1) The document discusses changes made to the sounds used in different scenes of a film from the initial storyboard to the first draft. 2) In the opening scene, a dull hum was replaced with sharper sounds to add thrill and make the audience feel uncomfortable and on edge to fit the horror genre. 3) In one kitchen scene, silence was used to convey loneliness instead of a static noise, also making it more unsettling. A subtle hum was later added to signify the character was being watched. 4) In another scene, a child's cry was placed instead of a giggle to foreshadow future pain and suffering, and loud thumps were replaced with sharper sounds for a more