I was working on a project where I created a short Camtasia video and uploaded it to Studio. It was extremely blurry. Eventually i found a solution. First, as you click the Batch Production link in Camtasia, make sure you download it as a 1080p file. This will initially help. Secondly, you can check you display settings. Many computers are set to 150% scale which will throw the video out of proportion. Change it to 100%. If it works ok when you upload it to YouTube, then these two suggestions will almost certainly work.
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