To select a language:
Type your text in your chosen language into the script box. Synthesia automatically detects the language.
If you want to change the accent for the language, click on the voice selection bar.
At the top of the selection, find the recommended voices and accents for each avatar.
Scroll through the list or use the search bar to find more voices.
If you want to find out how to translate your video, you use video translation article here.
Notes:
See the Synthesia language page to discover all supported languages.