Thought this info might be useful. I was at a Tek Seminar and here are some start and end lines that the Tektronix Field Engineer was able to determine when working at one of the major studios. It seems YMMV but it seem like a good reference to see if you are in the ball park. As always there are all kinds of standards in the 4K UHD world.:
Start of Active Picture
– Horizontally
– Vertically
What is the aspect ratio
1.66
1.78 Start line 84 and End line 2242 *
1.85 Start line 122 and End line 2204 *
2.0 Start line 202 and End line 2124 *
2.35 Start line 346 and End line 1978 *
2.40 Start line 364 and End line 1964 *
Film Rasters
1998x1080 1.85 Flat 2K
2048x858 2.39 Scope 2K
2048x1556 1.31 Full Aperture 2K
3840x2160 1.78 UHD
3996x2160 1.85 Flat 4K
4096x1716 2.39 Scope 4K
4096x3112 1.31 Full Aperture 4K
* Your results may vary What are your standards +/- 'x' number of lines
John Moore Barking Trout Productions Studio City, CA bigfish@pacbell.net
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Posted by: John Moore <bigfish@pacbell.net>
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this is the Avid-L2
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