Audiovisual systems refer to the combination of sound and visual components used to enhance communication and presentation. These systems typically include devices such as microphones, speakers, projectors, and screens to deliver information effectively in various settings, including classrooms, conference rooms, and entertainment venues. These systems can be simple, like a home theater setup, or complex, like those used in large auditoriums or stadiums. They often integrate technology such as video conferencing tools and digital signage to facilitate interaction and engagement, making them essential for modern communication and entertainment experiences.