Sound in the round: Emerging 3D audio technology could give the cinematic experience a new sense of reality

摘要

A helicopter roars overhead as the sound of sirens appears in the distance, the cars drawing gradually closer before circling the building. You start to hear rain hitting the roof above you and trickling slowly to the ground. Then an almighty explosion engulfs the theatre, passing from front to back as bullets fly past your seat. Luckily, none of this is real. These are the sounds of the next generation in immersive entertainment to hit cinemas: 3D audio.