[argyllcms] Re: Compatibility with i1 (Eye One) Display Pro 3 retail and OEM?

  • From: János, Tóth F. <janos666@xxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Wed, 7 Mar 2012 14:57:18 +0100

> [An interesting question is what is the period of Plasma Dithering is ? ]

Almost nothing is constant with plasma.

There are usually 60 frame refreshes (for US TV but differs for 50Hz
EU TV and ~24Hz Blu-Ray contents) but every refresh is divided into
~10 sub-fields (the actual number may differ between picture modes and
even according to the actual average picture level of the frame) and
every sub-fields are built up from numerous small pulses (the first
sub-field pulses less times than the last one but we talk about
roughly ten to thousands of small pulses).

So, in an RGB pixel, the Red sub-pixel may pulses more times than a
green pixel. And these pulses can happen at different points in time
(during a full frame refresh) with different lengths.

And then there is the over-laying spatial/temporal dithering with the
full frame refresh periodicity.

Other related posts: