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Old 10-14-2009, 12:56 PM   #74
veysey
Enthusiast
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Posts: 31
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Join Date: Aug 2009
Location: Washington DC
Device: Sony ?
Quote:
Originally Posted by Traclo View Post
First... calibre is vastly superior to other options for my ebook reader. So thanks.

The one gripe I have is with the conversion of comics/manga into epub. Every time that I do it the files double in size. I begin with 2 Mb of images in a .cbr and end with 5. I don't understand the reasons why this would happen (isn't the resolution being reduced?), but would love if someone were to enlighten me.

Or at least suggest a method or form of conversion that doesn't take all the space on my reader on one series.

Thanks in advance.
If you do it from the command line, you might try the "--no-process" flag. I had similar problems b/c calibre's default was to convert jpgs into png (I think ... might be the other way around). The default re-encode parameters resulted in a bigger image.

There's probably a --no-process option in the gui too.

You could probably also tune the re-encode parameters, but I figured less lossy processing = better quality, even if png is a preferable format.
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