AV for Lecture Room

The term audiovisual (AV, or A/V) may refer to works with both a sound and a visual component,
the production or use of such works, or the equipment used to create and present such works.
Slide-tape presentations,[1] films, and television programs are examples of audiovisual presentations,
as are most major church services and other live theater productions.

Business presentations are also often audiovisual. In a typical presentation, the presenter provides
the audio by speaking, and supplements it with a series of images projected onto a screen, either from
a slide projector, or from a computer connected to a projector using presentation software.

In the developed world, there has been a huge uptake of computer-based audiovisual equipment in the
education sector, with many schools and higher educational establishments installing projection equipment
and often using interactive whiteboard technology.

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