You can try resetting your audio settings back to default and seeing if that fixes it. If that doesn't work then have a look at the video below as it may also offer some guidance.
https://www.youtube.com/watch?v=4y1FAAg2BuU
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The most consistent fix I’ve found is to be in an Xbox live party and have it toggled to game chat. I’m not sure why that is. I appreciate you looking into it though, thank you!