league voice

any one having this problem every time im with my friends in group i can hear them and talk in the client thats normal but when the game starts (in game not loading screen)few min later like 3 or 2 idk i get disconnected for league voice but in my screen im still connected (i know im disconnected coz my friends tell me i have disconnected) later when the game ends the client too gets this issue i can fix it and restart the client but it keeps happening in game i cant do nothing and i hate to typing