What is pdx movie format?

PDX (Premium Digital Experience) Large Format Auditorium with DOLBY ATMOS digital sound technology, BARCO 4K LASER projection in both 2-D and 3-D and a wall-to-wall and over-sized screen. PDX (Premium Digital Experience) is the large format brand of Stone Theatres. What is the difference in shooting a movie on 35mm film, 70mm film and IMAX? 101,572 Views. Between Dolby Cinemas, IMAX, RealD 3D, and Regal RPX there are a lot of ways to watch a movie. Â The PDX theater boast a massive movie screen and a combination of 64 speakers in the walls and on the ceiling with Dolby Atmos Immersive. Originally, the theater was going to feature PDX (Premium Digital.