What is this camera shaking effect? (lemmy.world)

submitted 1 year ago* (last edited 1 year ago) by mypasswordis1234@lemmy.world to c/asklemmy@lemmy.world

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This question is addressed to people who are familiar with video processing/editing.

So... I found some guy on YouTube who creates cinematics for Minecraft servers (I'll paste a link to an example of one of his videos below).

From what I've managed to notice, he uses time remapping to slow down and speed up the footage so that the movement of the virtual camera is synced to the music.

However, in addition to this, he also uses a "bouncing camera?" effect. I have no idea what to call it and hence my question.

What is this effect of shaking the camera in sync with the music? What tools/software should I use to get a similar effect?

Minecraft game itself does not have any tools that allow you to achieve such effects. So I'm sure it's edited.

Here is the link: https://www.youtube.com/watch?v=u20bYZKP6oU

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[-] chmclhpby@lemmy.world 4 points 1 year ago

This is a camera shake effect that has been added before the speed ramping. Most video editors can do this effect:

in Premeire you can keyframe the position, scale, and rotation over time or get premade “camera shake presets” (you can google for them). After this you would nest the clip and do your speed ramping
in After Effects you can use key framing or expressions on the position/rotation/scale properties or use third party effects like sapphire shake. After this you would precompose the clip and do your speed ramping.

[-] mypasswordis1234@lemmy.world 1 points 1 year ago* (last edited 1 year ago)

Why before speed ramping? Isn't it simpler to adjust the footage speed first and then add the shaking effect? I think it would be much easier to synchronize it with the music that way.

[-] chmclhpby@lemmy.world 1 points 1 year ago* (last edited 1 year ago)

I believe this is what’s happening in your reference clip. The reason the camera shake looks like it’s synchronized to the music is because the speed ramps up on every beat, causing the camera shake to be more pronounced each beat

If you added the shake after the speed ramping the “intensity” (really frequency) of the motion would remain constant and it wouldn’t look like the reference video

Edit: Your base camera shake would have a constant frequency/motion. The speed ramping would give it the pumping in time to the music

[-] mypasswordis1234@lemmy.world 1 points 1 year ago

So that guy:

recorded footage of the virtual building/object, the camera moves at a constant speed
added camera shaking (?)
added speed ramping to sync with the music

Just how did he make the camera shaking perfectly synchronized with the music?

[-] chmclhpby@lemmy.world 1 points 1 year ago

Take a look at around 0:15 of the video - it’s clear that the pumping motion of the camera which is synced to the beat is a result of the speed ramping. When it’s slowed down, you can still see the camera shakes, but they’re not as apparent because they’re slow. At the moment where it’s sped up, the camera motion becomes much more apparent because the speed ramping allows more camera movement (shake) in a certain period of time.

Of course, there is no right or wrong order. You can do this by adjusting your shake keyframes to match the beat but if you’re looking to recreate that effect this is my best guess

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this post was submitted on 03 Aug 2023

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