The soundtrack isn't directly on the 70mm film, it's digital and sort of manually synced to the film. I believe IMAX film and IMAX digital uses the same soundtrack and the same standards but obviously the room dimensions and other properties will have some influence on the outcome.
USB.org has a 373 page pdf on cable and connector specifications, to start with.
Actually never noticed that before. I would only use it occasionally for the search function.
It brings up this search interface
The soundtrack isn't directly on the 70mm film, it's digital and sort of manually synced to the film. I believe IMAX film and IMAX digital uses the same soundtrack and the same standards but obviously the room dimensions and other properties will have some influence on the outcome.
Wouldn't even be surprised if they had a conspiracy about atomic clocks and Trump's nuclear arms documents.