There's no quality difference between any of the methods used for ty file extraction. A ty file is a ty file no matter how you extract it, although there are claims that TyTool does something funky to the headers that TyStudio doesn't like so you shouldn't use ty files extracted with TYTool in TyStudio. I prefer TyTool for all my extracting, editing, and muxing chores. It never gives me any synch errors when I cut the files although I do get some momentary audio dropouts on occasion right at the very beginning of the video clip but not enough to make me want to use something else.
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