You can specify how much time should be given to a particular sentence/paragraph.
If you are creating timed content and the audio duration is too long,
use [Speaking Duration] to mimic the reading time.
Select a sentence/paragraph for which you want to change the speaking time.
Enter your desired speaking duration in [Voice] > [Speaking Duration] located in the sidebar menus on the right.
Your speaking duration is now set to 0.2 seconds.
Check out the exported audio sample!