RC escribió: Hi! >> If the original video already has 5.1 sound, but is NOT coded with >> AC3, is enough to add "-channels 6" > Yes, but channel order is likely to be completely wrong. And is there a way to automagically fix it? Thanks for all your other answers. -- Nos leemos RASTER (Linux user #228804) raster at rastersoft.com http://www.rastersoft.com