>> I wonder why have you used vhq=4 xvid option - it's slower than vhq=1, >> but are you really sure it's better? I don't really remember why, but >> somehow I never liked it and used only vhq=1. > > Does it actually decrease quality? VHQ4 improves PSNR at same size, usually by more than 0.15 dB. Regards, Mathieu