I've had this problem with my M-Audio Quattro USB audio device since around the beginning of the Jaunty cycle. The only combination that works without glitches for me is the combination of Daniel's 2.6.28-12.43 kernel and PulseAudio 0.9.15 from Luke Yelavich's PPA.
My alsa-info.sh output: http://www.alsa- project.org/db/?f=8f80f8323f45b0cf03366bde3fe5b1991f2e45a9 -- Crackling / scratching noise using Pulseaudio https://bugs.launchpad.net/bugs/345627 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