ELI5- why do screens/lights flicker in videos taken by phone or even yt vids, but not in movies and professional productions?
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in addition to all the great answers, you might be interested in this modern use of the synchronized refresh rate / recording — [https://www.reddit.com/r/nextfuckinglevel/comments/odmy22/different_channels_different_ads/](https://www.reddit.com/r/nextfuckinglevel/comments/odmy22/different_channels_different_ads/)
several different commercials are played at the same time, on the same screen. it’s recorded in a high frame rate, and broadcast in a low framerate. so different broadcasters can choose a different frame offset.
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