To get a deep, menacing "horror" quality, use a pitch shifter. Some tutorials suggest layering three tracks: one at -2 semitones, one at -4, and one at -6 to create a thick, demonic sound.
Fatal Error is a "broken piece of code" held together by spite, so his voice should sound like it’s constantly failing. You can add these layers using audio editing software like or FL Studio :
Whether you are looking to create voice lines for a mod, a video, or just for fun, here is a comprehensive guide on how to achieve that signature sound. 1. The Core Voice: Software Automatic Mouth (SAM)
Creating the iconic, robotic, and "broken" voice of —the corrupted sentient virus that has taken over Sonic the Hedgehog's body—is a popular goal for fans of the Fatalverse and Friday Night Funkin' mods.