So, when you set discord audio to the default it uses the default communication device which cannot be changed from tray.
This is so, because windows have a default playback device for app sounds and a default communication device for voice chat, but you can only change the default playback device from tray. However, if you want to change the audio output device, you need to go to the discord settings and change it there as well. It works very well if you have only one device, or you only use headphones for voice calls. Discord gives the option to set the audio output to default or one of your devices. The main reason to create this was a problem with audio settings in discord. If you have troubles with the discord audio settings, this might help. A windows service for switching the default communication device automatically, when the playback device is changed
