it's incredibly fscking annoying - about every min or two there's a short (1 second) mechanicalish buzzing in my attic. It definetely is NOT a bee or hornet. It's not very loud, but very noticable. The only thing I can really relate it to is what one of those old fashioned hammer-style alarm clocks sound like when you put your finger on the 'bells'
http://www.lehmans.com/images/us/shire/1047195.f.jpg
It happens even when all of my stereo equipment is off. There isn't a light or fan up there that would cause this.
edit:
not a smoke detector and I doubt it's any type of bug.. it's always the same tone/pitch and duration. it seems like maybe it's quieter every couple times it happens
http://www.lehmans.com/images/us/shire/1047195.f.jpg
It happens even when all of my stereo equipment is off. There isn't a light or fan up there that would cause this.
edit:
not a smoke detector and I doubt it's any type of bug.. it's always the same tone/pitch and duration. it seems like maybe it's quieter every couple times it happens