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Bit noise in JPEG images



Hola!

I've created some images using gradients, and when I open them with 
Quicktime (latest and greatest version), I get a lot of "bit noise".

A sample of these images are at:

http://www.iheinrich.com/noise/grad.jpg
http://www.iheinrich.com/noise/grad.tif   (warning: big file)
http://www.iheinrich.com/noise/RedBlue.jpg

I've tested this on two machines, (G4 and G5, both with Panther) with 
multiple displays, and they all show bit noise.

I've calibrated all the monitors.

When I open them with Quicktime for Windows, I do not get bit noise.

Is this a bug in Quicktime?

All the best,

Heinrich H. Beck ベック
Software Quality Control Engineer
Nikon, Inc / Electronic Imaging QC
1300 Walt Whitman Road
Melville, NY 11747          USA

phone 631-547-4004
mailto:email@hidden
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