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Christie Digital Introduces Virtual Projection at NAB: A Technical Deep Dive

Virtual projection technology aims to cut virtual production costs by 90% while maintaining creative flexibility. This projector-based alternative to LED walls captures both a final background and green screen simultaneously, eliminating expensive standby costs that have plagued traditional virtual production stages.

Companies can now film with both in-camera VFX and chroma key options in a single take, preserving flexibility for post-production.

Budget Flexibility Without Technical Compromise

Virtual projection replaces LED walls with standard projectors while delivering comparable results at a fraction of the cost.

  • A Christie 4K 50,000 lumen RGB laser projector replaces millions in LED infrastructure

  • Studios can turn equipment fully off between shoots with no recalibration needed

  • Current LED walls typically require $100,000+ monthly in standby mode to avoid recalibration

  • The system works with existing tracking solutions like Zeiss

Technical Innovation Behind the Scenes

The system employs sophisticated frame remapping to capture multiple light treatments within a single frame.

  • High frame rate systems generate more light data than standard setups

  • Cameras run at 120fps internally while outputting at broadcast standard 60fps

  • Special Phantom Track technology de-interleaves the signal to create separate outputs

  • The system is compatible with multiple rendering platforms including ASSIMILATE, TriCaster, and Christie's Pandora's Box

Industry Impact Lens

This technology arrives as many virtual production facilities struggle with unsustainable business models.

  • Multiple VP studios have closed recently due to high operational costs

  • The technology embraces rather than fights against AI and machine learning trends

  • Producers gain both creative flexibility and financial predictability

  • Existing green screen stages can be upgraded rather than replaced

Virtual projection shows how innovation can make advanced production techniques more accessible to productions of various budget levels, potentially reversing the recent contraction in the virtual production sector.

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