try recording in stereo with audacity to check whether the left and right channels are out of phase.
if yes, try hint inv_dmic=1 do your notebook support trrs headset Jack ? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1334617 Title: [X550LB, Realtek ALC233, Mic, Internal] not working Ubuntu 14.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1334617/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
