https://www.engadget.com/2006-05-21-immersive-communications-environment-adds-spatial-dimension-to-i.html
Immersive Communications Environment adds spatial dimension to in-game audio
May 22, 2006 - Although we some may scoff at any research that won't directly lead to a "cure for cancer," the less judgmental may appreciate a new technology being developed...
immersive communicationsspatial dimensionin gameenvironmentadds