Fact · Accessibility and health
35percent relative word error rate improvement
The same 2019 study reported a 35 percent relative reduction in word error rate for accented speech after personalization.
Checked against its source on October 16, 2026
In the source's own words
“We train personalized models that achieve 62% and 35% relative WER improvement on these two groups”
Personalizing ASR for Dysarthric and Accented Speech with Limited Data, Joel Shor et al., Interspeech 2019, 2019, Abstract.
Open the original- What it measures
- The accented group was non-native English speakers from the L2-Arctic corpus, with about one hour of speech each.
- What it does not show
- Accent is a different problem from dysarthria. The gain is relative, and the study tested one accent corpus.