For some of you confused by the subtitles at the start of the video, let me explain. It was recorded with something called a camcorder. That's like a smart phone but records the video on analog magnetic tape rather than digitally, and that's pretty much all it does. The squareness of the video results from the fact that the video was recorded to be played back on square cathode ray tube monitors. I'm guessing the initial title screen was created on the camcorder and the "video calibration" message arose as an artifact of duplicating the tape on a video tape recorder (VCR). Video tapes were like Blue-Ray disks or DVDs except also analogue magnetic tapes.
- middle aged man laying down the knowledge for the next generation