There would be no “Lord of the Rings’ without motion capture. Take away the digital noise suppressors used to clean up the background sounds of classic Disney films, and your treasured copy of “Bambi’ wouldn’t sound nearly as clean. There’s a complicated and highly technical process by which the noise removal is made possible, but as honoree Steven E. Boze said Saturday night during the 75th annual Oscars Scientific and Technical Awards, “All you really need to know is that it makes it sound better.” [More]