This document provides information about sound elements in video media. It discusses the use of sound for verisimilitude and drama in TV dramas. It defines diegetic and non-diegetic sound, and explains synchronous and asynchronous sound. It also defines incidental music, mode of address, and discusses applying knowledge of sound elements to analyze video texts. Examples are provided from TV shows like The Killing and Doctor Who to illustrate different sound concepts. Learning outcomes focus on demonstrating understanding of video-based sound elements and applying that knowledge to analyze various video-based media.