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Table 4 Performances of the children test set "CH1" with and without normalization of different acoustic correlates of speech. The 95% confidence interval for the performances is 0.39.

From: Exploring the Effect of Differences in the Acoustic Correlates of Adults' and Children's Speech in the Context of Automatic Speech Recognition

Condition WER (%)
Baseline 11.37
Norm. (Speaking Rate) 10.31
Norm. (Open Quotient) 11.32
Norm. (Return Quotient) 11.28
Norm. (Speed Quotient) 11.01
Norm. (Formant Frequencies) 2.95