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Table 7 Results obtained with ULT+WRE approach compared with the baseline. Digit Error Rate depending on the weight reestimation rules (MLE and FD) with ULT. 2 300 tests performed on BDSON corpus (clean).

From: Compact Acoustic Models for Embedded Speech Recognition

  ULT+WRE Baseline
  MLE   FD
Very compact model 3.04% 3.39% 4.96%
Compact model 2.78% 2.26% 4.32%