I deleted the following package: gstreamer0.10-pulseaudio libsdl1.2debian-pulseaudio pulseaudio pulseaudio-esound-compat pulseaudio-module-bluetooth pulseaudio-module-gconf pulseaudio-module-x11 pulseaudio-utils libcanberra-pulse ubuntu-desktop
And I installed this: libsdl1.2debian-alsa Then I rebooted and increase the sound in "alsamixer" and the 5.1 works correctly now. Pulseaudio is problem. -- Impossible to read a DVD in 5.1 correctly https://bugs.launchpad.net/bugs/655112 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