General preferences
Default voices, playback speed, and Ask questions languages.
Settings → General controls defaults applied to new documents and question behavior.
Voice settings
Voice
Sophie
Nathan
Emma
Mode
EcoCloud
Default voices
Set preset voices for:
- Narrator: primary reading voice
- Questioner: question lines in conversational content
- Expert: explanatory passages
Defaults apply when you import or create new documents. Change voices anytime in the reader.
Default playback speed
Choose 0.5×, 1×, or 2× as the starting speed for new documents. On the playback bar, you can adjust speed up to 2.5× for the current session.
Ask questions languages
- Voice input: same as document or a fixed STT language
- Assistant replies: same as your question or a fixed response language
See Question language settings.