Color Conversion Problem with Neo HD and Vegas8
 

David....
Hoping you can offer a suggestion, here, as to why I'm seeing color differences between Neo HDV and Neo HD with Vegas Pro 8a.

I performed this test with Neo HDV several months ago. I recorded a color bar pattern from my HD110 and converted the m2t file with HDLink to CFHD. After importing the intermediate file to Vegas Pro 8a, and looking at the file with the Vegas waveform monitor(WFM), b&w levels and colors lined up well with the reference marks in the WFM.

I recently upgraded my license to Neo HD and repeated the test. The CFHD intermediate, when examined in the WFM, is showing the correct b&w levels, however, the colors are quite a bit off. The image appears very "neon" in appearance.

I filed a trouble ticket, together with some of the test files. Do you know what might be causing the problem?

Send sample to support as no one else has reported this. It is very odd the the waveform shows levels are correct but displays wrong. There is no difference in the Vegas decoder better NEO HDV and NEO HD, only the encoder changes. Making this even weirder.

In the interest of clarification, the WFM confirms that the colors are off. The B&W LEVELS are right on, RGB 16 and RGB 235, however the color refs are off as if it is a gamma problem. For example, RGB values on the NTSC colorbars green should be R016 G180 B016, but they read R016, G224, B006.

Send your samples, with full details of your testing procedures, include how and when your source AVIs were created.

Update:
Re-installed Neo HD v3.21 and the colorbars now look correct. I was misled because I had uninstalled v 3.22, reinstalled v 3.21, and CFHD did not retrograde to the earlier version. After manually removing CFHD, and re-installing v 3.21, it retrograded.

Bottom line: the problem seems to be with NeoHD v3.22, build 148 decoder. Files encoded with v3.22 now display properly with v3.21 reinstalled.

Still can't do any testing without your samples. Please be quick as I'm about to be out until Jan 2nd. Fortunately you can use 3.2.1.

sorry...
where to?

www.cineform.com/support please file a ticket.

thanx, already done.
611-5515061

Unfortunately I didn't get the links before I left of the long weekend. You are welcome to email me with that data and I look if I have some time.

Thanx, David....
I think it'll keep until next year. Hope you have a great New Years!!!

David...

Just got an email from Cineform support telling me they had closed the trouble ticket because you are handling it. Is there a resolution to my problem?

Yes, it is fixed. Doing the new builds now.

Great...Thanx for your attention.
I'm starting to work with .mxf files from an EX1, so this will be very timely.

The bug was in the decoder, so you can start you encoding now.