
MovieΒ·2015Β·0h 5m
20 Hz
β
6.0Horror
Synopsis
Human hearing is capable of detecting sound waves between 20 and 20.000 Hz. β¦ merely a small fraction of the frequency spectrum. Most sounds around us go unnoticed.

Human hearing is capable of detecting sound waves between 20 and 20.000 Hz. β¦ merely a small fraction of the frequency spectrum. Most sounds around us go unnoticed.