It looks like you're referencing "LUPUS LP023" — which is a known noise gate / suppressor pedal from the brand Lupus (often associated with Harley Benton's in-house brand for budget-friendly effects).
The "Noise": The audio is the primary focus. It isn't music or dialogue, but a "layered" frequency. Listeners describe a mix of low-end thumping (resembling a heartbeat) and high-pitched screeching that supposedly induces physical discomfort, headaches, or intense paranoia. lupus lp023 the noisemkv
The most infamous aspect of the Lupus LP023 is its driver architecture. Officially, Lupus Engineering released version 5.0 of their driver in late 2019, which they called The NoiseMKV Driver. Unlike standard ASIO or WDM drivers, the NoiseMKV driver wraps incoming audio into an MKV (Matroska) container in real time, processes the audio codec stream (using a modified Vorbis decoder), and then unwraps it to your DAW. It looks like you're referencing "LUPUS LP023" —
Conversely, extreme lo-fi artists perform the "Double Noise" mod, stacking two LP023 units in series via the RCA outputs, effectively creating a 120dB noise floor used for generative ambient music and horror game soundtracks. Listeners describe a mix of low-end thumping (resembling