Re: Device Link Profiles
Re: Device Link Profiles
- Subject: Re: Device Link Profiles
- From: Terry Wyse <email@hidden>
- Date: Tue, 9 Jan 2007 19:01:29 -0500
On Jan 9, 2007, at 6:37 PM, Lee Blevins wrote:
I have now encountered several devices with rips that make what they
call "device link profiles."
I doubt if the *RIP* is making the device link profile (DLP). Device
links are usually built by a 3rd party app such as a standard
profiling application (both Monaco and ProfileMaker can create DLPs)
or dedicated DLP creation software such as Link-o-later. But many
workflow RIPs and proofing RIPs (less so with proofing RIPs) have
support for DLPs.
From what I can see these are a record of device settings with
respect
to what reference profile is being use, what destination profile is
being used and information about rendering intents, device linearity,
etc.
My question is:
Are they consistent in what items are controlled by a device link
profile or is the a decision made by the programmers of the software?
DLP creation software tends to have as many or more items to control
than even standard ICC profiles. What each software allows you to
control can be quite varied. You can have anything from a device link
that behaves no differently than a normal ICC transform to device
links that control black channel integrity as well as primary and
secondary purity.
Is there an ISO standard Device link profile is what I guess I'm
asking?
Don't see how there could be since the destination device, almost by
definition, is unknown. Typical use in an offset printing environment
would be have a device link that converts from "standard" CMYK spaces
such as SWOP or GRACoL to your specific press conditions. This would
effectively force your press to print or behave like SWOP/GRACoL much
more elegantly than using simple plate curves.
The only place I could see "standard" device links being created or
used would be for straight re-purposing between several common CMYK
press spaces (SWOP->GRACoL, Newsprint->SWOP and of course visa-versa).
Regards,
Terry Wyse
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