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Cinerama is the trademarked name for a widescreen process which works by simultaneously projecting...

Cinerama is the trademarked name for a widescreen process which works by simultaneously projecting images from three synchronized 35 mm projectors onto a huge, deeply-curved screen, subtending 146° of arc. It is also the trademarked name for the corporation which was formed to market it. It was the first of a number of such processes introduced during the 1950s, when the movie industry was reacting to competition from television. Cinerama was presented to the public as a theatrical event, with reserved seating and printed programs, and audience members often dressed in best attire for the evening. The Cinerama projection screen, rather than being a continuous surface like most screens, is made of individual vertical strips of standard perforated screen material, each about 7/8 inch (~22 mm) wide, each strip angled to face the audience, so as to prevent light scattered from one side of the deeply-curved screen from washing out the image on the other side. The display is accompanied by a high-quality, seven-track discrete directional surround sound system. The original system involved shooting with three synchronized cameras sharing a single shutter. This was later abandoned in