> > >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>