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Motion

2 posts on motion.

The scroll-scrub stack: what actually makes it smooth

A scrubbed film either reads as liquid or as a slideshow being dragged, and I finally measured where the difference lives. It is the encode. One clip, three encodes, sixty seeks each: a median of 3 ms against 15 ms against 32 ms, with the whole frame budget sitting at 16.7. Here is the loop, the encode, the dead zones, and the one line that makes iPhones cooperate.

Scroll-scrubbed video, the cheapest premium feel on the web

I taught the studio toolchain the Apple-style scroll-scrub technique, then built eight live demos from five-second phone clips to prove it. What makes a scrubbed page feel premium, the plumbing nobody mentions, and where the technique actually earns its keep.

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