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dithering on the 2405fpw

The Real Zardoz: The manufacturers are allowed to change the specs. In fact most manufacturers measure the new specifications after the manufactured the end-product.

The 16 ms are black-white-black where the 12 ms on the Samsung page is grey-grey. That's why it says "less than" too. The panel uses Overdrive and was one of the first computer panels to use it. (It have been used in TV's for some time already and panel manufacturers have experimented with it)

Manufacturers are allowed to change the backlight system if the like. That's why Dell 2005FPW has more backlight bleeding than the 20" Apple.

It is also commonly known that the contrast ratio of 1000:1 indicates that it is a PVA. Only Samsung makes PVA panels.
 
Greenwit said:
Screenshot doesn't work for me.....if there are any progs yall know about let me know. In any case I see no banding.....I suppose if you blow up the screen big enough and jack up the contrast to max like Cabezone you may be able to find it. I don't see it all on my NEC. I don't know why LCD owners are trying to argue their monitors don't band. All LCDs band. Go research in the AVS forum and other links. Sheesh, this is not even an issue folks. You all didn't really think your monitors were perfect did you?
Click to expand...

Yes we are aware but that's not what's important.

We try to help. Reasons for banding are many but heavy banding can be seen if the monitor settings are incorrect and that might be the case here.

But you also have to keep in mind that the banding is in many pictures but most CRT monitors just don't show it, partly because of the D-SUB connection and the operational principles.
 
I can see the banding on my screen, I hooked up my PC to my TV and I can also see the banding on my TV...I think its the video...

What I want to know is why this stupid video makes my processor run at a constant 67% :eek:
Isnt my 6600GT supposed to suport hardware decodeing of this kind of thing??
 
Yes, all fixed pixel displays band to some degree. I have a HD plasma TV (Panasonic) and when I run a grayscale gradient though it from my Avia calibration disk, it shows some banding (as expected, though less than previous generations). I also have a 5 year old HD Pioneer Elite rear projection TV (or, CRT(s) if you will) and it displays zero banding with a grayscale gradient. My point, I suppose in response to the thread author, is that the monitor is not defective. If you calibrated the monitor to your liking and the banding is still bothersome then I suppose LCD technology is not for you.
 
I understand that the 1000:1 contrast ratio is only achievable (currently) with PVA technology - however the panel listed on Samsung's site doesn't list the same contrast ratio.

As for overdrive - could this be why my image is lagged approximately 30-40ms?

The backlight change is not an easy task. It's not just a simple task of opening up the panel and replacing it - this has to be done at Samsung's factory Backlight differences would also relate to a difference in the panel used - they are NOT interchangable.

My panels use the Samsung LTM240M1-L01 panel - does your panel contain a different screen? You can check by pressing +, menu and the ON button when you turn on the screen. Then go into the menu, go to 'Reset to Factory Settings' and select 'Factory' at the bottom of the menu. It'll then tell you what panel you have.

LTM240M1-L01 specs are at: http://www.samsung.com/Products/TFTLCD/Monitors_n_Industrial/LTM240M1/LTM240M1.htm which include the 1000:1 contrast ratio and the 8ms grey-grey times.
 
The Real Zardoz: Ohh I see your point now. Sorry. It was a mistake.

I thought you said that it wasn't a PVA at all. I see that I linked to the wrong panel in a previous post. I will fix the link.

"As for overdrive - could this be why my image is lagged approximately 30-40ms?"

I don't quite understand that question? Do you say that you measured it or is it an estimate?
 
http://www.cs.iastate.edu/~bearoso/smt3.png


Anyone notice banding here? I also tried saving the .png and it's properties were 32 bit
1600x1200 and my monitor is 1280x1024 16.7M PVA. If you fool around with the gamma,
contrast and brightness in display settings I can see strong banding, but it is lessened at the
default values (but still visible in dark area 1/2 way down picture). Would this be caused by the
difference in dimensions between the monitor and the .png?
 
noway said:



Anyone notice banding here? I also tried saving the .png and it's properties were 32 bit
1600x1200 and my monitor is 1280x1024 16.7M PVA. If you fool around with the gamma,
contrast and brightness in display settings I can see strong banding, but it is lessened at the
default values (but still visible in dark area 1/2 way down picture). Would this be caused by the
difference in dimensions between the monitor and the .png?
Click to expand...

No banding whatsoever on my CRT in that pic.

Edit: I do see some horizontal banding in the backround 1/2 way down the image. but not inside the cyan borders.
 
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