most likely a fire alarm that needs the batteries changed
kYes however the speakers aren't that great and I would not be able to hear that computer from where I am. It's in a room with a closed door, and I can hear the beeping quite clearly.I do not recognize this sound.
smoke detector is low on batteries.
It was the aliens. They were sending out mind control waves from your phone.
ITS A PIPE BOMB!
outb4placeblows