Fact · Languages and accents
343hours
The STT4SG-350 corpus holds 343 hours of Swiss German speech from all dialect regions.
Checked against its source on October 17, 2026
In the source's own words
“It contains 343 hours of speech from all dialect regions and is the largest public speech corpus for Swiss German to date.”
STT4SG-350: A Speech Corpus for All Swiss German Dialect Regions, Michel Plüss et al., Proceedings of the 61st Annual Meeting of the ACL (Volume 2: Short Papers), 2023, Abstract.
Open the original- What it measures
- Speakers read Standard German sentences and translated them into Swiss German, so the audio is dialect speech.
- What it does not show
- A public corpus, but a fixed set of sentences. It is training and test data for research, not a product benchmark.