Sound editing and sound mixing are two categories that are closely tied though the difference isn’t always understood; but it’s the sound editors that effectively create the sounds, and the mixers put the sounds together into the final mix that plays in the theater. For Peter Jackson’s final installment of The Hobbit, supervising sound effects editor Brent Burge said that the major sounds challenges included working with the dragon, Smaug, a cast of Orcs and other creatures for the final battle scene. For Ridley Scott’s biblical film Exodus, the sound team’s challenges included a locust swarm and a big group of frogs. In contrast, the work on Unbroken was about engulfing the viewer in WWII hero Louie Zamperini’s true story and putting them in the locations of the movie