One thing you haven't mentioned trying is uninstalling PulseAudio altogether. Try that. If that fixes it, then the problem is http://bugs.winehq.org/show_bug.cgi?id=27895.
One thing you haven't mentioned trying is uninstalling PulseAudio altogether. Try that. If that fixes it, then the problem is http://bugs.winehq.org/show_bug.cgi?id=27895.