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100 Hz or 50 Hz?


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Old 21-11-2007, 16:55
carnivalist
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Apologies for another "dark-ages" thread, following on from my widescreen thread http://www.digitalspy.co.uk/forums/s...4#post19522594 (BTW if you have more views on that subject I'd be grateful to hear them.) However I like to have some understanding of a product before I make a purchase.

It might be a bit anally-retentive, but if I buy a piece of kit and then find somewhere down the line that I could have got something just a little bit better for the price, it doesn't half eat away at me, even if the product I originally bought is perfectly acceptable. Maybe I need therapy or something.

Anyway, I'd like to know the pros and cons of old 100Hz CRT sets as opposed to their 50 Hz counterparts. It seems on the surface that the newer thing, with the bigger number in front of it should be better, but I'm sure I recall something I read claiming that there can be a downside to a 100Hz set.

I receive a VM cable signal at present. I might change to Sky depending on how VM shape up in the next year, but am unlikely to have freeview in the near future.

Thanks in advance for your opinions.
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Old 21-11-2007, 17:12
gyles
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I believe it just double scans the frame, so flicker is reduced.

My set can be set to either 50Hz or 100Hz, so I'd assume it can be turned off if it caused problems, so the downsides are purely financial
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Old 21-11-2007, 17:20
Nigel Goodwin
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Certainly the general opinion in the trade is that 100Hz sets were always a poorer picture than 50Hz ones - having a 'plastic' appearence to the picture. Normally it's fixed at 100Hz, and you can't turn it off - although you can usually turn off digital picture processing.

Given the choice I would go for the 50Hz set every time, even if the sets were identical prices.
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Old 21-11-2007, 17:47
Chris Simon
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Well, I have to give my usual spiel on this! Many people say that 100Hz sets produce undesirable effects due to the processing involved, but with my 100Hx Sony Wega it doesn't concern me and I haven't really noticed any problems anyway, but I'm one of those people who can detect flicker easily so that far outweighs any loss of picture quality for me.
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Old 22-11-2007, 07:26
carnivalist
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I believe it just double scans the frame, so flicker is reduced.

My set can be set to either 50Hz or 100Hz, so I'd assume it can be turned off if it caused problems, so the downsides are purely financial
Which set do you have? Does anyone know of other second-hand models that have this facility?
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Old 22-11-2007, 08:04
roddydogs
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Whats what a CRT did got to do with what a LCD/Plasma will do? or are you planning to get a CRT?
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Old 22-11-2007, 09:42
Nigel Goodwin
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Whats what a CRT did got to do with what a LCD/Plasma will do? or are you planning to get a CRT?
If we're talking LCD or Plasma they don't use scanned screens anyway, so the 50/100Hz 'flickering' problem doesn't really exist.

You know how if you take a picture of a TV screen you always get a black bar across it? - well you don't with LCD/Plasma - because you don't have the scanned frame that makes it happen.
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Old 22-11-2007, 19:10
carnivalist
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Whats what a CRT did got to do with what a LCD/Plasma will do? or are you planning to get a CRT?

Who mentioned LCD/Plasma?
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