unfortunately stereo mix input is automatically disabled when automic is automatically selected for notebook
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa /HD-Audio.txt so you cannot record what you are playing unless you disable the automic and enable add_stereo_mix_input by early patching if your are using a notebook -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1254884 Title: Pulseaudio: incoherent muting of GStreamer channels (mutes master, headphone and speaker, but unmutes only master) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1254884/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs