Fact · Languages and accents
30 to 50percent relative increase
Recent evaluations, which the HiACC authors cite, show that ASR models have a 30 to 50 percent relative increase in word error rate on code-switched speech compared with monolingual input.
Checked against its source on October 17, 2026
In the source's own words
“Recent evaluations have shown that ASR models experience a relative increase in Word Error Rate (WER) of 30–50 % when exposed to code-switched speech compared to monolingual input”
HiACC: Hinglish adult & children code-switched corpus, Shruti Singh et al., Data in Brief (via PubMed Central), 2025, Abstract.
Open the original- What it measures
- The authors use the figure to motivate a Hinglish corpus for adults and children.
- What it does not show
- This is a relative increase cited from other evaluations, not a result the HiACC authors measured. The engines and datasets behind it are not named in the abstract.