Framerate?

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May 15, 2003 at 11:58 pm #2951
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strider

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.

May 16, 2003 at 12:11 am #2952
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RevMen

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.

May 16, 2003 at 1:21 am #2954
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Cometgreen

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

May 16, 2003 at 11:36 am #2962
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natethegreat86

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

May 16, 2003 at 12:52 pm #2963
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Brian of Gep

What do you mean 24 FPS is more professional?

Oh…

You mean it increases file size by half….

Professional…

Riiiiiight…

May 16, 2003 at 1:31 pm #2966
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The Janitor

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.

May 16, 2003 at 1:38 pm #2968
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Brian of Paco

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…

May 16, 2003 at 2:15 pm #2970
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hali

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

May 16, 2003 at 5:02 pm #2976
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Cometgreen

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

May 16, 2003 at 5:44 pm #2978
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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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