If that does not work, and you are using PulseAudio (PA), make sure that PA did not muted the stream coming from wine. Alt+Tab your wine app open the volume mixer and go to playback tab and make sure the volume for the wine app is not set to 0.
If that does not work, and you are using PulseAudio (PA), make sure that PA did not muted the stream coming from wine. Alt+Tab your wine app open the volume mixer and go to playback tab and make sure the volume for the wine app is not set to 0.