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.
Audiovisual service providers frequently offer web streaming, video conferencing and live broadcast services.
Computer-based audiovisual equipment is often used in education, with many schools and universities installing projection equipment and using interactive whiteboard technology.
Another audiovisual expression is the visual presentation of sound (visual music).
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Project and Activities
European project PrestoPRIME
Keeping Audiovisual Content AliveThe European PrestoPRIME project aims to study and develop solutions that contribute to the creation of a framework for long-term preservation of digital audiovisual products.