Select your default input device for audio communication.The option to do this can be accessed by clicking on the gear icon, then heading to the Voice&Video section. This is fixed by selecting legacy mode as your default one.

The first one is when your hardware is for some reason incompatible with the latest version of the Discord sound system. several problems can arise with your Discord audio being shared with your OBS open streaming software. you can focus on your game with the audience being able to hear everything going on in the party chat, or use push to talk to filter what gets on stream, as you will automatically record Discord audio while streaming.

If you are already live, you can check with your chat if they can hear Discord audio, or if they hear other people talking in addition to yourself. To do this, head to the mixer tab of the Streamlabs app and adjust the values. Next up, you will need to make sure that your viewers can hear your microphone and audio output.

For the Discord audio to work, choose the same streaming microphone you set as default on Discord for OBS as well. You will also need to select a mic/auxiliary audio device. Set that device to be the same one used for output on Discord. Look for the option: desktop audio device 1. Afterward, you will need to do the same in Streamlabs OBS.

Streamlabs and discord