On 25 Jan 2005 at 11:04, Godfrey DiGiorgi wrote: > I like your viewpoint, and I agree with your assessment. I've > used techniques of adding noise/grain to smooth out very fine > tonal transitions in printing that would otherwise cause even a > high-end printer to 'stair step' the tonal levels. Some of the > most beautiful nudes I've seen were done in beautiful, big grain > B&W too, the photographer almost literally had to torture their > 6x6cm negatives to achieve it. ;-)
This is exactly the same principle as adding dither to a digital audio signal in order to mask quantization distortion. Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://members.ozemail.com.au/~distudio/publications/ Pentax user since 1986, PDMLer since 1998
