Evaluate AI Voice Quality for African Languages
Help researchers improve text-to-speech technology by rating how natural AI-generated speech sounds. Anonymous, fast, and impactful.
- No account needed
- Takes 10β15 minutes
- Fully anonymous

How It Works
Three simple steps to contribute to groundbreaking research
01. Listen
Put on headphones and listen to short audio clips generated by AI text-to-speech systems.
02. Rate
Rate each clip on a scale of 1β5 based on how natural and human-like the speech sounds to you.
03. Contribute
Your anonymous ratings help researchers compare TTS models and improve voice tech for African languages.
Supports All African Languages
We're seeking native speakers to help evaluate AI speech quality across all underrepresented languages on the African continent
Luganda
Uganda
10M+ speakers
Krio
Sierra Leone
6M+ speakers
- π
All African Languages
Entire Continent
2000+ languages
Powerful Admin Dashboard
Manage your entire evaluation study from one clean interface. Upload audio, monitor progress, and export publication-ready data.
- Real-time MOS score distributions and analytics
- Audio sample management with multi-model support
- Rater demographics and completion tracking
- One-click data export for academic papers

Ready to Make an Impact?
Your voice matters. Help us build better speech technology for millions of African language speakers.
