i don't think it's a codec problem, but the problem is the renderer inside dvbdream.
The same thing happens with altdvb and with past version of progdvb. Now i use progdvb because is updated frequently and the image in very clear.

Hi all, i have asus 7131h dvb-terrestrial and windows 7 build 7260. I have a strange problem with dvbdream only under win7 and not on Vista Sp2: the image quality is very poor. I see a lot of pixels. I tried all codecs: dscaler, cyberlink, nvidia, and all video renderers. I think it depends by the v...