Table 13 Experimental results on the simulated reverberant data by using NN training dataset ‘5s.20u’
Method | Frame selection | Acoustic model | Digit accuracy (%) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Set A | Set B | Avg. set A | Avg. set B | Avg. | |||||||||
Office | EvHall | InCar | LivingR | Lounge | JPstyR | ConfR | BathR | ||||||
Proposed (24 NNs) | skip1 8-1-0 | Clean | 98.6 | 66.3 | 98.8 | 89.8 | 90.1 | 95.2 | 92.7 | 91.5 | 88.4 | 92.4 | 90.4 |
Multi-rt | 97.4 | 95.6 | 97.8 | 97.4 | 92.1 | 97.3 | 96.1 | 94.5 | 97.1 | 95.0 | 96.1 | ||
Cln+mlt-rt | 97.6 | 94.2 | 98.0 | 97.0 | 93.5 | 97.7 | 96.5 | 94.2 | 96.7 | 95.5 | 96.1 | ||
Proposed (24 NNs) + CMN | skip1 8-1-0 | Clean | 97.7 | 67.8 | 98.4 | 86.0 | 93.3 | 93.4 | 92.4 | 86.6 | 87.5 | 91.4 | 89.5 |
Multi-rt | 96.6 | 94.7 | 96.8 | 96.2 | 94.7 | 96.5 | 95.9 | 93.6 | 96.1 | 95.2 | 95.7 | ||
Cln+mlt-rt | 97.1 | 94.7 | 97.1 | 95.2 | 94.1 | 96.2 | 96.2 | 92.5 | 96.0 | 94.7 | 95.4 | ||