Using current development techniques multimedia application creation is an ad hoc process yielding applications rooted in particular environments. We have designed authoring and presentation facilities which manage the creation and display of interactive multimedia presentations for applications in a distributed context. We illustrate with our prototype platform and applications developed using it. 1 Introduction A multimedia environment integrates continuous media such as digital audio and video with the text and still pictures already supported in standard distributed computing environments. Workstations with bit-mapped displays and running windowing systems allow control over the presentation of visual media. Speakers allow audio to be played. Input devices such as cameras and microphones are becoming standard for the capture of audio and video. Storage services for continuous media have been developed and ATM networking technology supports the transport of multiservice traffic. U..
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