Microphone Problems

Hello, i got a mic problem on rust, When im freshly logged in to a server people can hear me, but after playing for like 20 minutes, my mic stops working and noone can hear me. i got Logitech g430 and it says in console that im using the right mic. it works on every other applications like skype, ts3, mumble, and other steam games… does anyone know a fix or something for this? please help :(((