The document discusses the importance of sound in different media such as film, animation, and video games. It provides examples from specific works like the animated short "TIE Fighter", the horror short "Elf on the Shelf", the film "Kill Bill", and the video game "Battlefield V" to illustrate how sound design is used to set atmosphere, amplify action, and immerse the audience/player. Across these different examples, sound effects, music, and other audio are utilized to create distinctive audio environments and heighten the emotional impact of scenes.