20 Hz
ShortHorrorThriller
Human hearing is capable of detecting sound waves between 20 and 20.000 Hz. ... merely a small fraction of the frequency spectrum. Most sounds around us go unnoticed.
Director
Chris Keller
Writers
N/A
Stars
N/A
Language
English
Country
United Kingdom
💰 Box Office
🎯 Categories
HorrorThrillerShort
📖 Synopsis
Human hearing is capable of detecting sound waves between 20 and 20.000 Hz. ... merely a small fraction of the frequency spectrum. Most sounds around us go unnoticed.