20 Hz
20 Hz
Voir 20 hz FrenchStream. 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.
- Genre: Horreur
- Pays: United Kingdom
- Réalisateur: Chris Keller
- Jeter: Alix Wilton Regan,
