Lets go to basics Sylvain_07 run winecfg then go to audio tab press make sure alsa alone is selected then try test sound do you get sound. If not alsa config is most likely off. Next on the bottom of that page look at directsound. There is a hardware accelerated with full and emulation options. emulation is the most dependable. With Full on alsa tries to off load to sound card where esound would not. Esound forced emulation mode on because it provides no access to hardware. This could be the issue. A setting you have never need to set.
