I played around with VB Matrix today, and that is cooool!

It's an audio routing tool by the same person that built #VoiceMeeter that lets you route your PCs audio from all kinds of sources, to all kinds of destinations. Kinda like the routing feature of a GoXLR, but turned up to 11.

It registers itself as up to 8 virtual sound devices that can each accept audio of one or more apps (you could send your music to one of them, a game's sound to another and voice chat audio to a third), lets you access all the audio devices you already have installed (like a connected microphone), and through the "VBAN" protocol by the same dev you can even add other devices to the mix - phones, other PCs, whatever you want.

And that #VBAN protocol also has a control channel to remote-control the whole app, e.g. from a Streamdeck, or possibly #HomeAssistant? I haven't looked into HA in particularily, but there's a couple of VBAN libraries, and AFAIK it's just messages sent over UDP :D