Companies offering audio visual (AV) services are responsible for the supply, installation, and operation of AV equipment during an event. AV services usually include the hire of equipment such as microphones, projectors, speakers, and video recording equipment for the duration of an event.

Audiovisual (AV) is electronic media possessing both a sound and a visual component, such as slide-tape presentations, films, television programs, corporate conferencing, church services, and live theater productions.

The audiovisual works category includes movies and films, as well as slide shows, video games, and the like.

AV maintenance involves regular care and upkeep of audio-visual equipment to ensure optimal performance. It includes tasks like cleaning, inspecting connections, and updating software to prolong the life and reliability of devices such as projectors, speakers, and displays.