20 Hz
2015 · Horror · 0h 5m ·
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.
2015 · Horror · 0h 5m ·
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.
