[Cryptography] Best internet crypto clock: hmmmmm...

Peter Gutmann pgut001 at cs.auckland.ac.nz
Mon Oct 27 14:19:38 EDT 2014

Jerry Leichter <leichter at lrw.com> writes:

>All of these things have fundamental limits set by human sensory
>capabilities.  Most of our digital technologies are near those limits - most
>obviously in high-resolution LCD displays (what Apple calls "Retina"
>displays).  Sure, under some circumstances, some well-trained observers can
>easily spot the remaining variations.  But it's getting harder every day, and
>soon only the "golden ears" (and their analogues in different spheres) will
>even claim to be able to tell, and they'll consistently fail careful tests.
>Once you get to that point, there's no reason to go further in controlling
>manufacturing processes and such. 

That only applies if the final consumer of the image is a human being.  In
this case it's not human eyeballs that the image is intended for, and the
sensor manufacturers aren't optimising for that target.


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