4 ms·
is 'judder' a synonym for 'jank'?
by chrisweekly 8y ago
is 'judder' a synonym for 'jank'?
- beefsack 8y agoNo, "judder" is like a shaking or vibrating, "jank" just means bad quality.
- singlow 8y agoJank has a more specialized meaning here, related to delays in UI rendering that cause frames to be dropped intermittently which reduces the smoothness of motion. Judder is a perceived vibration or motion aliasing caused by the incoherence of consecutive frames at a fixed sample rate.
- jblow 8y ago‘judder’ refers to dropped frames in a fixed-frame-rate application, frames that are not dropped but are rendered too late, or, more generally, variance in frame rate of a program that should be smoothly animating.
- Aeolun 8y agoI think ‘jank’ would refer to the same thing, as soon as it lasts longer than a few frames. E.g. the program runs consistently otherwise, but somehow freezes for 0.5s every minute or so.
- deleted 8y ago[deleted]
- lloeki 8y agoMy intuitive interpretation has been that `jank` is related to frame dropping but with time perception being constant (like sampling being insufficient yet played at correct times) whereas `judder` also has a sort rubberbanding effect on time, where time is perceptutally compressed or dilated as playback is delayed or "catches up", with frame dropping happening upon e.g a deadline being missed. Here, with frames 2 and 4 being costly to render: normal: F1....F2....F3....F4....F5....F6 jank: F1....F2..........F4..........F6 judder: F1....F2........F3....F4......F6
- taneq 8y agoThis use of 'judder' is what I would call 'jitter'. 'Jank' I'd just call 'skipped/dropped frames'. I never realised how much this terminology varies between groups, I think it's fascinating!