SIMDATA | REALDATA | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Room 1 | Room 2 | Room 3 | Avg | Room 1 | Avg | |||||||
Feature | Type | Near | Far | Near | Far | Near | Far | Near | Far | |||
Kaldi baseline | MFCC | ML | 10.96 | 12.56 | 15.70 | 34.21 | 19.61 | 39.24 | 22.05 | 48.53 | 47.37 | 47.95 |
derev. | 12.41 | 14.68 | 14.03 | 27.16 | 16.39 | 33.85 | 19.75 | 47.04 | 44.57 | 45.81 | ||
GMM | +LDA+MLLT | ML | 9.46 | 11.01 | 11.51 | 22.04 | 13.08 | 28.09 | 15.87 | 39.99 | 40.67 | 40.33 |
+basis fMLLR | 7.77 | 10.00 | 9.76 | 19.28 | 11.05 | 24.90 | 13.79 | 33.00 | 35.54 | 34.27 | ||
bMMI | 7.13 | 9.61 | 9.12 | 16.19 | 10.46 | 21.98 | 12.42 | 30.69 | 35.20 | 32.95 | ||
f-bMMI | 6.27 | 8.73 | 8.28 | 14.89 | 9.37 | 19.54 | 11.18 | 28.32 | 31.31 | 29.82 | ||
f-bMMI c | 7.06 | 9.05 | 8.58 | 14.96 | 10.16 | 20.43 | 11.71 | 29.01 | 31.72 | 30.37 | ||
+SAT | ML | 8.87 | 11.21 | 9.71 | 19.89 | 10.95 | 24.04 | 14.11 | 36.06 | 36.23 | 36.15 | |
bMMI | 6.56 | 8.51 | 7.76 | 16.24 | 9.03 | 19.88 | 11.33 | 34.19 | 37.53 | 35.86 | ||
f-bMMI | 5.88 | 7.60 | 7.25 | 14.59 | 8.09 | 17.51 | 10.15 | 31.63 | 34.72 | 33.18 | ||
f-bMMI c | 6.07 | 7.82 | 7.22 | 14.89 | 8.43 | 17.51 | 10.32 | 32.38 | 35.27 | 33.83 | ||
SGMM | ML | 6.47 | 9.07 | 8.18 | 17.11 | 9.55 | 20.40 | 11.80 | 33.13 | 34.93 | 34.03 | |
bMMI | 5.53 | 7.23 | 7.00 | 14.44 | 7.76 | 17.48 | 9.91 | 31.50 | 33.36 | 32.43 | ||
bMMI c | 5.68 | 7.28 | 7.02 | 14.44 | 7.94 | 17.68 | 10.01 | 30.94 | 33.08 | 32.01 | ||
DNN | CE | 6.71 | 8.85 | 8.70 | 15.58 | 9.15 | 19.07 | 11.34 | 30.88 | 35.82 | 33.35 | |
bMMI | 5.29 | 7.06 | 6.95 | 13.09 | 7.57 | 15.53 | 9.25 | 28.45 | 32.67 | 30.56 | ||
bMMI c | 5.14 | 6.74 | 6.51 | 12.37 | 7.27 | 15.50 | 8.92 | 28.32 | 33.49 | 30.91 |