>
>
>Just speaking in general, it comes down to what color data you're 
>willing to lose, and building algorithms to make up for that loss to one 
>degree or another. You can also combine that with file compression 
>routines, which I believe jpeg does. With something like a psd it 
>contains the image data plus settings specific to Photoshop, like layers 
>and whatnot.
>
>The same applies to multimedia codecs. Decide what information can be 
>trimmed off, what can be compressed, and what should be preserved. This 
>is what is known as "the tricky bit".
>
>Here's some neat info on PNG, with some technical document links a 
>little ways in- http://www.libpng.org/pub/png/
>
>As with most simple things, getting good results can be laborious.
>
>  
>
Ahh, interesting.

File compression routines... can't say I've done that.
Then again I've never need to.

Good to know.

Thanks!


_______________________________________________
Unsubscribe or switch delivery mode:
<http://www.realsoftware.com/support/listmanager/>

Search the archives:
<http://support.realsoftware.com/listarchives/lists.html>

Reply via email to