Thursday, April 3, 2014

Re: [Avid-L2] Examining Video Essence level with ama link to file?

 

I have third party hardware (AJA IO Express), and I use the app that comes with it (AJA TV) to direct play my output file out the hardware to my scopes. That's how I check everything is kosher without invoking any QT madness.

For Nitris DX, I would say you probably are OK with AMA/Don't change source settings. Any file that I have made (myself, as opposed to someone else's) from MC I've checked in the same way you have and it always shows up correct on the scopes.

We could use a QC Checker app. Something with good scopes and full metadata readout. Maybe Scratch Play is a good option? Or something like ScopeBox. I've been meaning to look into both of those as possible solutions for file QC.


On Thu, Apr 3, 2014 at 2:29 AM, <bigfish@pacbell.net> wrote:
 

I did check the probable QT ref export settings that were used and they were clicked to RGB levels.  My assumption is that might have been a contributing factor to this low levels.  I have successfully used export from QT pro to take an Avid QT ref and make a prores HQ with only a very slight gamma shift.  All vectors in the boxes etc...  When I do it I export at 601/709 setting for the QT ref.  It is a cluster flop in the making and it was only after doing tests and relinking to ama the resulting files did I adopt this workflow.  The real underlying question is what is the most accurate way to check the true video essence levels without QT or any other interference.  I've been using a link to ama to look at files on my scope to verify proper levels.  Is there a more accurate way to check levels on a file?


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