vector | Spec. | 83.5% | 76.5% | 75.3% | 84.7% |
| Sen. | 76.5% | 76.5% | 76.5% | 65.9% | |
| Prec. | 82.3% | 76.5% | 75.6% | 81.2% | |
| Acc. | 80.0% | 76.5% | 75.9% | 75.3% | |
| F1 | 79.3% | 76.5% | 76.0% | 72.7% | |
| LSTM | Spec. | 84.1% | 80.9% | 83.9% | 85.1% |
| Sen. | 77.0% | 81.1% | 80.6% | 74.3% | |
| Prec. | 78.4% | 71.5% | 77.2% | 80.9% | |
| Acc. | 81.0% | 81.0% | 82.6% | 80.1% | |
| F1 | 77.7% | 76.0% | 78.8% | 77.4% | |
| SVM-linear | Spec. | 69.7% | 70.5% | 79.2% | 86.7% |
| Sen. | 92.8% | 91.4% | 82.6% | 73.2% | |
| Prec. | 80.8% | 81.0% | 84.5% | 88.3% | |
| Acc. | 83.1% | 82.6% | 81.2% | 78.9% | |
| F1 | 86.4% | 85.9% | 83.5% | 80.0% | |
| SVM-rbf | Spec. | 72.8% | 71.0% | 82.6% | 85.3% |
| Sen. | 92.4% | 91.2% | 82.2% | 77.9% | |
| Prec. | 82.4% | 81.2% | 86.7% | 87.9% | |
| Acc. | 84.2% | 82.7% | 82.4% | 81.0% | |
| F1 | 87.1% | 85.9% | 84.4% | 82.6% | |