Some of the numbers sound bogus. How is 2ms drag latency perceived when refresh interval is at best something like 10-16 ms? How is keyboard latency supposedly so awful tolerated?
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Single-digit ms drag sensitivity was measured by these researchers using a custom-built touch input+display rig: http://www.tactuallabs.com/papers/designingLowLatencyDirectTouchInputUIST12.pdf …pic.twitter.com/xpGitBzTPc
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I wonder if it's actually the latency or just the difference in position that's perceptible. The latter could probably be masked by trivial extrapolation & motion blurring.
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True, human perception is incredibly sensitive about motion specifically. Software extrapolation is done by many stylus systems including iPad, which is fun to watch on high-speed camera especially when you veer away from a straight line!
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Iphone 6s vs samsung pencil test? Looks like the video is an ipad pro vs something different
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The apps they used w/ Samsung aren't best for low latency. OneNote/Android is a joke. S3 isn't best hardware either. I think some were used for illustration purposes.
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Would love to hear what you think are the most responsive Android drawing/stylus input apps are
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Re apps to test. Try the stock Samsung Notes; S-Note which I installed 3rd party; Lecture Notes; INKredible. (I have pro version of latter, not sure it will make a difference). I take extensive notes & screenshots w/ stylus. EMR I like > active stylus.
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I also have a Note 9 & Samsung Galaxybook. I'd love to see a test on the Note 9. My experience is excellent, while love to see the numbers on that. Forgot to mention Google Keep for app.
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Very interesting piece! One sidenote: displays don't refresh globally, but in general in from top to bottom (not just old crt's, LCD as well). Best case latencies are therefore much lower, even more so when v-sync is not used.
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Great article Mark. Very insightful. Mark
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I remember when I bought Samsung 244T LCD, and had problems with mouse for a while due to that LCD's display lag.
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Cool article. (As read and typed/swyped on my Note 9)
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2/ whereas for touch input the only way you know that your action has had a result is when you see something change. Perhaps this is mitigated by haptic feedback from touch screens? It would be interesting to know
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You have incorrect og:url tag.
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Fixed, thanks for the report
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excellent article. and fast loading as well
. loved the article about Dossier. back on reading the rest. pure gold.Thanks. Twitter will use this to make your timeline better. UndoUndo
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awesome, thanks!
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