(to Scott:) Did you upgrade from Gutsy? Hardy uses pulseaudio by default, but 
during upgrade it wasn't always automatically enabled for each user; one needs 
to go to the sound settings and enable 'Enable software sound mixing (ESD)'. 
When pulseaudio isn't playing audio, it may release the audio device so ALSA 
applications can grab it. But if you're playing music or have a Youtube movie 
opened in Firefox for example, wine's ALSA module won't be able to open the 
device since it's in use by pulseaudio. The solution is then to use OSS in wine 
with padsp. In short:
- make sure pulseaudio is active
- play something using totem/rhythmbox/whatever
- output audio in wine (it'll fail unless OSS is used with padsp)
solution:
* install 32bit libpulsedsp.so in /usr/lib32
* run `padsp winecfg` and select OSS output (check that wave in&out have a 
pulseaudio device)
* run your wine sound application using `padsp wine mysoundapp.exe`

-- 
No sound in wine under amd_64
https://bugs.launchpad.net/bugs/210572
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