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Activity Forums Adobe After Effects Changing Interpret Footage After Import and Adding To Timeline

  • Changing Interpret Footage After Import and Adding To Timeline

    Posted by Ed Dooley on March 7, 2007 at 5:47 pm

    I have a composition that originally used interlaced footage and was interpreted as such on import. The original interlaced QT source files
    have now been de-interlaced, copies of the clips actually (lots of scaling and repositioning issues with the interlaced footage) and are getting relinked in AE.
    The Interpret Footage settings are being changed to accommodate the new, de-interlaced sources, but my basic question is:
    Will those newly relinked clips accept the new Interpret Footage settings, or is it too late once clips have been brought into a timeline?
    More generally, if you import clips, Interpret Footage (as, say, lower field), edit them and add effects in the timeline, does
    changing their Interpret Footage settings have any effect, or are their original (on import) settings in effect unless you do a new import
    of the clips?
    TIA,
    Ed

    Ed Dooley replied 19 years, 2 months ago 3 Members · 4 Replies
  • 4 Replies
  • Mylenium

    March 7, 2007 at 6:23 pm

    Footage interpretation is done in the project window and thus all clips used in your comps will inherit it, since the only represent references to the project window/ assets. It doesn’t matter how you tweaked your clips in the timeline, AE takes care of everything. Some effects may look slightly different, though since the pixels they use may differ between progressive and interlaced footage.

    Mylenium

    [Pour Myl

  • Ed Dooley

    March 7, 2007 at 6:40 pm

    Sorry, still a little confused. If you import a clip and interpret footage as having fields, AE separates the fields.
    On output, you select the field order and AE puts it back together. Does it matter when in the process you Interpret Footage?
    For example, if you forget to Interpret and put a clip in the timeline, add effects, scale, and change position, then go back and
    interpret footage, does it still help, or does it need to be done before editing the clip? In my example, I unlinked a clip, then
    relinked to AE with a de-interlaced version of the clip, will it accept the newly changed Interpret Footage settings, or maintain (or try to maintain) the original settings, since the original clip is already in the timeline?
    Ed

    [Mylenium] “Footage interpretation is done in the project window and thus all clips used in your comps will inherit it, since the only represent references to the project window/ assets. It doesn’t matter how you tweaked your clips in the timeline, AE takes care of everything. Some effects may look slightly different, though since the pixels they use may differ between progressive and interlaced footage.”

  • Kevin Camp

    March 7, 2007 at 6:54 pm

    you can change the interpret footage settings at any point, not just at import, and it will then effect how the footage is interpretted in comps that use it. try setting the interpret footage setting for pixel aspect ratio of a clip to something different and take a look at how it looks in a comp, then change it back and take a look again (make sure the aspect ration correction option is off in the preview)

    Kevin Camp
    Designer – KCPQ, KMYQ & KRCW

  • Ed Dooley

    March 7, 2007 at 7:12 pm

    That’s the simple answer I was looking for.
    Thanks to both of you,
    Ed

    [moldyboot] “you can change the interpret footage settings at any point, not just at import, and it will then effect how the footage is interpretted in comps that use it. try setting the interpret footage setting for pixel aspect ratio of a clip to something different and take a look at how it looks in a comp, then change it back and take a look again (make sure the aspect ration correction option is off in the preview)”

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