Under the Default Format section, choose a different sample rate and bit depth and click Test.
Oh or even letting them do their homework lol.
To fix it, turning off the setting is helpful.
After that, make sure the box for Allow application to take exclusive control of this deviice is unticked.
So, to prevent any hindrance to the quality of play, the devs have temporarily disabled the feature.
In the Voice Chat Method option, players will be able to change the default Open Mic option to the Push-to-Talk version.