Real-time Audio Occlusion And Diffraction Demonstration using UE4
Using blueprints, this is an audio occlusion and diffraction simulation running in real-time during gameplay. The red lights are a visual representation of the sounds being played.
Occlusion occurs when a sound is obstructed from the listener by an object. The sound becomes muffled.
Diffraction occurs while a sound is occluded. You are able to hear some of the sound from the edges of the obstructing object.