It seems you have made some changes to the sound configuration, so can you please first try live booting:
http://releases.ubuntu.com/18.10/ and 19.04: http://cdimages.ubuntu.com/daily-live/current/ then tell us if they have the same problem in a live session? ** Also affects: pulseaudio (Ubuntu) Importance: Undecided Status: New ** Summary changed: - Audio stuttering + [Acer Aspire XC-603] Audio stuttering ** Changed in: alsa-driver (Ubuntu) Status: New => Incomplete ** Changed in: pulseaudio (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1817391 Title: [Acer Aspire XC-603] Audio stuttering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1817391/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs