This might have been discussed before, but I do not think I have ever seen a video that exhibits the noise. The car was off for a few hours. This is not the first time I have heard it either. And it is very hard to pinpoint where it is coming from. All I know is, it is not coming from the engine bay. It is somewhere between the middle and back of the car.
My garage is mostly insulated, apart from the garage door. The BRZ outside temp guage was reading about 65F. The car is completely stock and just a little over 12,000 miles. Not sure if this extra info makes any difference.