This technology could also allow an orchestra patron sitting behind a cloaked column to hear music as clearly as one in an unobstructed spot.

• 如运用同样的技术把音乐厅某根柱子包裹起来，则坐在柱子后面的人欣赏交响乐的时候，根本没有觉得前面有大柱子的遮挡，音响清清楚楚。