Originally Posted by dk75
Do you use PulseAudio audio output?
It worked great at Ubuntu 9.10 for me and with ALSA backported from Ubuntu 10.04 I had HDMI audio to.
Then I've installed 10.04 - no HDMI audio at all and jumpy playback.
Then installed 10.10 - no HDMI audio at all and jumpy playback.
I've kicked out rtkit package, disabled virtual PulseAudio device for simultaneous playback (used it all the time with 9.10) and changed audio output from PulseAudio to ALSA and I have smooth playback now.
yes but I doubt it's that as these benchmarks are done with no audio output.