[Linux] Heavy Audio crackling when recording, happens every "x" amount of minutes

Operating System Info

Other

Other OS

Fedora Linux

OBS Studio Version

31.1.1

OBS Studio Version (Other)

No response

OBS Studio Log URL

https://obsproject.com/logs/jlOEgYhaOXOs0pi7

OBS Studio Crash Log URL

No response

Expected Behavior

The audio recording doesn't crackle

Current Behavior

The audio recording crackles a lot.

Basically this has been happening since I've switched to Linux one year ago, and it's still present in the latest version of OBS, 31.1.1

In the title I've said that this happens every "x" amount of minutes, because I don't know precisely how many minutes it takes to repeat the crackling, but it happens again after some minutes, so you end up with a recording full of crackling in the audio, making certain parts of the video not understandable.

Here are some videos that are affected by this issue, all of this videos are recorded on Linux, and these are just a tiny amount of videos where I've heard this issue appearing:

5:52
https://youtu.be/cYevedtNuEk?si=nA2-6US7-lKzvk6S

25:54
https://youtu.be/lNyuz7y4iRU?si=xRQjFFXJYbTUT-Wk

3:46
https://youtu.be/42KxUr_trXw?si=8X3jS5s9vMNu1hDX

14:26, 28:11, 51:11, 1:03:28 (and in many other parts of the video)
https://youtube.com/watch?v=ZkdYM-HmcY8

Brodie also made a post about this exact issue, as you can hear it in many of hist videos too
http://youtube.com/post/Ugkxwe1dI5FwTH4qCmj8pJTFCYD3hxOtUmJa?si=PuPAkmnsIlRVAMjG

Steps to Reproduce

1. Record with OBS on Linux

Anything else we should know?

No response

Start by reviewing the linked OBS log and the reported crackling timestamps in the example videos. Reproduce a recording with OBS Studio 31.1.1 on Fedora Linux, then compare the recording and log to determine what causes the recurring audio crackle. Done means the cause is identified and a fix or clearly verified diagnosis is available.