AVS Forum Special Member
Join Date: Jun 2005
Location: Northern, VA - Washington, DC
Mentioned: 102 Post(s)
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A big test is not to see how good you can get garbage to look. That is, get a 4K UHD Blu-ray Disc and play it back and do all your calibrations based upon the quality of the highest possible source you are feeding it.
If you are working with 4K MKV files, make sure they are in the 30GB+ range, as that's a proper encode. If you have a sub 10GB 4K movie, then that's not going to represent nearly what the quality of that movie offers. Things in the 2GB range represent what a compressed DVD would look like. Yeah, it'll be better than DVD, but really, not really.
Nobody can tell you how that MKV was actually encoded. But, odds are darn good that if it is a MP4 file under 50GB, then it was reencoded by whatever free software was available and may represent a serious quality falloff from the original.
All my MKV encodes tend to be 1:1 copies with zero additional re-encoding, and I don't even bother at this point with my 4K discs.
My Blu-ray Discs look exceptional on my projector and all my displays in my home.
AV Integrated - Theater, whole house audio, and technology installation in the Washington DC metro area.