QED supplied a 9.75m x 4.15m (32' x 13'8") cinemascope screen and high definition projection for the latest Secret Cinema screening held at the Royal Horticultural Halls in Victoria.

The screen was suspended from an 8 x 12m goalpost truss system, draped on all sides, and was projected upon by two doubled-up Christie HD12K High Definition projectors. The rig and screening had to be completed on the one day and so an easy and quick screen solution was paramount. The lightweight construction of the AV Stumpfl Vario 64 screen system made the screen ideal for flying and for attaching the black drapes to hide the structure and to frame the screen.

The Christie HD12Ks were the ideal choice of projector, providing the highest amount of brightness possible from the limited power available on-site. The HD12K delivers 12,000 ANSI of brightness from just one 13amp supply. At this scale, and with the audience so close to the screen, the doubling had to be absolutely pixel-perfect in order to maintain the sharpness of image. Precise physical positioning and geometric correction was aided by wireless projector remote control via a Samsung Q1 wi-fi notebook PC and HME WH200 wireless talkback headsets. With 1,000 people about to arrive within the hour the benefits of reliable wireless communication and wireless control were immense, especially at a time when the room was full of atmospheric fog which meant that the screen was only viewable from right up close.

Key technical equipment

  • 1 x AV Stumpfl Vario 64 system 9.75m x 4.15m front projection screen
  • 1 x D&B Q1,Q7, B2 cinema surround sound PA system
  • 2 x Christie HD12K 3-chip DLP HD projectors
  • 1 x Barco Screen Pro II HD seamless switcher/video processor
  • 1 x dual output QED DVI/Ethernet fibre channel
  • 2 x Apple MacBook Pro computers
  • 1 x HME DX-200 wireless talkback system
  • 1 x Samsung Q1 wireless notebook PC
Photos courtesy of Barney Steel.

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