I asume what you're refering to is https://vdo.ninja/ and https://ndi.tv/ for sharing model been most common for indie collabs. Source: over 1 year ago

Https://vdo.ninja/ I've seen people use this to share models at consistently high quality. A video call works. https://ndi.tv/ I've seem a few people use for spout2 images which are better resource wise and very decent quality. And there are a few other solutions. Source: over 1 year ago

My church uses a popular church software called ProPresenter to mix together a live video camera feed + words and lyrics to an NDI video signal, NDI.tv has a tool that I am able to easily capture and convert the video signal into a virtual camera, but Im currently battling through figuring out how to capture the audio signal. Source: almost 2 years ago

Hey guys! I made some further changes to my open source software that creates video scopes for a NDI stream. Source: about 2 years ago

I do not use a Video Capture Card, instead I opted to use NDI (ndi.tv) tools to transmit video over my 1gbps ethernet. I remember seeing an audio option (which I've never used), and thought...wait...this may be a perfect use-case for the new 'audience mix' output from the Mix Create Software. I was still able to use the physical 3.5mm Line from my Stream-PC to my Game-PC without interference, but disconnected... Source: over 2 years ago

Liveu.tv Check out the LU800. I believe it does return video. They have awesome support just reach out to them. You could do a rental to test. Source: over 2 years ago