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is a 600hz Plasma TV a native refresh speed?

post #1 of 6
Thread Starter 
I'm going to buying a new TV soon and I'm thinking of using as a secondary monitor for watch films off my PC. It states in the settings that it has a refresh rate of 600hz, I'm curious if this is a native refresh rate or just one of those retail gimmics to sell the TV?
I'm buying the TV regardless but if the refresh really is 600hz i might use it as my default monitor instead.

Cheers peeps biggrin.gif
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post #2 of 6
Thread Starter 
oh and icase you're interested, this is the TV I'm buying http://www.amazon.co.uk/gp/product/B00BS55R1I/ref=noref?ie=UTF8&psc=1&s=home-theater
The price is fantastic for a 50" TV and i'm not fussed about 3D and Samrt Tv ect, so this one fits my needs perfect.
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post #3 of 6
Its just a retail gimmick and its really input 60hz.

If you really want the details, a user here on OCN named "mdrejhon" will probably tune in soon or eventually and explain the details.

It is nothing like a monitor with a true 120hz input. As far as i know HDMI cannot do 120hz only DVI-Dual Link can handle 120hz input. Thats why only monitors have that.

But i believe there ARE 120hz TV's out there? Or something... specific ones? But they are expensive i think? You should read some more on http://www.blurbusters.com/
post #4 of 6
Its an "internal" 600hz refresh - its a marketing term (kind of like LED monitors when its really LED backlit) - it doesnt actually output 600fps, but it does help with motion artifacts that you see with older LCD panels.

Since plasmas create the image by "lighting" up each phosphor, it kinda works over time...it creates a specific grey a pixel is on/off more or less frequently depending on the shade. "While not completely accurate, you can sort of think of it as the TV creates 10 dark images that your brain combines into one, full-brightness, image, 60 times a second. "

"LCDs use a higher-than-normal refresh rate to combat motion blur. Plasmas, by how they work, don't have an issue with motion blur. The 600Hz claim by all the current plasma TV manufacturers has to do with how the TVs create an image, but is not 600 images per second.
So yes, 600Hz is a marketing term. However, because plasmas don't require faster refresh rates to produce a clear, sharp image, and this is technically how they work, it's fair to give Panasonic, LG, and Samsung a pass...for this one."

Heres a decent laymans terms explaination - http://reviews.cnet.com/8301-33199_7-57548118-221/what-is-600hz/

Plasmas are generally superior to LCDs (for home theatres), one of them being motion
post #5 of 6
Quote:
Originally Posted by jerrolds 
"LCDs use a higher-than-normal refresh rate to combat motion blur."
Not *necessarily* anymore, thanks to the invention of high-efficiency strobe backlights.

-- nVidia LightBoost
-- Sony Motionflow "Impulse" (interpolation-free, low-lag, 60Hz, less blur than plasma)
-- EIZO FDF2405W blur-reduction mode (page 15 of manual mentions strobe backlight)
-- Samsung's 3D mode in their 120Hz monitors, uses strobing too.

The article needs to be updated to reflect the new era of high-efficiency strobe backlights, which are far more efficient than yesterday's "scanning backlights", and does not require interpolation or extra frames.

More and more display makers are starting to build in a high-efficiency Game Mode compatible (interpolation-free) strobe backlight into their LCD panels. The mainstream reviewers and article writers just haven't caught on this new trend, just yet.
Edited by mdrejhon - 9/26/13 at 10:20am
post #6 of 6
Quote:
Originally Posted by DeviousAddict View Post

I'm going to buying a new TV soon and I'm thinking of using as a secondary monitor for watch
[snip]
I'm buying the TV regardless but if the refresh really is 600hz i might use it as my default monitor instead.
The 600Hz subfield has nothing to do with the actual computer refresh rate. The best direct computer refresh rate you can do with a plasma is a true 120Hz refresh rate at the moment -- and you can only do that with certain models. Most plasmas will only accept 60Hz, but a few can accept 120Hz.

For more information, see:
-- HDTV Refresh Rate HOWTO: True 120Hz from PC to TV (includes some plasmas)
-- 120Hz monitors (including those with motion blur reduction strobe backlights).
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