Off topic: I'm reminded of a very small unit of time that was devised to be a least common multiple of various division of time like 24fps, 30fps, 44.1kHz, and a ton of others in video and audio. Does anyone remember what this unit was?

Do you mean the facebook/oculus flicks? Wonder why the repo is archived...

https://github.com/facebookarchive/Flicks

ninjaed :(