An AV (audio-visual) system integrates audio and visual technologies to enhance communication, presentation, and entertainment. These systems are designed to capture, process, transmit, and display sound and images for a specific purpose or environment.

Core components typically include sources (like microphones or media players), processing equipment (mixers, switchers), amplifiers, and output devices (displays, projectors, loudspeakers), all interconnected and often managed by a control system.

Common applications or types of AV Systems include:

• Corporate & conferencing systems for meeting rooms, boardrooms.
• Educational AV systems for classrooms, lecture halls.
• Live event & staging systems used in concerts, presentations.
• Digital signage AV systems – advertising, informational displays.
• Residential & home theater AV systems.

Professional AV (audio visual) systems are planned, created, and documented using AV design software.