It will filter even literally poking into mic
https://forums.guru3d.com/threads/nvidia-rtx-voice-works-without-rtx-gpu-heres-how.431781/
It works on non rtx gforce cards
Don’t use speaker option it will filter any ambient from games
I personally don’t have any need of it.
But for those special people with an open mic and a kid in the background it would be awesome!