Whether two-dimensional IMAX film, or three-dimensional IMAX 3D film, its very clear and bright images and crystal clear surround sound entertainment to the audience physically and mentally.
At last, the cases of threedimensional surrounding sound systems with cube array and triangular pyramid array models by using these formulas are illustrated for example in this paper.
文中导出了正方排列和正三角梭锥（正四面体）排列两种型式的三维（立体）声系统作为这组公式应用之例。
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The brain USES subtle differences in loudness, tone and timing between our two ears to localize sound sources in three-dimensional positions (horizontal, vertical, and distance).