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RE: filmscanners: Size of scan files

Lynn wrote:
> That sounds perfectly possible to me. Grain is a form of "texture,"
> and a textured backround will eat up a *lot* of memory (unless it's
> mathmatical--which grain isn't, AFAIK).

Exactly.  Because the grain pattern is random, it doesn't compress well.
 I was just pointing out an advantage of a fine grained film like Provia
which I hadn't realised before; that the higher resolution actually results
in smaller file sizes.  This is perhaps counter-intuitive.


Rob Geraghty harper@wordweb.com


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