The noise most miners make is consistent.
~~
anyway when I have time I will make a video using my Decibel meter from inside the miner room, then outside the plasterboard setup, then outside the entire room.
I have a mixture of miners, S17+, Ebang, Avlon, GPU...
I believe, Ivanko88.

Sometimes you don't need complicated things to get the desired results.
But of course it will be good to see this test, because it will certainly help more users.