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Calibration for LCD TV w/ LED Backlight - different method?
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Ron W



Joined: 07 Aug 2009
Posts: 361
Location: Mississauga


PostLink    Posted: Thu Oct 20, 2011 7:40 pm    Post subject: Reply with quote


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Deinorius wrote:
OK, nearly as I thought. Sad to read this but it is like it is.

In this case just a last question. What would you suggest where to set white level. Now it would be with the PS3 around 245-250. Is this ok or would you recommend a different setting?


The levels recommended for general viewing from black to white are 16-235. 0-245-250 is stretching your whites and contrast(and voltage) beyond the levels of the monitor to handle it properly and really won't give you as accurate a calibration up and down the scale. These higher levels are designed primarily for PCs.

Doers the PS3 have picture controls(contrast, brightness, color etc.) so you can adjust the player independently of the monitor, especially if your contrast is at the level you mentioned? If not then you have a little problem. Pretty well all stand-alone BR players have independent picture controls, if required to tweak any adjustments.
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ZandarKoad



Joined: 12 Nov 2011
Posts: 3



PostLink    Posted: Sat Nov 12, 2011 12:55 pm    Post subject: Individual Input settings on TVs Reply with quote

Ron W wrote:
What you are seeing is that different video sources can give you different readings. Your set-up has to be somewhat of a compromise or done with a specific source item in mind that you would use more than the other. Different Blu-Ray players can give you different readings(white point, grayscale and color space) with the same calibration disc. Like monitors, today there is STILL no consistency in performance among the manufacturers. I use to have TWO BR players on my rack, an Oppo and a Panasonic. When doing the calibrations with the disc using the Oppo as my source, it was pretty close to matching the readings from my monitor whereas with those same readings the Panasonic had a distinct "red shift" which would obviously affect grayscale and the white point. I later removed the Panasonic and placed it in another room. The only way you can deal with multiple sources and get accurate readings across the board is with an outboard processor that can do multiple calibrations for multiple sources. Of course, that gets in to considerable extra expense, however, Kal can probably give you additional ideas about that.


That was a question I had as well. I know that different inputs will have different display characteristics, and that they need to be individually calibrated, but how are these individual input settings SAVED? Is it entirely dependent on the display device? If so, I imagine there are a LOT of TVs and monitors where correct calibration on a per input basis is IMPOSSIBLE simply because you can't save the calibration settings... Like you mentioned, you could work around this by tweaking the source's settings... But again, that's entirely dependent upon the source device.

So, how are the input settings saved on TVs?
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