Table 10 Comparison of Word Error Rate using Vocal Tract Length Normalisation on adult and older voices. (see Figure 1).
From: Ageing Voices: The Effect of Changes in Voice Parameters on ASR Performance
Word Error Rate (WER) % | |||
|---|---|---|---|
| Â | Adult voices | Older voices |
|
Overall | 28.7 | 38.6 |
|
Male | 28.7 | 37.9 |
|
Female | 28.2 | 41.3 |
|
-value
.001
.001
.001