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Re: Quicktime 7 colour interpretations




On May 21, 2005, at 1:03 PM, daniel magee wrote:

Hi,
I am using a program which converts image files using quicktime technology to 2 thumbnail sizes.
Can anyone tell me how quicktime does this as when it converts the colours are not quite the same?
Can anything be changed to make it convert colours more accurately so it matches how the image looks in photoshop?

It really depends on the application - the Quicktime graphics import APIs have options to honor embedded profiles or to ignore them, so you need to ask the developer how they are using it.


It's possible the app is converting your images from the embedded/tagged space into your chosen Default RGB (as set in the colorsync utility), but then not embedding a profile for that destination space. To determine if this is the case, open the original and the converted file in Photoshop, and set the color space (Assign Profile) of the converted file to whatever you have set in ColorSync Utility as your Default RGB. If they now match then you know what's going on...

-R

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 >Quicktime 7 colour interpretations (From: daniel magee <email@hidden>)



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