In this case, I think they're mostly referring to "The Hum"[0] that others have been talking about, since the article is about the source of this noise. When it

In this case, I think they're mostly referring to "The Hum"[0] that others have been talking about, since the article is about the source of this noise. When it's lower frequency and not this easy to locate, it would be great if there were some other way to go about it. [0]https://en.wikipedia.org/wiki/The_Hum https://en.wikipedia.org/wiki/The_Hum