Its job is to keep the QTRU moving at a consistent speed and to help keep the film’s video in sync with its audio.
Why emulate a piece of 20yr old PalmPilot software instead of writing a new one?
the answer is simple: it works. And it’s not like it’s a booming industry in need of reinvention. There are only 30 theaters worldwide that can even show a full 70mm print like Oppenheimer, 19 of them in the US. Most IMAX experiences are digital now,