1. Is is AC3 channel?

Both.

3. It is look like video driver problem. Try use other video render.
2. ProgDVB seems to ignore any changes of the Video Renderer setting - it resets to plain "Video Renderer" at startup. Strangely enough, ProgDVB.ini still shows the correct setting!

This was my ...

So far I managed to solve every problem that plagued me since I began using ProgDVB some 16 months ago. (Mostly by simply using the search function...)
But now I need help.

Registered the Elecard MPEG-2 codec yesterday. As the registrator didn't allow me to (talking about missing parts or something ...