Heavy blows activate the “back kicker” in each seat. The film’s abundance of rock-em-sock-em fight scenes sends seats jolting back and forth. “They really sometimes go frame-by-frame to make sure that every effect, every motion, every vibration is correctly transmitted according to what you’re seeing on the screen.”Īs MacDonald describes, “Bullet Train” is “a great fit” for 4DX. “I think a lot of people assume that this is done through an automated process. This team has been doing it for so long and it’s really fascinating how they take a movie and they add the 4DX to it. “They work very closely with one another.

Then the effects team comes,” says Duncan MacDonald, head of worldwide marketing and theater development in CJ 4DPLEX’s American branch. They are then run off local servers within each location. Once a 4DX experience is finalized, the encoded instructions are wirelessly distributed to the company’s auditoriums around the world. “Then there’s the vibrations and then we have 21 different effects across all of our equipment.”Įach year, the group creates 4DX experiences for more than 30 American productions, along with 40 more titles from China, Korea and other local markets. “We have what we officially call the three degrees of freedom - our chairs move with the pitch (a forward-and-backward rolling motion), the yaw (a left-and-right turning motion) and the heave (an up-and-down elevating motion),” explains Paul Kim, senior VP of studio relations and production at 4DPLEX. Those who decide to see the film in 4DX will experience each movement onscreen as a motion in their seats, which shake and wobble to the rhythm of the action. Over the course of “Bullet Train,” Pitt will get socked, stabbed, chucked and chased as he untangles a complicated web of conflicting hit jobs. Korean parent company CJ Group first conceived of the technology as an answer to the question of how to innovate the moviegoing experience and make it more essential in the public’s eyes. With streaming and other at-home entertainment competing for consumer attention, 4DX employees see the format as an extra incentive to lure audiences to movie theaters.

Within the armrest lies a small button that allows viewers to toggle between two options: “Water On” and “Water Off.” The device serves as a harbinger – and, to 4DX novices, perhaps a warning - of the full-tilt sensory experience that is about to unfold as Brad Pitt fights for his life against an army of opposing assassins. When audience members take their seats to watch “Bullet Train” in a 4DX auditorium this weekend, they will be greeted with a choice.

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