Put it at the very beginning of a FNAF edit, before any gameplay footage, then follow it with Sudden Suspense as the first animatronic appears, and cut to a reaction sound when the office lights fail.
关于此声音
This short clip is Phone Guy speaking in the Five Nights at Freddy's 2 trailer, a calm recorded message lasting just over four seconds. His steady, matter-of-fact delivery creates a tense, uneasy feeling, as if something is about to go wrong on the night shift. It comes from the trailer for the second Five Nights at Freddy's game.