On Thu, 24 Jul 2008 16:38:22 +0200 Tobias Brockamp <tobiasbrockamp at gmx.de> wrote: > I tried this all out and using mplayer the green noise isn't there > but all mencoder lines results with green noise, so it seems to be a > problem with mencoder.? I expect you are using vertical dimentions that aren't multiples of 16. DON'T DO THAT!