You need a sound server / mixer to have to or more apps accessing the audio hardware directly.
Gnome's one was esound, now replaced by PulseAudio. Under KDE, I don't know Alsa provides DMIX which is tricky to configure -- when flash player plays music and I'm tryin to play mp3 file I get error: Audio output unavailable device is busy https://bugs.launchpad.net/bugs/173263 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs