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Activity Forums Adobe After Effects PAR Math…. help please

  • PAR Math…. help please

    Posted by Nick Esposito on December 2, 2006 at 5:59 am

    OK So I have HDV footage in mpg 1.33 PAR
    I’m taking it into a standard widescreen sequence 1.2 PAR

    So how would I resize the footage in the comp like right now I have it at %57x%50 and it looks ok. Is there a more precise way to calculate this?

    Thanks!

    Cheers!
    Nick Espo

    Nick Esposito replied 19 years, 5 months ago 3 Members · 4 Replies
  • 4 Replies
  • Tobias Pfeiffer

    December 2, 2006 at 9:01 am

    dont know how you get this numbers. why should you squash an 16/9 image that should fit in a 16/9 comp???

    45% should be right.

    dont squish or squash your footage!

    payton

  • Nick Esposito

    December 2, 2006 at 10:48 pm

    Well the hdv pixel is 1.33 and the composition uses 1.2 pixels.
    So when you take the hdv footage into the comp the image is stretched so I have to do something.

    Cheers!
    Nick Espo

  • Steve Roberts

    December 2, 2006 at 11:38 pm

    AE is very clever with pixel aspect ratios. You shouldn’t have to do any math, just drag into the appropriate comp preset. In your case, did you try dragging into a 1920 square pixel preset comp?

  • Nick Esposito

    December 3, 2006 at 3:20 am

    No I made a SD widescreen comp and dragged the footage into there.

    What I’m doing is using AE to down convert to widescreen SD for output to DV CAM tape on a dsr 10 for DVD authoring.

    But I’m also using AE to crop the hdv footage because there are some wide angle shots that had the mattebox in the edge of the frame. So I can’t just do an export to tape from Premiere as is.

    Cheers!
    Nick Espo

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