Research Article
Direct Recovery of Clean Speech Using a Hybrid Noise Suppression Algorithm for Robust Speech Recognition System
Table 5
Recognition results for comparison targets.
| ā | Avg 0ā20 | Relative Imp. | | Relative Imp. |
| MFCC | 71.80 | 19.4% | 13.39 | 108.0% | SS | 72.42 | 18.4% | 25.26 | 10.3% | CMVN | 77.78 | 10.3% | 13.90 | 100.4% | STSA | 80.12 | 7.0% | 20.31 | 37.1% | AFE | 82.23 | 4.3% | 24.77 | 12.4% | MVA | 84.15 | 1.9% | 26.24 | 6.1% |
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