Isolate what?
Not sure what you are trying to accomplish. You want people to experience a better quality mic sound? Or are you trying to make it so you can be in a VOIP program but don't want the viewers to listen? The VOIP software will have audio input, this what what you talk thru via microphone, and audio OUTPUT ie: where you want the sound to come out/listen to? If your control panel is configured properly. You can have the audio output NOT be the same device be the same one your streaming software uses.
You not being willing or too lazy to plug in headphones or a mic. No setup can fix that.
It doesn't matter if you are on a laptop or not. Connected to a TV or not.
People hearing you thru a mic connected to your laptop vs using whatever built-in mic has absolutely nothing to do with what you are broadcasting.
How do you have your audio panel configured? or the software audio output: OBS/Xsplit, Mumble, Teamspeak.
Also, not sure if this is even on topic anymore based on OP'S initial question. Does this needs to be moved to a different thread??
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