Weird noise from AC unit

First post in god knows how long. I’ve been busy with college and stuff. Anyways, hopefully anyone who knows stuff about HVAC can answer this question. I have an AC unit in my dorm room, and for the past week or so it makes this odd noise every 15-20 minutes and I can’t figure out what the heck it is.
Here’s a link to a video of the noise (hosted through Mega.nz):
https://mega.nz/#!QaBAWaqS!oKFSaHqkjw0yV8FSbOmD5YbwZuvprEqZ-BlxjrEQXtg
Hopefully somebody has an answer to this because it’s been quite annoying while trying to sleep. Thanks!

I’m not sure if I can hear what you’re talking about. All I can hear is air moving through it. You may want to take it up with your RA/CM/whatever you call it at your school, because they’re usually pretty good at getting things done, albeit sometimes a little later than expected. My AC was flat-out broken for a good month but they did eventually get it fixed.

I am unable to play the sound file, but it happens regularly, it’s probably just the condenser cycling on and off. This will generate a slightly lower humming noise than the ambient fan noise from the unit.

It’s definitely not broken, but the sound I was referring to was that little click, then the whirring noise in the last 4 seconds of the file. It’s quieter on my computer than it was on my phone so you may have to turn the volume up a bit.

https://youtu.be/sH3bjtxvAIM
I ended up uploading it to YouTube so hopefully you’ll be able to actually play and hear the noise.

For that little click, it’s probably just a relay activating, nothing to worry about… but for the whirring noise, I honestly don’t know.