The same problem on my machine. Kubuntu 12.10, KDE 4.10 RC3, SB Extigy. Scratchy sound then I switch output to 5.1 but the output stays stereo. Is there at least some workaround?
The same problem on my machine. Kubuntu 12.10, KDE 4.10 RC3, SB Extigy. Scratchy sound then I switch output to 5.1 but the output stays stereo. Is there at least some workaround?