Motion
Frame rates and smooth motion
24 frames a second, judder, 120 Hz screens and motion interpolation: why films move the way they do.
24 fps judder on 60 Hz screens, and why 120 Hz fixes it
Why 24 fps movies stutter on 60 Hz computer monitors. Learn how 3:2 pulldown creates telecine judder, and how 120 Hz ProMotion displays restore smooth cadence.
Motion interpolation and the soap opera effect, explained
What motion interpolation is, why it triggers the soap opera effect, and how modern AI frame generation compares on 120 Hz displays.
SmoothVideo Project (SVP) on Mac: features and alternatives
How SmoothVideo Project (SVP 4 Mac) works, how it hooks into players via VapourSynth, and how built-in Apple Silicon motion engines compare.
Why are movies 24 fps?
Why movies are shot at 24 frames per second instead of 60. Learn the history of sound film, the 180-degree shutter rule, and why high frame rates look weird.