Table 1 Phone error rate (%) and sparsity (%) for different τ’s
From: Scaled norm-based Euclidean projection for sparse speaker adaptation
Ï„ | 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | 3.0 | 3.5 |
|---|---|---|---|---|---|---|---|
Phone error rate (%) | |||||||
 SI | 31.45 | ||||||
 MLLR | 21.77 | ||||||
 MAP | 17.87 | 17.76 | 17.63 | 17.71 | 17.68 | 17.94 | 18.06 |
 EPL1 | 18.19 | 17.99 | 17.99 | 18.12 | 18.26 | 18.24 | 18.37 |
 SNEP | 18.37 | 18.23 | 17.98 | 17.85 | 17.63 | 17.75 | 17.74 |
Sparsity (%) | |||||||
 MAP | 50.96 | ||||||
 EPL1 | 89.45 | 91.37 | 92.62 | 93.52 | 94.19 | 95.13 | 95.48 |
 SNEP | 87.42 | 88.72 | 89.67 | 90.46 | 91.08 | 91.60 | 92.05 |