Mumble positional audio integration.
https://www.mumble.info/downloads/
Open Settings -> Audio Output -> Positional Audio
Make sure Enable and Headphones are enabled.
Copy following settings:
Open Settings -> Plugins
Make sure Link to Game and Transmit Position is enabled.
Scroll down and find Link plugin, make sure Enable, PA and KeyEvents are enabled for it.
Dont forget to click Apply before closing.
WWYDF and his GTFO OpenPA mod, which i used as a reference for making this mod.
Xikrili and CharlesE2 for helping me test and troubleshoot during the development.