a few observations, testing on a recently calibrated (i.e. measures pretty accurate) JVC N7 in DCI-P3 mode
* I think there is a bug in TPN or values below 50 aren't supported
if you set it to progressively lower values then the image (I think as expected) gets brighter and/or more saturated until you get to 50, if you then go to 49 it gets much darker and doesn't change as you go lower
* the spline contrast ratio control is
a) v fiddly to use (doesn't respond to keyboard, v large steps)
b) the steps are probably too coarse (at 0.1), it makes v little difference at low values but at higher values each step is a really large change (so I think the control as is is probably not so useful)
c) high values mixed with relatively low TPN look absolutely crazy so don't go there
* going below about 75 on TPN looks really strange, like the vibrance dial has been turned upto 11
* IMV perceived brightness takes a really large hit by setting TPN to 250 on such a display (re @jmone's earlier testing), way too dark
* at almost any TPN, jrvr is obviously more "intense" (saturated) than madvr (alt+tab'ing between the two on the same scene), it's only at low TPN (<75?) that it looks really obviously and blatantly wrong.
Overall the picture just has too much of a shop display image quality to me at times, i.e. when shops put TVs in burn your face off mode to try to impress passers by. Generally this comes across as just a bit cartoon like and/or CGI in some scenes (a certain uncanny valley quality to it if you get what I mean). It's not in every scene but often enough to be noticeably a bit "off".
one or more of the following would make testing *much* easier btw, 1 is obviously more work than 2/3 but remote control (e.g. let MC on one machine control settings on another) would be really great
1) an MCWS call like LoadDSPPreset (to allow for remote updates to the config), even if just to set specific values (like TPN) for test purposes....
2) one click (or keyboard shortcut) access to JRVR settings
3) automatically select the active profile in the JRVR settings