Monday, January 24, 2011

[Avid-L2] H264s (or other codec QT) for client review with correct color.

 

Hi lists!

As always I am struggling with the difficulties of creating quicktimes for client review while maintaining accurate color and gamma encoding.
For this particular job I need to ensure that the color/gamma etc viewed by the client is accurate. I'd like to send H264, but would be happy with other codecs if it would solve the problem.

My problem is that there are a number of people receiving the file, and I don't know if they will be on windows or mac, and if on Mac if they will be on quicktime 7, or quicktime X, and if using quicktime 7, if they will have the "enable final cut pro color compatibiity" check box checked.

The three main variables that seem to wreak havoc on this process are:

gamma 2.2 vs gamma 1.8
SMPTE range vs FULL range
Colorsync managed vs Non-Colorsync aware.

What strategies are other people using to deal with this, and has anyone found a pipeline that gives accurate color in H264 QTs? If needed I could insist that the client use a specific platform and version of quicktime player, if I knew what to insist on.

Thanks all.
best
-Nat

p.s.
obviously the client's display's vary wildly as far as quality and accuracy, but this is all assuming that the viewing machine has a vaguely accurate sRGB monitor.

p.p.s
The tape based solutions are not really good...
Making a DVD is far from ideal as it scales down to SD, introduces less than best compression, and needs to be fedex'd.
Making an HDCAM SR etc, isn't cost effective for this stage of approval...

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