In real life the sound comes from all directions. But, the usual theatrical system displays it only in the horizontal plane - at the left, on the right, in front and behind. Does much more realistic Dolby Atmos the fact that each sound, the action happening on the screen comes from all directions including from above. It creates the present volume 3D acoustic picture. The sound surrounds you and moves concerning you as as if you are in the events. Surprisingly. Sometimes terribly. But it is always fascinating.