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[1] 24 fps was chosen because it was the minimum frame rate that would produce adequate sound quality. This was done because film was expensive, and using the lowest possible frame rate would use the least amount of film. [2] A few film formats have experimented with frame rates higher than the 24 fps standard.
Other conversions have similar uneven frame doubling. Newer video standards support 120, 240, or 300 frames per second, so frames can be evenly sampled for standard frame rates such as 24, 48 and 60 FPS film or 25, 30, 50 or 60 FPS video. Of course these higher frame rates may also be displayed at their native rates. [16] [17]
Frame rate (refresh rate) 60–85 fps typically, some CRTs can go even higher (200 fps at reduced resolution [22]); internally, display refreshed at input frame rate speed 60 fps typically, some gaming monitors can do up to 540 fps; internally, display refreshed at up to 540 fps [23] [24] 60 fps typically, some can do 120 fps;
When transmitted at two megapixels per frame, HDTV provides about five times as many pixels as SD (standard-definition television). The increased resolution provides for a clearer, more detailed picture. In addition, progressive scan and higher frame rates result in a picture with less flicker and better rendering of fast motion. [2]
This is a list of films with high frame rates. Only films with a native (without motion interpolation ) shooting and projection frame rate of 48 or higher, for all or some of its scenes , are included, as are films that received an official post-conversion using technologies such as TrueCut Motion.
High-motion is the characteristic of video or film footage displayed possessing a sufficiently high frame rate (or field rate) that moving images do not blur or strobe even when tracked closely by the eye. [1] [2] [3] The most common forms of high motion are NTSC and PAL video (i.e., "normal television") at their native display rates.
This accident of chance gave European sets higher resolution, in exchange for lower frame rates. Compare System M (704 × 480 at 30i) and System B/G (704 × 576 at 25i). However, the lower refresh rate of 50 Hz introduces more flicker, so sets that use digital technology to double the refresh rate to 100 Hz are now very popular.
Digital cinema equipment is now capable of handling much higher frame rates, such as 48p, 60p and 120p frame rates even in 3D, [17] along with the traditional 24p. 3D in Blu-ray is still only 24p max. 48p has twice the motion resolution of 24p, but also requires more bandwidth, data storage, and potentially illumination level.