There are different formats all over the world, NTSA uses 23 and 29, PAL uses 24 and 25, but then you have the whole internet argument of 30 and 60 which is all for web based viewing. When you look at cinema you have two options, 24 and 48, 24 is used because that's how many drawings are in 1 second of animation, and some films have used the HFR such as the Hobbit trilogy, which show a huge difference. What I'm trying to say is that unless you're making a movie for a cinematic release then there's no point in doing 60 FPS as it really doesn't make a difference, the only thing that matters is whether it's HD or not.
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