people in discord chat can hear youtube videos twitch streams and radio stream

[Mike Lynch 0]

hello all for some reason in discord chat with my friends they hear youtube videos twitch streams and radio stream on Euro Truck Simulator 2 i have a Realtek R audio version 6.0.9231.1 and driver date 31/08/2021 is there anyway to stop them from hearing these on there end i got that version from this https://www.asrock.com/MB/Intel/B360MPro4/index.asp#Download because i have an asrock Motherboard i have tried different settings in discord and restart sound to default and checked sound settings but they can still hear for some reason. anyway to fix this