Many estim audio files are designed to replicate sexual acts. For example, a "stroking" file uses a sine wave that slowly ramps up (the downstroke) and then cuts off sharply (the upstroke). When played in a loop, your brain interprets this as a hand or penis moving up and down your shaft. No manual vibration can replicate this cognitive illusion.
The paper you are likely looking for is titled . estim audio files
: A toggle to send the E-stim signal to one output channel while routing standard "ambient" or "instructional" audio (like music or voiceovers) to the other, ensuring the user doesn't accidentally send high-voltage signals to their headphones. Implementation Tools Many estim audio files are designed to replicate sexual acts
Use "Robotic Voice" or "R2D2 sounds." Strangely, guttural synthetic vocal sweeps create unpredictable nerve firing patterns that feel incredibly "human" on the skin. No manual vibration can replicate this cognitive illusion
Often felt as sharp, "tappy," or "bitey" pulses.
Typically perceived as smooth, buzzing, or vibrating sensations.
For users who want to go beyond pre-made loops, several tools allow for custom e-stim audio creation: DAWs (Audacity/Ableton):