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The term audio-visual support (AVS) may refer to works with both a sound and a visual component, the production or use of such works, or the equipment involved in presenting such works. Films and television programs are examples of audio-visual presentations.
Business presentations are also usually audio-visual. 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 a presentation program (software).
The term audio-visual is used usually as industry jargon, expressing works with a type of visual and/or audio format. In the developed world, there has been a huge uptake of computer-based audio-visual equipment in the education sector, with many schools and higher educational establishments installing projection equipment and often using interactive whiteboard technology.