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SMPTE timecode ( / ˈsɪmptiː / or / ˈsɪmtiː /) is a set of cooperating standards to label individual frames of video or film with a timecode. The system is defined by the Society of Motion Picture and Television Engineers in the SMPTE 12M specification. SMPTE revised the standard in 2008, turning it into a two-part document: SMPTE 12M-1 ...
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]
The resulting 25 frame/s video can then be transferred into a non-linear editing system at 25 frame/s, maintaining the 1:1 frame correspondence between film frames and video frames. Once in the non-linear editing system, the editing system, knowing that the material actually originated 24 frame/s rather than at 25 frame/s, will replay it at the ...
1 ns: The time needed to execute one machine cycle by a 1 GHz microprocessor 1 ns: The time light takes to travel 30 cm (11.811 in) 10 −6: microsecond: μs One millionth of one second 1 μs: The time needed to execute one machine cycle by an Intel 80186 microprocessor 2.2 μs: The lifetime of a muon
1 ⁄ 500 s and 1 ⁄ 250 s: Used to take sharp photographs of people in motion in everyday situations. 1 ⁄ 250 s is the fastest speed useful for panning; it also allows for a smaller aperture (up to f /11) in motion shots, and hence for a greater depth of field. [8] 1 ⁄ 125 s: This speed, and slower ones, are no longer useful for freezing ...
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For a clock traveling at 0.3 c, the elapsed time measured by the observer is 5.24 meters (1.75 × 10 −8 s), while for a clock traveling at 0.7 c, the elapsed time measured by the observer is 7.00 meters (2.34 × 10 −8 s).
The Frenet–Serret formulas are frequently introduced in courses on multivariable calculus as a companion to the study of space curves such as the helix. A helix can be characterized by the height 2π h and radius r of a single turn. The curvature and torsion of a helix (with constant radius) are given by the formulas.