http://bugs.winehq.org/show_bug.cgi?id=6144
Summary: Distorted sound with ALSA 1.0.12 Product: Wine Version: 0.9.20. Platform: PC OS/Version: Linux Status: UNCONFIRMED Severity: minor Priority: P5 Component: wine-directx-dsound AssignedTo: wine-bugs@winehq.org ReportedBy: elton@schiert.net
When I use ALSA-driver version 1.0.12 or 1.0.13rc1 the sound in wine-apps gets distorted. I tried several games including Diablo II, Baldurs's Gate II, Heroes of Might and Magic V,... and they all behaved the same: The sound kinda' plays but there are lots of little cracks every second. All games have acceptable sound-quality when running ALSA 1.0.11
Switching Hardware Acceleration from Full to Emulation changes nothing, but enabling Driver Emulation helps: I think the sound is not exactly as good as with 1.0.11 but it's definitely a lot better than without Driver Emulation (Note: What does Driver Emulation do anyway?).
All this only happens when using Wine's ALSA-driver. Using the OSS-driver the sound is the same as before (Note2: I don't have any OSS drivers installed on my system, just ALSA's built-in OSS-emulation).
I don't really know if this is a Wine-bug at all. I tried other native ALSA-apps like mediaplayers and as far as I can tell Wine is the only application that shows this kind of sound distortion. Anyway, here's some info on my system:
Fujitsu-Siemens M3438G Laptop Realtek/Intel High Definition Audio, chip: ALC880 Kubuntu Dapper 6.06 LTS, kernel 2.6.15-26-686 ALSA-driver module: snd-hda-intel