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Confused over Hz issues... |
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#1 |
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Forum Member
Join Date: Apr 2007
Location: Mars, obviously
Posts: 517
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Confused over Hz issues...
Please help...
I currently have a Samsung LE32a456 as my main TV, but I am looking to upgrade to a 40/42'. I know that I want a full 1080p TV, as I have treated myself to a PS3 for blu-ray as well as gaming (I already have a 360). However, I am confused over the refresh rates. I assumed that 100hz was the one to go for, in terms of fast moving images. however, the more I read the more it seems that for standard TV watching and gaming it is not always very good. Please could I seek some advice on this. For the record, the main usage of the TV will be Sky HD and Xbox gaming. Thanks in advance for your help. ps. If anyone has the same usage as me and would like to recommend a budget 40/42', that would be awesome! |
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#2 |
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Join Date: Apr 2006
Location: North Derbyshire
Posts: 41,794
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All that is transmitted is 25 pictures per second, that's standard 50Hz (50 interlaced fields - half a frame each).
A 100Hz set simply 'makes up' an extra frame between the two existing ones, in order to display 50 pictures per second - how good it is at 'making it up' determines how well the set performs. A 200Hz set 'makes up' a further sets of frames, so only every fourth one is real. The claimed 600Hz Plasma sets are a complete con, the 600Hz refers to something entirely different, and the 600Hz sets are actually only 100Hz ones. Generally 100Hz, and even more so 200Hz, sets are better pictures - but I suspect that mostly because they are more expensive models, not particularly because they are 100/200Hz. You really need to go and look at the sets on display, and see which YOU prefer. |
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#3 |
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Join Date: May 2008
Posts: 1,586
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Quote:
A 200Hz set 'makes up' a further sets of frames, so only every fourth one is real.
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You really need to go and look at the sets on display, and see which YOU prefer.
Unfortunately when demonstrating these type of features in stores the they will have their own demo disk running which often shows a split screen. I'm sure that they first degrade the image on the "before" half of the screen to make the image on the "after" side of the screen look a lot better than it actually is. More often TVs in shops will be adjusted in ways to make a real comparison with your home viewing experience rather hard to judge.
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#4 |
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Forum Member
Join Date: Apr 2007
Location: Mars, obviously
Posts: 517
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Thanks for this. So, if i am reading this right, at 40/42' in a normal room, the difference between 50 & 100hz is not going to be that significant?
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#5 |
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Join Date: Apr 2006
Location: North Derbyshire
Posts: 41,794
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That may be OK for sources such a a DVD but when the source is highly compressed digital broadcast material it's very much like crap in, crap out.
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Unfortunately when demonstrating these type of features in stores the they will have their own demo disk running which often shows a split screen. I'm sure that they first degrade the image on the "before" half of the screen to make the image on the "after" side of the screen look a lot better than it actually is. More often TVs in shops will be adjusted in ways to make a real comparison with your home viewing experience rather hard to judge. ![]() Just look at the sets running on normal TV, both SD and HD if possible - but certainly SD. |
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