[Digikam-users] Re: SRBG, Adobe RGB, What to use ?

[Sebastian Schubert]

On Sonntag 26 Juni 2011 19:31:14 Martin (KDE) wrote:
 
> A big disadvantage of AdobeRGB (and other colour spaces) with jpeg
> files is the limited range of available bits. For standard jpeg you
> have 8 bits per colour channel (RGB). The wider your gamut the bigger
> the steps between two values.
> 
> If you use a colour space with double range of blue compared to sRGB
> (as an example) you still have only 256 different types of blue. If
> your photo uses the complete range your are fine. If your photo uses
> only the range defined in sRGB you have only 128 different steps of
> blue So you loose quality. (This assumes the colour spaces are linear
> which they are not but it is easier to compare).
> 
> AdobeRGB is only a little bit bigger than sRGB so the advantage is
> only limited.

How severe is the problem of only 8bit in jpg using AdobeRGB? My monitor 
shows AdobeRGB almost completely, so I wanted to use AdobeRGB jpgs (so 
far only browsing and creating RAW development settings).

Cheers
Sebastian
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