[geeks] Whee! Lightning strikes, AGAIN!

[Phil Stracchino]

Joshua Boyd wrote:
> Not quite.  The chroma sampling is often reduced, so while each pixel
> has its own luma sample, adjacent pixels may share chroma samples.
> 4:2:2, which is NTSC, uses half the chroma samples.  4:1:1 and 4:2:0 use
> 1/4th the chroma samples.

Not for nothing is NTSC sardonically known as Never The Same Color...



-- 
  Phil Stracchino, CDK#2     DoD#299792458     ICBM: 43.5607, -71.355
  alaric at caerllewys.net   alaric at metrocast.net   phil at co.ordinate.org
         Renaissance Man, Unix ronin, Perl hacker, Free Stater
                 It's not the years, it's the mileage.