This paper describes some multi-media tools, which have been developed for recording audio-graphic presentation material for publication in an html reference environment, i.e. "On the web". The tools comprise two Macintosh applications and two Netscape plug-ins. The presentation model, which is used as a basis for the recorded lectures, closely follows the model of delivery used in a lecture theatre itself. The presenter arrives with a set of pre-prepared slides and has a device for displaying those slides and a means for annotating them with hand drawn text and diagrams. In addition voice is used to reinforce the slides and animations presented. The paper describes the applications, the technology used to provide low-bandwidth streaming and the likely applications.
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