The addition of 3D spatial audio means players can hear the direction of sound effects when playing.
"Final Fantasy 14's Patch 6.4, The Dark Throne, is available today. It includes an update to Embody's official Immerse Gamepack that adds 3D spatial audio to the game.
The audio pack has been out for some time, but the latest update is a major overhaul that improves the sound quality, has smoother sound transitions, and makes environmental sounds clearer for an improved ambient experience."
Read the full review @ Eurogamer.net