jamkazam (https://jamkazam.com/ https://jamkazam.com/) is commercial product that does this. They also make custom hardware optimized for latency and streaming.

jamkazam (https://jamkazam.com/ https://jamkazam.com/) is commercial product that does this. They also make custom hardware optimized for latency and streaming. I used it a few years ago (before the custom hardware was available) and getting all the members' hardware configured was a bit of a pain, but the potential was there.