Fact · Accessibility and health
1 millionspeech samples
Google says its Project Relate app is built on research that used over a million speech samples recorded by participants.
Checked against its source on October 16, 2026
In the source's own words
“made possible by over a million speech samples recorded by participants of our research effort”
A communication tool for people with non-standard speech, Julie Cattiau, Google blog, 2021, Introduction.
Open the original- What it measures
- Testers are asked to record a set of phrases, which the app uses to learn how they speak.
- What it does not show
- Google's own description at launch. It does not give the share of samples from people with stuttering or dysarthria.