Yes, he will be modulating the LEDs much faster than the video framerate. It's common to do this at hundreds of Hz, relying on persistence of vision (in the eye, and in the camera) to make each LED appear to fade.
Yes, he will be modulating the LEDs much faster than the video framerate. It's common to do this at hundreds of Hz, relying on persistence of vision (in the eye, and in the camera) to make each LED appear to fade.