Framerate?

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  • #2951 Reply
    Profile photo of strider
    strider
    Member

    What exactly is framerate? How do you change it (via cam/camcorder or software?) If it is any help, I use iMovies (macintosh) and a camcorder.

    #2952 Reply
    Profile photo of RevMen
    RevMen
    Member

    Frame rate is the number of frames per second (fps). A framerate of 15 fps means that for every second of film, 15 individual pictures will go by. A higher framerate means smoother animation, but it also means more individual pictures will need to be taken.

    How you set it depends on the software. I know nothing about iMovies, so I can’t help you there.

    #2954 Reply
    Profile photo of Cometgreen
    Cometgreen
    Member

    If you’re talking about live motion, and using a camcorder, you can’t change the framerate. At least not in production. You’d have to do it in post.

    If you mean for stop motion, then it all depends on how many images you capture and how long the sequence is meant to be. 15 fps is usually the best frame rate, as it can be smooth and doesn’t require so much work. 24 is still the best, imo, just because it’s more professional. :wink

    Cometgreen

    #2962 Reply

    If you want to see a small segment of film that shows an example of different frame rates and how they look and stuff, look at this post:
    http://www.brickfilms.com/phpBB2/viewtopic.php?t=274

    #2963 Reply
    Profile photo of Brian of Gep
    Brian of Gep
    Member

    What do you mean 24 FPS is more professional?

    Oh…

    You mean it increases file size by half….

    Professional…

    Riiiiiight…

    #2966 Reply
    Profile photo of The Janitor
    The Janitor
    Member

    24fps has always, to my knowlege at least, been the standard for professional stop motion animators. Most stop motions that you see on tv or at the movies were probably done at 24fps. I think thats what Cometgreen meant by professional. Plus, its considerably smoother.

    #2968 Reply

    bah
    it’s what professional stopmotion animators have to use simply because they can’t use any other frame rate with film. most of the time they just double it up to 24 anyway…

    #2970 Reply
    Profile photo of hali
    hali
    Member

    Agreed, Brian,

    Shooting ‘on twos’ at 24fps essentially equates to 12fps… (though certainly if you have the patience 24fps could reduce stuttering and smooth movement). Don’t forget professional animation studios also use post production motion blurring to help smooth some stop mo scenes even more…

    As we have all discussed before, due to ‘persistance of vision’ in the human eye’s workings (and therefore the brain’s) 12fps is about the lowest limit you can film at before things start to look too jerky.

    Most multimedia content plays at 15fps, which as far as I’m concerned, gives a pretty smooth and fluid result. I’ve shot all of my films at 15fps.

    Hali

    #2976 Reply
    Profile photo of Cometgreen
    Cometgreen
    Member

    I just meant I prefer 24 fps. I don’t mind the extra work. It also tends to give a better look than 15 fps.

    On a side note: Hali, have you been gone somewhere? I haven’t seen you post in quite a while.

    Cometgreen

    #2978 Reply
    Profile photo of
    Anonymous

    Strider, in iMovie the easiest way to change the framerate isnt exact. If you are using a camera taking still images you can import them into iPhoto and open them through iMovie(w/ version 3). Or you could import them directly to iMovie. Then, you select all the photos, and change their duration time to 00:08 seconds. This is about 12 fps. Lower the duration time to make the “framerate” higher. If your camera is taking “clips” for each shot(such as cameras with a photo option that don’t capture a still frame but rather six seconds of the same image on tape) you must import them and then there should be a option somewhere under “edit” to capture a still frame from each. This varies from iMovie 2 to 3. If you need anymore help, you can email us. We are not quite pros at this, but we have done a few films now with this technique.

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