Just to give more insight about this, I just tried a live USB with 18.04.03 and the results are similar: the sound is extremely low, but with no distortion whatsoever.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1850702 Title: [Samsung Notebook 7 Pro, Realtek ALC256, headphone jack] Headphone sound is faint and distorted (but works fine in Windows) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1850702/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs