Fact · Speech recognition
Kacprzak and Fraś conclude that without number normalization, a comparison between two recognizers can be misleading.
Checked against its source on October 17, 2026
In the source's own words
“we have shown that the lack of number normalization can produce a misleading system”
The Hidden Cost of Digits: Number Normalization and WER in ASR Systems, Stanisław Kacprzak and Mieszko Fraś, arXiv (eess.AS), AGH University of Krakow, 2026, Conclusion.
Open the original- What it measures
- The comparison in question is between systems that write numbers as digits and systems that write them as words.
- What it does not show
- The conclusion is about number formatting. It does not cover punctuation or casing.