User blog comment:IamJakuhoRaikoben/Sorcerer Magazine, Issue 27: March 2014/@comment-3424593-20140405003129/@comment-2214433-20140405011625

Well, that's why it's a rip as it's encoded out of the disc and put up for download, the quality is better not only because the original is 1080p and it's NOT an upscale, but some companies tend to fix up their TV versions before selling them as blu-rays, Attack on Titan being the most recent - and probably the best example. Some of the episodes were completely reanimated. You guys should check episodes 13 and 21 in the blu-ray quality. ;o