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Sign Language Media Glossary for Mobile Devices in BSL, ÖGS, LIS & STS

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Back Projection

This is the use of filmed images as a backdrop to the action. It can be used for special effects. For example, actors might run away from video footage of an enormous wave, or wild animal. Back projections of scenery were also commonly used to make the audience feel as if a vehicle was moving.

Advances in computer technology have now taken over from back projection.