Because of DJVU's limited support and links to Russian malware/Warez sites.
If I see a file with djvu encoding I drop it in the recycle bin without opening as a result of infosec day job. Scott Sent from my Verizon Wireless BlackBerry -----Original Message----- From: "K. Szeker" <szeke...@gmail.com> Sender: time-nuts-boun...@febo.com Date: Fri, 10 Dec 2010 17:16:51 To: Discussion of precise time and frequency measurement<time-nuts@febo.com> Reply-To: Discussion of precise time and frequency measurement <time-nuts@febo.com> Subject: Re: [time-nuts] 3586A HQ PDF Manual available -optimization- Hi all, why isn`t please, with respect to all working persones, the "DJVU-Formating " better as all experiments to reduce some from datavolume? Regularly it needs only ~10%-20% memory as pdf-files... Best greetings! Karesz 2010/12/10 <gandal...@aol.com> > > In a message dated 10/12/2010 10:19:08 GMT Standard Time, > rbarri...@msn.com > writes: > > I've downloaded the reduced-size PDF and, although not very obvious, there > is loss of quality. See the attached comparison and see how sharpness is > reduced on the optimized capture at the right side. My goal was to create > the highest possible quality manuals, using the big sharp scans found at > KO4BB website. I'd prefer to release them as good (and big) as possible so > that anyone who needs it can reduce the size (always at a cost). The > optimization can be done at any time but the lost bits are lost forever, > > > > ------------- > I've also found that the Adobe optimisation option needs to be used with > care and subtle, and sometimes not so subtle, loss of quaility seems to be > inevitable. > I never use it now on files intended for distribution. > > Whilst modern scanners can produce excellent quality in terms of resolution > etc the two big problems I've observed with them, and with the scanning > techniques they seem to encourage, are the very large default file sizes > they tend to produce and the much reduced contrast, with the latter > usually > being much more of a nuisance. > > Both seem to be due to the way in which everything gets treated as colour > or greyscale and the only way I've found so far found of dealing with this > on completed PDFs is to extract all the pages as TIF files and process > them > individually for contrast enhancement etc, and superfluous color depth > reduction, in something like Photoshop or PaintShopPro. > > I've had some good results with this but you sure need one heck of a lot of > patience and spare time, so mostly these days I give thanks for large hard > drives and just try to live with it:-) > > regards > > Nigel > GM8PZR > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.