While "hot" in this context often refers to the trending popularity of retro-style development or "hot" (saturated/clipped) signal levels, the core of the appeal lies in the crunchy, nostalgic texture of 8-bit audio sampled at 22kHz. The Origins of Organya
Pixel has historically been open about fans using these sounds for non-commercial tributes, though official commercial use usually requires permission or the use of royalty-free recreations.
Using the 22kHz frequency response to naturally roll off high-end harshness. Working with the Samples
22,050 Hz (half of CD quality, creating a warm, muffled "lo-fi" feel)