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How the Hidden Sounds of Horror Movie Soundtracks Freak You Out (2016)
From altered voices to "infrasound," these audio tricks spook and unsettle.
Distressed animal calls, women screaming and other nonlinear sounds, which are irregular noises with large wavelengths often found in nature, were used in The Shining and other movies to create an instinctual fear response, as recorded in the test subjects of a 2011 study at the University of California. At a high enough volume, it may be possible for humans to perceive sound as low as 12 Hz, but even common objects can emit infrasound, something some horror movie music composers use to their advantage. The characters embody the monster-side of human behavior and indulge; you’re bombarded with disturbing images of sexual violence, which understandably caused controversy, and the soundtrack intensifies this.
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