Voice chat is not working
Make sure that the correct microphone is selected in your Steam voice settings, where you can also listen to the selected microphone to check:
If that doesn’t help, we suggest you try and change the sampling rate of your microphone in the settings window of your microphone to 2 channel, 16bit, 44100 Hz.
You can follow this video here: https://www.youtube.com/watch?v=-ketUGEm1fk
We also recommend checking the “Allow applications to take exclusive control of this device”
Game freezes when voice chat is used
Ensure your microphone is set as the default recording device. Check if you have any external microphones hooked up such as Oculus VR headsets, as they have been noted to cause hitching when set to default microphone input.
If that doesn’t help, we suggest you try and change the sampling rate of your microphone in the settings window of your microphone to 2 channel, 16bit, 44100 Hz.