I saw frame interpolation and hated it... should I still go 120hz or look at 60hz? - AVS Forum
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post #1 of 14 Old 09-21-2008, 08:03 AM - Thread Starter
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My Best Buy at home never had the 120hz MotionFlow (or whatever) running properly. Yesterday I looked at the Best Buy near my parents', and they very clearly had 120hz frame interpolation running on Pirates of the Caribbean. In my opinion, it looked hideous. It was ridiculously smooth, and I don't want to have anything to do with it.

My TV will be 80% for video games (new and old school), and the other 20% for movies (divided up between DVDs, Blu-Rays, and digital distribution on PS3). No regular TV, no sports, nothing else.

The idea of 24 frames going into 120hz is appealing to me in theory, but would I even see a difference?

Would 120hz help with anything else? Does it increase or decrease game lag over its 60hz counterparts? Does it do anything else to make the picture sharper or prettier if I am doing anything other than outputting Blu-Ray at 24p?

120hz puts a TV in a whole new price range, and I'm still willing to consider it if it's worth it for any reason other than frame interpolation. But if true 24 frames on Blu-Ray isn't that big of a deal, or it does nothing else that's helpful, then I'd rather buy an equivalent TV at 60hz.

Enlighten me!
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post #2 of 14 Old 09-21-2008, 08:31 AM
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Are you sure it was 120Hz, not MotionFlow or Auto-Motion Plus thing that you saw and didn't like? And if you don't like what it does, why even consider getting it? It makes no sense at all because you will hate it each time you turn on the tv!

Stick with 60Hz if that makes you happy.

What model did you see anyway?

Go 24
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post #3 of 14 Old 09-21-2008, 09:30 AM - Thread Starter
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Yes I am certain it was the MotionFlow or whatever that was turned on. I believe it was the Sony W4100 that had it on (which has been the TV I've done the most research on lately).

When I say frame interpolation, that's what I'm talking about, the MotionFlow or whatever each manufacturer calls it.

What I want to know is if there is anything else about 120hz that would make it worth considering or not considering. MotionFlow, etc., is the "big" feature I suppose, so is anything else worth it? I would of course turn MotionFlow (or whatever) off.
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post #4 of 14 Old 09-21-2008, 12:18 PM
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The predicament that you're in is that if you do not see any big advantage of the 120hz technology you still may want to end up buying a tv with 120hz. The reason is that most of the higher end tv's come with this and aside from this technology, the picture produced on these higher end tv's are much better than the lower end tv's. If you don't like interpolation on the Sony's or Samsung's you can just turn AMP or MotionFlow off. you will still get the advantage of 120hz PLUS you will get better picture quality from the higher end tv such as deeper blacks, more natural colors, sharper, and just an overall better picture. The difference between the 650 and 550 isn't just 120hz, it's better overall PQ. The same goes for the W/Z series over the S/V series sony's.
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post #5 of 14 Old 09-21-2008, 01:20 PM
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The one main benefit of having a 120hz TV is that 120 is the lowest common multiplier of 24 and 60 (60hz being USA electricity current) which mean that you can watch Blu-ray movies in their native framerate of 24 frames per second which will look better than normal, because on 60hz TVs they have to mess with the frames of a movie in order to convert it to 30 FPS. This introduces judder. The effect of 24 FPS viewing obviously won't be as smooth as the "soap opera effect" from frame interpolation, but it will make the movie look closer to what it would look like in an actual theater.

I've got a 52" W4100 on its way to me from Amazon and I'm planning on turning off the MotionFlow crap and having my PS3 output the Blu-ray movies at 24 FPS and it will be awesome.

tl;dr: 120hz TVs let you watch movies in their originally intended frame rate. 60hz TVs do not.
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post #6 of 14 Old 09-21-2008, 04:29 PM
 
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OMG i'm stupid... tehe

I always thought 120mhz is the MotionFlow...
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post #7 of 14 Old 09-21-2008, 07:02 PM
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Check out Toshiba's 120Hz Frame Interpolation. It's smooth enough, but not insane like Samsung or Sony. The Samsung on low is still too "fast forward" looking for my taste.
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post #8 of 14 Old 09-21-2008, 07:14 PM
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The Samsung's Frame Interpolation is too "fast forward" even on low? I would think it should be hardly noticeable on the lowest setting, no?
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post #9 of 14 Old 09-21-2008, 07:15 PM
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I'm in the same boat as you, I hate motion interpolation, but I think 24p capability is worth it. If you figure out what 2:3 judder looks like, it'll start bothering the hell out of you, and then you might not be entirely happy with your TV... Of course, a few 60hz panels can also switch to a 24hz multiple to do 24p, but a 120hz TV is usually more high end and better all around...
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post #10 of 14 Old 09-21-2008, 09:44 PM
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My XBR4 can turn the Motionflow Off, Standard, or High.

High makes movies look like you are really there. The picture looks fake, but boy is it smooth!

Standard is what I have on most of the time. You can tell there is a difference between off and Standard, but it is so minimal and it makes scrolling text easier to read.

Off, well, it's off and the picture is normal. Scrolling text is very slightly blurred.
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post #11 of 14 Old 09-22-2008, 04:03 PM
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can one turn motionflow AND 120 Hz off if needed on most LCDs?
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post #12 of 14 Old 09-22-2008, 04:19 PM
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watch Planet Earth or an animation with AMP/MotionFlow on and tell me if you hate it.
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post #13 of 14 Old 09-22-2008, 05:51 PM
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I am not a fan of Auto Motion Plus on Movies but for sports with a lot of action I like it a lot. I wish there was a way they could just engage it when the is a lot of motion in the picture but otherwise turn it off.
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post #14 of 14 Old 09-22-2008, 07:38 PM
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Quote:
Originally Posted by dasher123 View Post

can one turn motionflow AND 120 Hz off if needed on most LCDs?

No, 120hz is inherent in the panel, and cannot be turned off. That said, I cant really imagine why you would want to?
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