judder


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judder

Informal chiefly Brit
abnormal vibration in a mechanical system, esp due to grabbing between friction surfaces, as in the clutch of a motor vehicle

judder

A shaking or wobbling effect in a video image. Judder is often caused by the conversion of a 24 frames-per-second (fps) movie to a 30 or 60 fps video format, or when viewing 24 fps content on a 60 Hz monitor. See telecine, flicker and adaptive sync.
References in periodicals archive ?
Through stability analysis they found that the negative friction slope produce clutch judder and that poor pedal acceleration could produce clutch judder even with a positively sloped friction characteristics.
Ideally, frame-rate conversion should interpolate perfect frames, or at least appear sharp and smooth, and with no visible artifacts or judder at normal playback speeds.
But then Davies drove into the back of him causing him to judder.
I had my back turned at the time but my girlfriend saw the ride judder and people flying off."
Dad Will, 28, said: "We heard a judder and bang, then I heard Euan scream.
There was a judder and a quick stop." Harriet Miles also described the moments leading up to the crash.
Beware accident grief, slipping auto boxes, blue smoke, brake judder and knackered ABS.
The judder is not only a safety feature it could also reduce fuel bills.
There's a good level of black tones and contrast, and although fast-moving scenes did present a little judder when viewing in 3D, the pair of glasses provided work very effectively.
Eleven viewers complained that the ad featuring the puppet "Judder Man" had frightened their under-fives.
Fortunately, the terrible animation, sporadic visual judder and dull commentary doesn't spoil what is an entertaining game.
In that area the whole car began to judder as it went over multiple bumps in the road.