Originally Posted by mijotter
Nezil that 3D Lut stuff is that only for 3D calibration?
I also have my setup HTPC ready, just need a few more components so is there a good affordable 2D calibration software out there? Would a calibration disc like Disney's WOW work well?
The JVC X35 / RS46 has a lot more calibration controls than a disc like Disney WOW is able to take advantage of.
The fact is that now we're in the digital domain, with digital signals being sent to the projector, calibration is a lot different than when analog signals were used. Things like the brightness, contrast and colour controls often don't need to be adjusted any more, and it's these controls that discs like Disney's WOW focus on.
In simple terms, a 3D LUT takes the digital RGB value of a pixel colour, and uses a pre-calculated look up table (LUT) to shift the digital values to ones that the makes the display really produce the colour intended.
For example, if the display natively gives a skin tone that is slightly too red, the 3D LUT will actually ask the display for a different colour, because it knows that the display will actually produce a correct skin tone for that input value.
The 3D element has nothing to do with 3D content, it just shows that the digital value can be adjusted in 3 Dimensions.
There are several ways to apply a 3D LUT, but the most common is either using some PC software (madVR as I mentioned) - Free! Or to use an HDMI component that goes between your source and display - these usually cost ~$1,000.
In every case however, you'll need a colourimeter to accurately measure the way your display creates images with known digital values this is called profiling. You can also use this colorimeter to perform a traditional calibration for your other input devices that cannot use 3D LUTs.
In my opinion, the usefulness of discs like Disney's WOW has passed, and all displays in their 'Movie / Cinema / Film' mode produce images that are more accurate than it was possible to achieve with those discs a few years ago. There is still a huge benefit to calibrating further, but this simply cannot be achieved with a disc and your eyes alone.