This document analyzes the trailers for three horror films - The Woman in Black, The Last Exorcism Part 2, and Insidious - focusing on their cinematography, sound, mise-en-scene, and editing techniques. It discusses how the trailers employ conventions of the horror genre through their use of shots that build tension, unsettling soundtracks, settings that enhance realism and mystery, and pacing that increases suspense. The analysis provides insights into how these trailers effectively utilize visual and audio elements to immerse viewers in an eerie atmosphere and anticipate frightening events in the films.