I was experiencing a similar issue but was able to resolve using the "Sound Preferences" accessed via System -> Preferences -> Sounds.
All options were originally set to Autodetect. After changing all to ALSA, I was able to play videos that previously had been extremely slow. -- unknown video plays in slow motion in full screen https://bugs.launchpad.net/bugs/221488 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
