Here's an exceptional behind-the-scenes featurette that talks about the sound and foley work in Gravity. One interesting note…the Foley artists used transducer contact mics to create many of the sounds in the film…that is, they recorded vibration from contact, not airborne audio, which is similar to how astronauts would experience sound in space. They also talk about using Dolby Atmos to fine-tune panning and positioning of audio, and how that helped to mirror the disorientation of on-screen characters. It's a fascinating piece, watch below.

http://soundworkscollection.com/videos/gravity