Chen says that while all of these projection systems rely on presenting different images to the right and left eyes, their projection formats differ. When screening a typical 3D film, cinemas simply project the copy of the film the producer has prepared specifically for them.
程智誼指出，各式放映系統雖均採「左右眼分治」的原理，但其配合的檔案播映格式卻各自不同，若播出一般 3D 電影時，還可以輕鬆使用片商事先為其量身訂作的檔案拷貝，但在一切講求與現場同步的 3D 直播中，就沒有辦法以相同的模式比照辦理。