The most authentic way to recreate Fatal Error’s voice is by using a specialized Text-to-Speech (TTS) engine called (Software Automatic Mouth), an old-school synthesizer that provides the base "glitchy" robotic tone.

Use the following configuration for the most accurate results: Pitch: 156 Mouth: 136 Throat: 128

Many creators use (a modernized Microsoft Sam) to achieve the original "broken code" sound.

Deepened significantly to sound monstrous, but layered with a higher-pitched artifact to give it an unstable feeling.

If you're interested, I can also provide a detailed guide on the best vocal techniques for Sonic.EXE/Xenophanes, if you'd like to compare. Share public link

If you want a more "natural" but still corrupted feel, or if you want the voice to sing, you can use modern tools.

: Keep the delivery flat and robotic, but with sudden spikes in intensity or volume to show instability. Pronunciation

It provides a distinct, "glitchy" computer performance that manual voice acting often lacks. 2. The Manual Voice Effect Method

To perfectly emulate the FNF mod style, chop up your audio manually.

Before diving into the techniques, it's essential to understand the character behind the voice. This understanding will directly inform your sound design choices.