Live Video Color Gamut

December 22, 2009

The other day—well, a year ago or so—I was invited to visit CBC’s digital TV studios in Montréal by the SMPTE Montréal. We were shown around, even in the somewhat small control rooms. Amongst all the displays, dials, monitors, and misc. blinkenlights, I noticed a small LCD display showing an hexagonal projection of the current show’s color gamut in YC_rC_b (or maybe YP_bP_r?), probably for quality assessment purposes. I thought it was pretty cool, actually.

example-cropped

Let’s see how we can realize this projection with as little CPU time as possible.

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