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Question

Export-Problem mit sRGB IEC61966-2-1 black scaled

Forum|Forum|7 years ago
May 5, 2018
3 replies
5274 views

In letzter Zeit kommt es bei uns häufig zu einem fehlerhaften Export, wenn Bilder mit dem Farbprofil sRGB IEC61966-2-1 black scaled im Dokument verwendet werden.

Die Dateien lassen sich aus InDesign nicht mehr exportieren, der Export bricht einfach ab.

Die Bilder neu in einem anderen Profil abzuspeichern ist oft nicht möglich.

Wo kommt dieses Profil her? (die bisher ausgemachte Gemeinsamkeit waren Canon-Kameras, allerdings las ich, dass auch Internetplattformen dieses Profil verwenden?

Und wieso kommt Adobe damit nicht klar? Bzw wieso seit Kurzem nicht mehr?

~

Recently we often have faulty export when images with the color profile sRGB IEC61966-2-1 black scaled are used in the document.

The files can no longer be exported from InDesign, the export simply terminates.

It is often not possible to save the images in another profile.

Where does this profile come from? (the common fo far were Canon cameras, but I read that some internet platforms also use this profile?

And why can't Adobe handle it (any more?)

This topic has been closed for replies.

Stephen Marsh

Community Expert

Look under the v2 profiles heading/section for more info:

sRGB profiles

And more info here:

sRGB profile comparison

rob day

Community Expert

I can't find a practical difference between the two versions.

With identical RGB values both assignments produce the same appearance, and the conversion to a CMYK press profile seems to always result in the same CMYK values.

rob day

Community Expert

Where does this profile come from?

OSX's ColorSync Utility shows the copyright as ICC

ColorSync Utility has a very useful Hold for Comparison feature which let's you see a visual comparison between two spaces and comparing sRGB IEC61966-2-1 black scaled with Adobe's installed sRGB IEC61966-2-1 shows no difference, so I think you can safely reassign the installed sRGB.

If I compare sRGB with a typical coated offset profile like GRACol 2006 you can see the problem with editing in sRGB for print applications, a very significant chunk of the blue green spectrum gets clipped. Editing in sRGB would not allow you to get to this part of the CMYK gamut without first converting to CMYK and making post conversion edits:

rob day

Community Expert

It is often not possible to save the images in another profile.

Do you mean you can't open the image in Photoshop, use Edit>Convert to Profile..., and resave? If so, is the problem with convert to profile or the save?

If you are working for print any sRGB profile's limited gamut makes it a problematic image editing space, so I would convert to AdobeRGB

L

laura-marie-Author

Participant

It's not possible because our customers, who are exporting their ID-Files, are simply not able to manage such things like profile-converting (they don't have the software /& don't have the skills to do that).

They just ask us why their exports don't work and don't know how to fix it and we don't know either (expect for resave the images).

We convert their rgb-pictures to cmyk when preparing the files for printing, but our customers use the pictures right as they have/get them.

We had had problems with the black scaled profilfe before, but never with the export. This is new.

So we where wondering, why so many pictures do have this profile and from where the costumers have them...

rob day

Community Expert

It's not possible because our customers, who are exporting their ID-Files, are simply not able to manage such things like profile-converting (they don't have the software /& don't have the skills to do that)

If the problem is with placed images, they can override the image profile inside of InDesign via Object>Image Settings. Changing to Adobe's installed sRGB would not change the appearance of the image. I think Facebook embeds the black scaled sRGB.

The profile change could also be scripted unless the problem images are embedded in a PDF.

You could also look at the Export preset. Do you know what the preset options are?

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