[gs-devel] PDF rasterization for driverless printing: Color Management

Till Kamppeter till.kamppeter at gmail.com
Wed May 26 17:30:14 UTC 2021

On 21/05/2021 03:00, Michael Sweet wrote:
> Michael,
>> On May 20, 2021, at 8:44 PM, michael.vrhel at artifex.com wrote:
>>> ...
>>> Speed and (if the AdobeRGB is 24-bit) loss of color accuracy for sRGB
>> content.
>> I don't see the speed being an issue, but I agree that quantization in the
>> larger gamut could be an issue.
> Transmission and printing speed is definitely an issue since 48-bit RGB won't compress as well as 24-bit RGB, so you end up sending close to 3x the data to the printer (think ~150MB/page for an AdobeRGB letter-size page vs. ~50MB/page for an sRGB page at 720dpi, and it only gets worse on large format printers...)

What do you mean here exactly? AdobeRGB compresses worse than sRGB? or 
48-bit-sRGB compresses worse than 24-bit sRGB? What do you exactly want 
to say here?


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