Spectrogram animation

As some of you may know, I’ve been learning about video editing lately. For the most part, it revolves around the online introductory oceanography class I’m helping develop, but there are a couple of other things I’m playing around with too.

My family is visiting from Canada, and my brother-in-law, Christian, has been showing me some cool tricks in Adobe After Effects. I often use a spectrogram to help describe how we “look at” sounds. It is pretty straightforward if you’ve seen them before but can be a bit strange the first time you see one.

In the past, I’ve showed a spectrogram and then included a separate sound file to show how they work, describing how they fit together in words. But I’ve finally figured out how to pull it all together in After Effects, and it’s surprisingly easy.

This video is pretty simple and is not much more than a couple of masks and a glow effect, with (of course) strategically placed keyframes. Here it is – enjoy!

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