[VolumeMixer] Toggle microphone loopback to speaker

[Zren]

pactl load-module module-loopback latency_msec=1 found at http://askubuntu.com/questions/123798/how-to-hear-my-voice-in-speakers-with-a-mic

This adds a "Recording App" and an "App". Running the command echo'd 26, which is an id we can use to unload the module with pactl unload-module 26.

http://askubuntu.com/questions/355082/pulseaudio-loopback-unload-audio-output-devices

[Zren]

Could also look into Echo Cancellation as well since there's a crazy amount of feedback normally.

https://wiki.archlinux.org/index.php/PulseAudio/Troubleshooting#Enable_Echo.2FNoise-Cancelation

pactl load-module module-echo-cancel

[Zren]

Couldn't sleep. Implemented module-loopback.

https://streamable.com/pjtdh