Research Article
Estimation of Phoneme-Specific HMM Topologies for the Automatic Recognition of Dysarthric Speech
Table 4
Recognition accuracies obtained with different training schemes for the baseline SD ASR systems across all dysarthric speakers.
| Speaker | Training scheme 1 | SD Bakis-1 | SD Bakis-2 | SD Ergodic | Average scheme 1 |
| FB | 77.73 | 72.93 | 76.42 | 75.69 | MH | 73.80 | 69.43 | 73.36 | 72.20 | BB | 75.69 | 63.30 | 69.27 | 69.42 | LL | 69.20 | 67.86 | 66.96 | 68.01 | JF | 60.89 | 48.00 | 55.56 | 54.82 | RL | 50.67 | 48.44 | 43.56 | 47.56 | RK | 44.30 | 15.35 | 25.44 | 28.36 | BK | 13.27 | 6.64 | 26.99 | 15.63 | BV | 48.64 | 50.91 | 43.64 | 47.73 | SC | 44.55 | 19.55 | 27.73 | 30.61 |
| Speaker | Training scheme 2 | SD Bakis-1 | SD Bakis-2 | SD Ergodic | Average scheme 2 |
| FB | 72.49 | 63.76 | 65.94 | 67.40 | MH | 66.38 | 58.95 | 57.64 | 60.99 | BB | 69.72 | 54.13 | 62.39 | 62.08 | LL | 64.73 | 57.14 | 62.05 | 61.31 | JF | 49.78 | 43.11 | 52.00 | 48.30 | RL | 51.11 | 42.67 | 44.89 | 46.22 | RK | 38.16 | 39.04 | 39.47 | 38.89 | BK | 31.42 | 18.58 | 36.28 | 28.76 | BV | 55.91 | 53.18 | 47.73 | 52.27 | SC | 44.09 | 43.18 | 48.18 | 45.15 |
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