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DV Filmmaking by Ian David Aronson

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Frame Rate and Video Standards

Another item to keep in mind is frame rate: the number of images that appear on screen each second. Film and video simulate motion by displaying a series of still images, one after another. Research has shown that the human brain can process a limited number of images at a time, and that if a person views more than 15 images per second, the brain interprets the series of images as a single, moving image. This phenomenon is called persistence of vision. Without this, movies wouldn’t work. They wouldn’t seem lifelike to us.

Frame rates are measured in frames per second, or fps. Higher frame rates create smoother, ...

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