The effect was made by opening and closing a cupboard door slowly to get the high pitch noise. Sound recorded using a samsung galaxy s7 edge and edited in audacity. (created by derek g. ).
Opening and closing an metal oven door a couple of times. Some wind audible in recording. This was an oven door in the ruins of the bakery in inneston ghost town, south australia.
A door being opened, closed, and locked. My dog, molly, can be heard panting between opening and closing of the door. A zoom h1n and 3dio fs binaural microphone were to used to record this track.