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At its native 24 FPS rate, film could not be displayed on 60 Hz video without the necessary pulldown process, often leading to "judder": to convert 24 frames per second into 60 frames per second, every odd frame is repeated, playing twice, while every even frame is tripled. This creates uneven motion, appearing stroboscopic.
That eliminates the stutter that occurs as the rendering engine frame rate drops below the display's refresh rate. [ 4 ] Alternatively, technologies like FreeSync [ 5 ] and G-Sync [ 6 ] reverse the concept and adapt the display's refresh rate to the content coming from the computer.
In the case of filmed material, as 120 is an even multiple of 24, it is possible to present a 24 fps sequence without judder on a well-designed 120 Hz display (i.e., so-called 5-5 pulldown). If the 120 Hz rate is produced by frame-doubling a 60 fps 3:2 pulldown signal, the uneven motion could still be visible (i.e., so-called 6-4 pulldown).
Before she was Disney’s iconic Mary Poppins or the Baker’s Wife in “Into the Woods,” Emily Blunt was just a little girl struggling with a stutter. Even today the actor still considers ...
The phenomenon is particularly apparent during slow, steady camera movements, which appear slightly jerky when telecined. This process is commonly called telecine judder. PAL material in which 2:2:2:2:2:2:2:2:2:2:2:3 pulldown has been applied, suffers from a similar lack of smoothness, though this effect is not usually called telecine judder.
Stuttering, also known as stammering, is a speech disorder characterized externally by involuntary repetitions and prolongations of sounds, syllables, words, or phrases as well as involuntary silent pauses called blocks in which the person who stutters is unable to produce sounds.
What is the "we listen and we don't judge" trend? Couples tell us if it led to any breakthroughs and a psychologist says if it's healthy.
Thus the viewer would see motion stutter twice per second. This was the common result when programs were shot on film or had film portions, edited on NTSC, and then shown in PAL countries (mostly music videos). NTSC to PAL conversion also tends to blur each film frame into the next, and so is seen as a sub-optimal way to view film footage.