AC3 filter and 5.1 sound in movies

hello, i have a problem with the 5.1 sound. When i play a movie with ac3 5.1 sound the rear speakers are’nt working. i have configure the ac3 filter for 5.1 sound but still not working. when i make a test with the creative software all speakers are fine. i have a audigy se and logitech g51.

(sorry for my bad english)

thx !

Did you try to install again the audio card drivers? maybe this solve :slight_smile:

i try it. Now i see that the 5.1 sound working fine when i play 5.1 mkv videos.