... but the audio on most of these clips is completely innocuous -- the sound of people calmly talking and/or laughing some distance away. Other clips are nothing but white noise, with maybe some faint conversation sounds.
Some sound like mere road noise.
This opens up the possibility that the uploader is recording voices only they can hear. Now, we're not here to mock or stigmatize the mentally ill. The whole reason this is creepy is precisely that we don't have any idea what's going on, and will probably never know. All we can do is try to glean hints.
So there's the one about "drums or construction," which does have some noise -- halfway through the video, there are two bangs that we suppose could come from a neighbor. However, the most prominent sound in the video are crickets, and the bangs are preceded by a much nearer crack that sounds an awful lot like someone sneaking around on someone else's premises and stepping on a twig.