try mute the right channel of Cature Switch if the left and right of digital mic is out of phase
Simple mixer control 'Capture',0 Capabilities: cvolume cswitch penum Capture channels: Front Left - Front Right Limits: Capture 0 - 31 Front Left: Capture 0 [0%] [-16.50dB] [on] Front Right: Capture 0 [0%] [-16.50dB] [off] !!Advanced information - PCI Vendor/Device/Subsystem ID's !!------------------------------------------------------- 00:1b.0 0403: 8086:27d8 (rev 02) Subsystem: 1025:034a your PB notebook SSISD 0x1025:0x034a seem same as Gateway LT27 which have inveted digital mic https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/patch_realtek.c?id=1801928e0f99d94c55e33c584c5eb2ff5e246ee6 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1245340 Title: Internal michrophone works only in System testing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1245340/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs