xr-audio-tools Game Engines Unity: Audio spatializers in XR Godot: XRTools Pickable Audio Unreal: Sound spatialization in Unreal Engine SDKs Meta: Meta XR Audio SDK Apple: PHASE (Physical Audio Spatialization Engine) Google: a multi-platform spatial audio SDK Microsoft: The MRTK3 audio package is a collection of components and resources that enhance the realism of an immersive experience.