**[Graham Stewart]** *"I can't work out why the black borders are there?"*

Well... as I tried to explain:

PAL DV captures 720 x 576 pixels with a Pixel Aspect Ratio of 1.0926. In order to calculate the resolution in square pixels you must multiply the frame width by the pixel aspect ratio. 720 x 1.0926 = 786.672. Since you can't have a fraction of a pixel you must either round up or truncate to get

**787** x 576 or

**786** x 576.

So the square pixel resolution of PAL DV from your tape is roughly 786 x 576.

We call this a 4:3 aspect ratio but it really is not! It's slightly wider. if you do the math, 576 / 3 = 192 and 192 x 4 = 768. Therefore a true 4:3 aspect ratio with a height of 576 is

**768** x 576.

FCP X is using the true 4:3 aspect ratio dimensions of 768 x 576 instead of the Rec.601 786 x 576 resolution of the media from the DV tape which may be why you are getting black bars. Having said that, I just created some PAL DV media from another NLE that I know is using 720x576 PAR 1.0926 and dropped it into a FCP X PAL project and there are no black bars. It's as if FCP X compensated for the fact that it uses Digital 768 x 576 instead of Rec.601 786 x 576 so now I'm confused as to why you are not seeing the same behavior?

I'm wondering if your archive footage is using the Analog PAL

**704** x 576, That would explain black bars on the sides because 702 x 1.09 = 765 which is less than 768!

Maybe you can post a sample PAL DV file and we can download it and see how it behaves on our systems?

~jr

http://www.johnrofrano.com

http://www.vasst.com