

Conducting a series of experiments in his makeshift home-lab, a skeptic IT worker tries to cure his harrowing hearing impairment. But where will his research lead him? "Masking Threshold" combines a chamber play, a scientific procedural, an unpacking video, and a DIY YouTube channel while suggesting endless vistas of existential pain and decay. Glimpse the world of the nameless protagonist in this eldritch tale, which is by no means for the faint of heart.
Sound
The entire film is an assault on your auditory system—brilliant and cruel.
Practical Effects
Gross-out effects made with household items that'll ruin your kitchen confidence.
Direction
Single-location filmmaking that makes 90 minutes feel like eternal descent.

Director
Johannes Grenzfurthner
Trivia, insights & behind the scenes
Director Johannes Grenzfurthner plays the physical body while Ethan Haslam provides only voice—a literal separation of self that mirrors the protagonist's fracture.
The film belongs to the 'analog horror' and 'liminal space' internet aesthetics that exploded on YouTube and TikTok post-2020, but shot on actual 16mm film for authentic decay.