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Activity Forums Adobe After Effects Composition for 16:9 DV Footage?

  • Composition for 16:9 DV Footage?

    Posted by Phillr on April 25, 2006 at 12:25 am

    I have a mini-dv tape that the camera man shot in 16:9 mode (cough cough). Like where the video is viewed as a 4:3 image, but needs to be shrinked down vertically to look ‘normal’.

    I’m wondering how I should setup my compositions and what measurements they should be. Only a few of my planned compositions will be including the stretched footage.

    I was thinking I should create normal 4:3 compositions, but have 2 black rectangles as a ‘letterboxing’ appearance. Then i’ll shrink all my footage within my NLE (Avid Xpress 4.6).

    Anybody know what percentage the 16:9 needs to be shrunk by to look normal? Any idea where the placement of my letterboxing black recntagles should be?

    Zander replied 20 years ago 2 Members · 5 Replies
  • 5 Replies
  • Zander

    April 25, 2006 at 1:06 am

    ok, first off, how are you bringing it in

    often times capturesystems and non linear edditors havea setting for dvntsc anamorphic, and it will do the streatching

    secondly, if you just have “squeezed” footage that comes in as normal 4:3 footage, right or control click on it, and go to interperate footage:main and go down to pixel aspect ratio adn change that, to where it fits which will either have a preset or you can just enter the ratio as 1.2

    ive been working with this footage for the last couple of months, it’s not so bad, actually there’s more footage here then normal 4:3

    Aaron Zander-Student editor
    If it’s out there and it does somethign to something,
    teach me how to use it
    Powerbook g4 1.5 GHz (it might not be big, but i can take it on set
    fcp 5, ae 6.5pro adobe cs2

  • Phillr

    April 25, 2006 at 2:01 am

    My NLE is Avid Xpress 4.6, and it has no option for ‘interpreting’ 16:9 footage. The only way to make it look normal is to shrink it down vertically. But these are green screen shots, so I only want to squish it down after I export my keyed shots, so that I retain full vertical quality until the final stage.

    So I’ll be bringing in full 4:3 shots into AFX, solely for background keying, which will then be exported.

    I’m considering resizing it in After Effects, but don’t know the percentage to shrink it by. And I’ll also be creating other motion grpahics in After Effects for this project. I’ll be adding a letterbox to these elements within After Effects, so once I know how much to shrink my source footage by, I’ll know the numbers required for placing my letterboxing Black Rectangles.

  • Zander

    April 25, 2006 at 2:45 am

    oh i apologize, i typed hastily, in after effects you can intereperate the footage in the way specified above,

    i don’t know avid so well, but in the capture settings should be something about dvntsc anamorphic,

    the same setting should be available in your sequence, but im not sure, like i said avid=not my expertiece.

    so after effects it is, just go to the interperate footage menu and go from there

    in, finalcut, there is a way, in the cropsettings, to change your aspect ratio, and it just unsqueezes your footage.

    Aaron Zander-Student editor
    If it’s out there and it does somethign to something,
    teach me how to use it
    Powerbook g4 1.5 GHz (it might not be big, but i can take it on set
    fcp 5, ae 6.5pro adobe cs2

  • Phillr

    April 25, 2006 at 4:53 am

    Interpret Footage Menu? where’s that?

    Avid Xpress is extremely basic. Literally. Like even when you setup a projects, you can only choose between “NTSC” and “PAL”. Literally only 2 ‘presets’ when setting up a project.

    What I think i’m looking to find out is the exact number/percentage to shrink my fake 16:9 footage by to make it look properly. Once I find that number, I can start on my project lol.

  • Zander

    April 26, 2006 at 2:54 am

    file>interperate footage>main

    set your pixel aspect ratio.

    and im sure there’s a way to set your aspect ratio in avid, check your helpfiles or manuals

    Aaron Zander-Student editor
    If it’s out there and it does somethign to something,
    teach me how to use it
    Powerbook g4 1.5 GHz (it might not be big, but i can take it on set
    fcp 5, ae 6.5pro adobe cs2

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