How is this noise called and how to remove it?

[Trebor]

@genbarrison

… The problem is, even the real version from the album (I bought it) as well as the official YouTube version have that noise “effect”. https://youtu.be/UKU1TMUvf3s?t=156 2:36 - 3:10
I also attached a little sample. Attachments noise.wav

Paul-L’s De-Clicker plugin can remove some of the buzz , see attached before-after …