19-10-2020, 13:13
Z recki Geoffa pierwszej części:
Cytat:There is however an entire block of the film that got "the treatment", for when Marty arrives in 1955 and he gets to the 'Lyon Estates' sign it instantly turns into a pasty-faced wax fest when he steps out of the car and it doesn't stop until he enters the cafe in Hill Valley, so look out for it from 33m58s to 37m25s. If I were being charitable, I'd say there's a possibility that this was done after the fact as a creative decision and not to gloss over any opticals or dupes as such, in order to play up the "it's gotta be a dream!" bewilderment that Marty feels. (Dean Cundey even says in the extras that he certainly lit the 1955 scenes more softly than the harsher present-dat stuff.) I may be giving Universal and Mr Gale far too much credit, and it still sucks that they did it in any case, but nowhere else in the entire film is the "grain management" this blindingly obvious so there must be some reason why they did it. Look at Marty when he starts the long walk into town along the road, a literal bubble of smoothness follows him as he moves.https://forum.blu-ray.com/showpost.php?p=18208145&postcount=4277
But, even if that stuff was 100% intended as a stylistic effect, there is an actual fault during this sequence as well from 36m13s to 36m41s, it's in the big pullback to the wide shot of Marty in the square and then the shot directly after of him looking up at the clock tower as it tolls. Those two shots lose a big chunk of resolution which results in visible aliasing on slanted details and that's nothing to do with opticals but with downright poor 4K mastering. How do I know it's poor? Because the exact same shots on the newly remastered 1080p BD are in the proper resolution and show more detail with no aliasing, this will be obvious when/if capsaholic get the caps of the new BD to compare to the UHD. How does this happen with concurrent 4K/2K mastering workflows? It's one thing that Spartacus got a bit of fiddling for the 4K HDR master five years after the remastered BD was done but come on, these new editions of BTTF were all struck from the same new transfer so this sort of silliness should not be happening. Or maybe they did the UHD first and spotted it too late to correct there but did so for the 1080p master? Either way, it's like Universal feel the need to add some kind of calling card to their new transfers, that we should never get too complacent because you never what kind of incompetence will sneak in, lol
If it sounds like I'm being harsh on it over a 3½ minute sequence looking a bit funky then you're right, I am being harsh but only because the rest of the movie looks so darned luvverly. Well, almost the rest of the movie as there's something else weird that happens later on. (Yes, I'm getting the complaints out of the way early.) This is not DNR-related as such which is why it's escaped scrutiny thus far but there's an entire reel of the movie which has very blurry chroma. As above, it's nothing to do with opticals and is certainly not there on the previous HD transfer. From 1h14m28s when Marty and Doc are setting up the 'weather experiment' in the square to 1h24m15s when Marty implores Marvin's band to play after he's cut his hand, the colour is essentially defocused and bleeds horizontally, especially reds and blues. This has nothing to do with HDR10 vs DV (like the minor ghosting in one shot in JAWS' UHD) as the effect is there on both the HDR layer and the rebuilt FEL DV encode, it's even visible on the newly remastered BD albeit not as obvious owing to the lower chroma resolution of that format, so it's something that's baked in at a fundamental level to this new transfer. Maybe it was a cock-up during mastering, maybe the physical scan itself was faulty for this reel, dunno, but it's almost like you're watching smeary analogue video in a way because the colour is so ill-defined. There's still plenty of grain so it doesn't go all smooth and that will be enough to placate most people and hey, they'll remind me that "you just said this movie ain't gonna be pretty, chief", which is fair enough, but there's a difference between a so-so source presented as well as possible and a so-so source that's been fudged via unnecessary stupidity.
LG OLED 65" B8
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Panasonic DP-UB820
Sony HT-ZF9
Apple TV 4K