Category Archives: Art

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Speed of Light Salford : Long Exposure Video Effects

In February I was approached by the nice chaps at BBC R&D in Manchester
to work on their custom light painting system.

The system takes an SDI feed from a live camera and applies GLSL shaders to
the video in real time. I produced an application to run on the BBC’s bespoke
broadcast systems, and developed a long exposure GLSL fragment shader for
live video.

The system was first used to produce moving long exposure shots for the
fantastic NVA : Speed of Light Salford event. I think it’s fair to say that
the event was a big success and everyone was generally quite happy.

The whole process was documented on Blue Peter – check it out!