Research Article
Robust Digital Speech Watermarking For Online Speaker Recognition
Table 3
The effect of robust watermarking on the performance of speaker verification for different speech databases.
| Database | System | EER (%) without robust WM | EER (%) with robust WM |
| TIMIT | i-vector + MFCC | 0.71 | 4.52 | i-vector + LPRC | 1.45 | 1.59 | GMM-UBM + MFCC | 0.79 | 2.39 | GMM-UBM + LPRC | 1.90 | 5.24 |
| MIT | i-vector + MFCC | 15.04 | 15.34 | i-vector + LPRC | 24.20 | 24.20 | GMM-UBM + MFCC | 46 | 46.02 | GMM-UBM + LPRC | 49.43 | 49.66 |
| MOBIO | i-vector + MFCC | 45.96 | 46.20 | i-vector + LPRC | 46 | 47.80 | GMM-UBM + MFCC | 46.66 | 47.33 | GMM-UBM + LPRC | 47 | 47.59 |
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