Quote:
Originally Posted by JSWolf
I use a size of 1680 lines and I keep the aspect ratio correct. and I losslessly recompress the cover with a value of 70%. I don't notice any difference in quality and the cover is smaller but large enough.
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Quote:
Originally Posted by JSWolf
Not a typo. Once the image is recompressed, it is then losslessly compressed from there.
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I may be a little ignorant on image compression, but doesn't "70%" apply to lossy compression (lossless compression doesn't include a percent). At least that is the way it works when I use the calibre editor to compress (jpeg) images.