You'll need to use a more aggressive downscale; 645kbps might be able to run 360p at 30fps; you're trying for 700p and that just won't work. I'd also recommend dropping from 128kbps to 96kbps (or even lower) audio to free up that bitrate for potentially more video rate.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.