Dreamcolor 2480

[Miguel "Macgregor" De Olaso]

I just got this new monitor today and i´m having problems choosing the right color space. From all the listed options i can´t choose any that really satisfy me.

Ideally i´d like to choose sRGB but the dreamcolor sets the gamma up to 2.4 and that doesn´t make any sense to me.

rec709 is way darker than any grade 1 CRT i have ever seen so i don´t understand what´s going on here.

601 crushes the blacks too much...

I have an eye one 2 probe to calibrate the display but i´d rather pick the best setting on the HP screen first and then run the calibration software. Also i´m starting not to trust too much the eye one display since it takes too many decisions by itself (no option for gamma or color space, why?).

I also have an eizo 241W at my side which i long time ago gave up trying to calibrate...

Overall the JVC HD1 projector is by far the most accurate color "display" i can trust in this room.

 

[Jean Déraps]

There are white papers on HP's site explaining much of this. There is also a thread over that the creative cow site (can't link from here) that discusses this too. You have to use the optional probe that is made for the Dreamcolor since the Dreamcolor's gamut is so huge. Hope this helps.

 

[Miguel "Macgregor" De Olaso]

I couldn´t find any bit of interesting information at HP. Yes, there´s a faq, that basically explains nothing.

 

[Laco Zamba]

Look also here http://provideocoalition.com/index....monitor_to_your_editing_system_properly_l/P1/

 

[Stacey Spears]

The display needs to be calibrated to work correctly. Dave Abrams, From www.avical.com has experience with this display. He travels around the US doing calibrations. He uses a Photoresearch PR-655.

 

[Curran Giddens]

I couldn´t find any bit of interesting information at HP. Yes, there´s a faq, that basically explains nothing.

I have the white papers if you want them.

"Using the LP2480zx with Apple Mac systems"
"Using the LP2480zx for professional video applications"

 

[Roy G. Biv]

Hi Macgregor,

Check if you have the latest firmware on the monitor.
Early versions had the same low luminance setting for rec 709 as for DCI-p3.
For rec 709 this is not correct. Later firmware versions fixed this.

Also, note that the primary chromacities of the rec 601 setting are not those of pal EBU phosfors. Unlike rec 709 standard, the rec 601 standard does not define a color space. The primaries of the rec 601 setting in the dreamcolor are those of SMPTE-C.

To get correct colors in PAL land you should create a new setting in the color space menu using the HP calibration software and puck and put in the EBU chromacities together with a 2.2 gamma. This works very well. Our dreamcolor shows the exact same image as the sony broudcast crt standing next to it.

The calibration software is a download from the HP site. The HP calibration puck is a rebranded eye one display 2 but with custom color filters to work with the wide color gamut of the dreamcolor. You need this to get color right.

Cheers

 

[A. Bastaki]

roygbiv.. colors of the rainbow.

real funny.

 

[Alexis Vanier]

Oh... that's what that Boards of Canada song is named after.

 

[Michele Gavazzeni]

Also i´m starting not to trust too much the eye one display since it takes too many decisions by itself (no option for gamma or color space, why?).

Have a more accurate look at your eye one 2 software you can choose gamma and white-point settings in the advanced calibration mode.
btw the DreamColor should be calibrated with its specific probe.

 

[Curran Giddens]

Have a more accurate look at your eye one 2 software you can choose gamma and white-point settings in the advanced calibration mode.
btw the DreamColor should be calibrated with its specific probe.

Yes, make sure you are using the HP version of eye one 2 and the xrite software developed specifically for the HP APS.

http://reduser.net/forum/showthread.php?p=300004#post300004

Here is a link to the Mac version of the APS software:

http://www.xrite.com/product_overview.aspx?ID=1144&Action=support&SoftwareID=833

 

[Miguel "Macgregor" De Olaso]

Ok, so it seems i must pay another 300 for the HP probe, right?

But i would still like to hear what colour space is people using.

 

[Mitchell M]

Hi Miguel,

We just installed our dreamcolor today. I wil test it over the weekend and let you know what we come up with...but according to our HP rep, he said the REC 709 settings should be already optimized and calilbrate to emulated a calibrated 709 CRT.....but i will find out soon enough and report back.

 

[Miguel "Macgregor" De Olaso]

So far, the best results for me come using the wider gamut setting but lowering the brithgness to 150 cd/cm2

 

[Stephen Lovett]

Keep us updated please

Keep us updated please

I've been seriously considering the dreamcolor, please keep us updated with your experiences.

Thanks for the information,:thumbsup:

Steve

 

[jake blackstone]

So far, the best results for me come using the wider gamut setting but lowering the brithgness to 150 cd/cm2

Wider gamut, 150 cd/cm2? What are you using this monitor for? If you're using this monitor for video work, you should calibrate your monitor to REC-709. Wider gamut will give you false colors, that REC-709 can't reproduce. A white point luminance of 100 cd/m2 (29.19 ft-L) should be used. You're setting your luminance way too high...

 

[Gabriele Turchi]

hI Guys ,

about the luminance point:

i agree that 100cd should be the right Value, but don't you agree that today's plasma , LCD etc...Have much higher Luminance , so maybe is better calibate the image considering that the viewers will have this super contrast bright display?

What do you think?

Thanks

G

 

[Miguel "Macgregor" De Olaso]

150 on the dreamcolor seems correct to me. 80-100 is way too low for this particular screen.

 

[Columbus]

You should definitely use the hp spyder for the dreamcolor, each eyeone probe can give different results, also use rec 709 colorspace. Make sure when profiling that the room is completely dark. After profile is applied use pluge and blue only signal to check brightness and saturation, you may also have to do final tweak by eye.

 

[jake blackstone]

150 on the dreamcolor seems correct to me. 80-100 is way too low for this particular screen.

Then I guess you're completely missing the point of need to calibrate the monitor. If you going to use this screen to just watch movies, then it doesn't matter and you can use at an even brighter settings. Modern screen tend to be very bright, because people tend to prefer brighter pictures. But if you're going to use this screen for any kind of video work, 100 cd/m2 (29.19 ft-L) is the standard settings for REC-709. This way any picture would look correctly on every monitor and not only yours. And if you're planning on doing any DCI or film work, than it gets even worse. In that case the luminance level should be set at 47.96 cd/m2 (14 ft-L). But if you don't care about calibrating your screen, I doubt very much, that you'll be doing that either.