[Dave Applesmith]

BAHAHAHA this thread is hilarious.

I’m honestly shocked by how long this thread has been here and nobody has said this..

Stephen, this is a good question, obviously you’re not the only one who’s confused by this.

When you speed up your clip in the timeline(doesn’t matter what program you are using) the playback engine IS removing the frames in EXACTLY the way you are describing. When the program renders your video so that you can watch it, it’s rendering it down to 24/30fps (depending on your settings). Remember that your screen isn’t even capable of displaying images faster than 60fps..

I’m not even going to get into frame interpolation here… lets save that for next week’s lesson. Just know that you shouldn’t be speeding the footage up by fractions. Use percentages that are multiples of 100. 100%, 200%, 300% etc.. Trust me, anything else will look bad and it will take a LOT longer to render.

If you want your time-lapse to look choppy – NOT SURE WHY YOU WOULD WANT THIS LOOK – reduce your output frame rate. Something like 15fps should produce the look you’re going for.

HOWEVER, if you want your timelapse to look authentic read this:
When people take time-lapse footage, they are typically using a VERY slow shutter speed. Depending on the subject the shutter can be open for as long as 15-30 seconds!! With a shutter speed of 15 seconds you will be getting a TON of motion blur (think of the long streaks of light as a cars whip past the camera).

Thankfully it’s a lot easier to create motion blur than it is to remove it! You can even do this right inside of Premiere Pro! (or after effects if you insist on having a backwards workflow…)

Here’s a 30 second TUT that explains the process:
https://www.youtube.com/watch?v=5-MDGovsRNw

TL;DR:
Right click the clip in timeline and speed up the footage using “Speed/Duration” effect.
THEN right click on clip again and select frame blending.
Voila…

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