[amelius]

> lets you edit the video by editing the text

What would happen if you insert a word into the text?

[ragebol]

The voice is cloned by a GAN and new audio is generated, of course!

[didgeoridoo]

This is pretty much exactly what Descript.com does with its “overdub” feature. You can even choose the emotion and intonation of the generated audio. It works freakishly well.