● Preparation room, press room, etc
Lighting control room: This is a limited requirement for conferences, but lighting control could be incorporated into a projection room at the rear of the auditorium, minimum size 2 m to 3.5 m.
Sound control room in this case an open room preferably at rear of the auditorium adjacent to the lighting control room, minimum size 2 m to 3.5 m.
Screens: Increasingly, back-projection screens are being used. In this case the projection room will be behind the platform rather than behind the audience. Back projection for video, film and slide requires wide-angle lenses but allows more freedom for speaker
Figure 15: Flowchart showing movement around an auditorium
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