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Old 03-04-2015, 06:47 AM   #22
Solitaire1
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Posts: 14,957
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Join Date: Nov 2009
Device: NookColor, Nook Glowlight 4
Quote:
Originally Posted by RobertDDL View Post
Yes, but at 5 MB, they'd still be text-based PDFs, with some illustrations in them. I had meant scanned PDFs, in which all the pages are images of the pages of a printed book. (There can be an invisible but searchable OCR text layer underneath those images.) A small paperback, scanned in color with 300dpi (this is how 1dollarscan.com scans them), will easily give you a file size of 100 to 150 MB. Bookscan.us scans in b/w (not grayscale), which results in much smaller files, but a 240 pages paperback scanned last week still had 17 MB. The OCR software is happy enough with b/w, but the human eye does not like the ragged outlines. The PDF ebooks which I make are something entirely different, but for this particular use -- scan a printed book and read it as it is -- my InkPad doesn't work. I'd be interested to know whether your Nook does?
I'm not sure if the Nookcolor would be able to handle PDF files that large since: (1) I've never tried it, and (2) The nookBook (the guide for the Nook and Nookcolor) doesn't list a maximum file size for ebooks. The 5MB number I cited includes some PDF ebooks where each page is an image (not a scanned page, just a color picture) of around 30 pages, and my Nookcolor has had no problem displaying them.
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