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Definition: frame rate

Video is captured and played back as a sequence of static (still) images, each image being one "frame." The frame rate is the number of these frames per second. For example, movie film is shot at 24 frames per second (fps), while NTSC video is shot at 29.97 interlaced fps, and high-definition video at 30 and 60 fps. Frame rate conversion is the duplication or reduction of frames in order to display the content on a video device with a different frame rate. See fps.