Research Article
Comparative Evaluation of Single-Channel MMSE-Based Noise Reduction Schemes for Speech Recognition
Table 3
Results of cepstral domain algorithms on AURORA2.
| | Test A | Test B | Test C | A-B-C AVG |
| | C | M | C | M | C | M | C | M |
| C-LSA | 75.68 | 87.81 | 77.06 | 86.85 | 76.94 | 89.25 | 76.56 | 87.97 | C-LSA + gSNR | 75.17 | 89.42 | 77.44 | 88.95 | 75.82 | 90.04 | 76.14 | 89.47 | C-LSA + | 76.37 | 88.23 | 77.74 | 87.06 | 77.30 | 89.38 | 77.14 | 88.22 | C-OMLSA | 72.69 | 89.00 | 75.85 | 88.60 | 73.62 | 90.28 | 74.05 | 89.29 | C-OMLSA + gSNR | 70.67 | 89.72 | 74.19 | 89.61 | 71.26 | 90.64 | 72.04 | 89.99 | C-OMLSA + | 72.86 | 89.09 | 76.06 | 88.71 | 73.69 | 90.42 | 74.20 | 89.41 |
|
|