Skip to main content

Table 5 Performances of the children test set "CH1" with and without normalization of different acoustic correlates of speech in various combinations. 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 + Pitch)

9.48

Norm. (Speaking Rate + Formant Freq.)

2.37

Norm. (Pitch + Formant Freq.)

3.70

Norm. (Speaking Rate + Pitch + Formant Freq.)

3.55

Norm. (Rate + Formant Freq.)

2.28

(Using "Back Off" Procedure)

 

Norm. (Pitch + Formant Freq.)

2.46

(Using "Back Off" Procedure)

 

Norm. (Speaking Rate + Pitch + Formant Freq.)

2.25

(Using "Back Off" Procedure)

Â