microphone echo

Hi I hope someone can help me. I'm brand new when it comes to recording and using OBS. I've recorded some of my sims game through OBS. its worked and i can hear the game audio and my commentary however it is echoing. How do i get the echoing to stop? I do not have a mic or headset as its a...

So I decided I would LP Shin Megami Tensei Persona via emulator with my friend as Co-comm, we have two headsets plugged into my friends computer and are set to separate sources, the problem is that there is microphone echo coming from my headset during playback because I have 2 channel audio, my...