A workaround that atleast helped for me is located at https://wiki.archlinux.org/index.php/Advanced_Linux_Sound_Architecture#Crackling_sound_with_USB_devices
Add options snd-usb-audio nrpacks=1 To the end of /etc/modprobe.d/alsa-base.conf Then reboot -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/995090 Title: [USB-Audio - USB Audio CODEC, playback] Underruns, dropouts or crackling sound To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/995090/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
