Professional Foley artist John Roesch has spent almost four decades inventing sounds for movies. Working at Skywalker Sound in Marin County, California, Roesch has provided sound effects for hundreds of movies, from E.T. the Extra-Terrestrial (1982) to Frozen (2013), using a warehouse full of amazing props and strange inventions to imitate creaking doors, footsteps, birds in flight, and more.

In the short video “Where the Sounds From the World’s Favorite Movies Are Born,” WIRED goes behind the scenes with Roesch at the newest Foley stage at Skywalker Ranch. Roesch explains that being a Foley artist takes creativity, a discerning ear, and the ability to mentally separate sounds from images. “Detail is our business. We want to make sure that whatever we see on that screen, we are making the most honest representation thereof sonically,” he says. “When I look at a scene, I hear the sounds in my head.” Check out the behind-the-scenes video above to learn more about the fascinating and exclusive world of Foley artists.

[h/t WIRED]

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