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Audiovisual

Electronic media with both a sound and a visual component

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  • 3 chapters
  • 2 labs on Lably

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Audiovisual service providers frequently offer web streaming, video conferencing, and live broadcast services. The professional audio visual industry has companies that provide hardware, software and services. These organizations are commonly referred to as systems integrators and perform both the installation and integration of different types of AV equipment from multiple manufacturers into spaces to create the AV experience for the user or audience.

Computer-based audiovisual equipment is often used in education, with many schools and universities installing projection equipment and using interactive whiteboard technology.

Components

Aside from equipment installation, two significant elements of audiovisual are wiring and system control. If either of these components are faulty or missing, the system may not demonstrate optimal performance.

Wiring is a methodology and skill that not only requires proper cable rating selection based on a number of factors, including distance to the main rack or between components, frequency and fire codes, but wires should also be out of sight, inside or behind walls, or in the ceiling, when possible. System performance also depends on the integrity of the wires. If wires become exposed or mishandled during installation, the signals may not be transmitted or received properly, which could compromise the quality. Wires should be neatly organized into the main component and properly labeled for easy reference.

Control refers to how the system will operate and how all the installed components will communicate. System automation devices from manufacturers like RTI, Crestron, Control4, AMX, Lightware and others are programmed to integrate the various components of the system and makes the system easy to use from various devices. For example, when programmed appropriately, a control system can allow a TV in one zone to automatically turn off when the music in another, nearby zone is turned on. Without proper control programming, the TV one zone would stay on, even when the music in the nearby zone is turned on.

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