I'm not sure if I have the same issue, but with Kubuntu Natty 11.04 beta the gstreamer backend produces no sound at all, only the Xine backend works properly. My audio device is:
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02) referred to as "Intel HDA (ALC889A Analog)" in the Multimedia->Phonon settings. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/351319 Title: Bug 188444 – playback is unreliable and broken in Amarok and JuK using phonon gstreamer backend -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs