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I just knocked out (what I think) are the perfect settings for ebook pdf technical books that are heavy on diagrams & text. I played around with a bunch of everything and went over them A/B tested on the Kindle 2 itself for the past 2 hours. > )

My recommended settings:


400dpi (best result on kindle display itself):


600dpi:


1600dpi (text is too wispy and light hard to notice bold):


I felt that unpaper wasn't necessary because these pages weren't scanned, and it only hurt the quality of the text. On my PoS work laptop, a 600-page technical manual was converted in about 40 minutes with a final size of ~65mB making it about 10mB for every 100 pages. Not bad at all for graphics/diagram/table-rich technical documents, and a HELL of a lot better than Amazon's auto-service (when I submitted the 600page monster I never got a response back, and single-pages came back horribly misformatted without any images at all (basically plaintext stripped with wrong symbols and characters everywhere).

PDFRead can be found here
 

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Glad to save you some time heh... these settings probably don't work so great for scanned-page PDF's, if somebody could give their best-settings for that (probably gotta mess a whole LOT more with unpaper) I'd appreciate that.
 

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Looks great, unrequited. . . thanks for sharing all your hard work!

Ann
 

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Any suggestions on how to work with scanned PDFs?  I've been working with a Congressional hearing volume PDF and haven't had any luck, likely because I'm still trying to understand the conversion program.  Any suggestions on what to try?

Thanks!
 

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Unrequited, I just tried this on my K2 with Win XP and it worked nearly flawlessly with a very graphics intensive pdf. There was a slight margin issue that I need to work out, but this is a great starting point. Thanks for the great info!
 

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Not to sound to dumb, but is this the same program as the latest Adobe 9.0 PDF Reader?

Thanks...........  Brian

or maybe a link to the site where the program is?
 

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There is a link to the program at the bottom of the OP, Brian.

Here's the URL:
http://www.mobileread.com/forums/showthread.php?t=21906

This is a completely separate program than Adobe Reader. This converts PDFs into a variety of formats, including to .prc which can be read by the Kindle.

Betsy
 

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Great program and thanks for the settings - just converted O'Neill's Irish Tunes - thousand plus pages and all in music notation.  Linked table of contents - Chose portrait mode for this book.  Need the reading glasses - but that's OK. 

 
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