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carolgunn
carolgunn
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Image Sequence Frame Rate in Premiere Pro CS6

Jul 28, 2012 11:50 AM

Tags: #frame_rate #image_sequence #premier_cs6

As a workaround to rendering to video a 3D animation I created in Photoshop CS6 (delete rant here, but if you want to know why I am doing this I will be happy to tell you!) I have rendered the animation as a Photoshop Image Sequence at the document frame rate of 24 fps. When I import the image sequence into Premiere Pro CS6, it comes in a a video clip with a frame rate of 29.97, even tho both the document and sequence settings are 23.97 fps. That makes my clip about 4 seconds instead of 6 seconds as I created it. In Preferences, i have Still Image Default Duration set to 1 frame, if that makes any difference--the frames come in as a video clip, not as individual frames.

 

I'd like to change the frame rate to be the same as the rate at which I created it. (just seems like the thing to do?)

 

So, two questions:

1. I cannot see how to change that frame rate, but even if I could, is that advisable? Is there some reason it should stay at the rate Premiere gave it?

2. If i accept the frame rate of 29.97, and then change the duration to 6:00, will that cause any problems?

 

I am on an iMac, OSX.7.4, with latest versions of all software. Experience level in Pr Pro = Newbie, otherwise very experienced in Adobe Creative Suite for Design.

 

Thanks!

--Carol Gunn

Gunn Graphics

11714 Views   10 Replies   Latest reply: SteeleEN, Apr 11, 2013 1:45 PM
 
Replies
  • Jim Simon
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    1. Jim Simon,
    Jul 28, 2012 11:55 AM   in reply to carolgunn
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    Image Sequences don't have a "frame rate".  They're just a series of still images.  There's no header or other file information which can tell a program what frame rate they're supposed to be played back at.  As Adobe is an American company, and as the most common NTSC frame rate is 29.97, PP simply assumes that of all Image Sequences.

     

    You can change that in two ways.

     

    1.  Right click on the clip and select Modify>Interpret Footage... and set it for the correct frame rate.

    2.  Go to Edit>Preferences>Media... and change the Intermediate Time Base to what you want.

     
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  • SteveHoeg
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    2. SteveHoeg,
    Jul 28, 2012 12:12 PM   in reply to Jim Simon
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    We do not defaul all image sequences to 29.97 fps, the intermediate timebase is set based on your locale. For PAL countries it will default to 25 fps, but of course may be later set to other values. Interpret footage on the frame rate of image sequences is the wrong way to change this and will unfortunately may result in losing frames from the sequence. The only proper way to do this is to change the intermediate timebase in the preferences to match the desired image sequence framerate before import.

     
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  • carolgunn
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    3. carolgunn,
    Jul 28, 2012 12:34 PM   in reply to SteveHoeg
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    Thanks, Jim and Steve! Changed the Intermediate Time Base pref to 30 and now the clips are the length they are supposed to be. I appreciate your quick response, especially on a Saturday afternnon, as I might've had to waste hours in the help files! I'd forgotten how frustrating it is to be a newbie--after 4-6 weeks of help files, tutorials and experiments (including days trying to solve a problem that turned out to be a BUG in PS CS6 (see, I knew I could not hold that rant in)), my head is like a blender!

     

    thanks so much!

    --Carol.

     
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  • Jim Simon
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    4. Jim Simon,
    Jul 28, 2012 4:33 PM   in reply to SteveHoeg
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    Interpret footage on the frame rate of image sequences is the wrong way to change this

     

    I'm curios as to why.  Assuming the new value matches the sequence (the only way you should be doing it), how is this not effective?

     
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  • SteveHoeg
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    5. SteveHoeg,
    Jul 28, 2012 5:14 PM   in reply to Jim Simon
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    For still sequences the intermediate timebase unfortunately gets baked in at a layer below interpret footage and isn't overridden by it.

     
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  • Jim Simon
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    6. Jim Simon,
    Jul 28, 2012 7:00 PM   in reply to SteveHoeg
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    Good to know.  Thanks, Steve.

     

    So...does that setting affect all current image sequences, or like the Still Duration, only those imported after the change.  Meaning, if an editor wanted to use two image sequences in the same project, but at different frame rates, will one of them be messed up because it doesn't match that setting, or will both be correct assuming the setting was correct at the time of import?

     
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  • SteveHoeg
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    7. SteveHoeg,
    Jul 28, 2012 7:16 PM   in reply to Jim Simon
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    The setting is applied at time of import. If you want two image sequences at different framerates changing the intermediate media timebase between the imports will do what you want.

     
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  • Bill Hunt
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    8. Bill Hunt,
    Jul 29, 2012 10:39 AM   in reply to SteveHoeg
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    Steve,

     

    Interesting info, and greatly appreciated. I was thinking along the lines that Jim was, so learned something new.

     

    Thanks,

     

    Hunt

     
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  • SteeleEN
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    9. SteeleEN,
    Apr 11, 2013 1:24 PM   in reply to SteveHoeg
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    How come when I change the the still frame duration to one frame (so I can load a timelapse in) it still makes every photo 5 seconds long.

     
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  • SteeleEN
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    10. SteeleEN,
    Apr 11, 2013 1:45 PM   in reply to SteeleEN
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    Nevermind, I figured out a better way to do it.

     
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