Bracket commands aren't working in AI voiceover lines ([fast], [slow], etc)

Voiceover lines must be set to expressive mode (not standard) to use the bracket prompt commands ([fast, [slow], etc).

Verify that the line is set to expressive mode:

Hover the voice line, then hover the speaker icon:

You can change the mode in the voice picker modal:

Click the voice:
Change the mode:

Updated on: 24/04/2026