https://valvesoftware.github.io/steam-audio/ https://valvesoftware.github.io/steam-audio/ Looks like it uses emitter positions and a virtual head. It also has

https://valvesoftware.github.io/steam-audio/ https://valvesoftware.github.io/steam-audio/ Looks like it uses emitter positions and a virtual head. It also has the ability to utilize untextured scene geometry.