recording from external mic? - No sound. recording silence or random buzz noise? - random buzz noise. Please refer to the attachment external-mic-sound.wav recording from internal mic although the external is selected? - No. Please see the following description[1]
[1] select internal mic, unplug external mic: there is recorded sound select internal mic, plug external mic: there is recorded sound select external mic, unplug external mic: silent (mic amplitude > 100%) select external mic, plug external mic: ramdom buzz similar to the attachment external-mic-sound.wav ** Attachment added: "external-mic-sound.wav" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1414706/+attachment/4312891/+files/external-mic-sound.wav -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1414706 Title: [20ALCTO1WW, Realtek ALC292, Black Mic, Left][Lenovo ThinkPad X240] external mic has no sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1414706/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
