For sine wave signals, the maximum charge delivered per pulse is given by: current amplitude ÷ (frequency × π × 2)
Because of the niche nature, you won't find these on Spotify. The best resources are community-driven. Estim Wav Files
Milovana hosts interactive "webteases" that often sync Estim Wav files with on-screen instructions. The famous "E-Stim Hero" series pairs WAV tracks with beat meters, turning estim into a rhythm game. For sine wave signals, the maximum charge delivered
| Parameter | Recommended Specification | Reason | | :--- | :--- | :--- | | | 44.1 kHz or 48 kHz | Prevents aliasing artifacts that cause erratic output. | | Bit Depth | 16-bit | Sufficient dynamic range for smooth intensity changes. | | Channels | 2 (Stereo) | Allows independent control of two output channels (e.g., Channel A / Channel B). | | Peak Amplitude | -0.1 dB to -1.0 dB (normalized) | Ensures full dynamic range without digital clipping, which can cause painful sharp spikes. | | DC Offset | 0.0 (AC-coupled) | Any DC voltage can cause electrolytic burns. High-quality stim files are AC-balanced. | The famous "E-Stim Hero" series pairs WAV tracks
Estim (Electro-stimulation) WAV files are specialized audio files used to control electrical stimulation devices through stereo audio signals
Estim Wav files are lossless. What the creator intended (a smooth ramp from 50Hz to 150Hz over 10 seconds) is exactly what your body feels. Always use 16-bit or 24-bit WAV files at a standard sample rate (44.1kHz or 48kHz).