Mux AVI with MP4 / Quicktime stuff into MP4

[TheRandomOne]

I edited some MP4 files with Virtual Dub. Using Direct Stream Copy & Smart Rendering. I have AVI files that are in sync. So how can I make these AVI files into MP4. So that they can be joined & merged etc

[poisondeathray]

mp4box (gui's are mymp4boxgui, yamb) , ffmpeg, lsmash

[blud7]

you can even use MeGUI as a front-end or even Hybrid. Lots of choices.