[omarfarooq]

Would it be possible to use prompting to change aspects of the voice output? Will the voice respond angrily if you ask to act an angry character in a play?

[prolyxis]

Yes. This was a big part of the GPT-4o demos. But likely they've specifically fine-tune it not to show negative emotions in a serious fashion.

[iLoveOncall]

You don't even have to prompt it, it will match your tone.