[panic]

I was surprised at the audible difference it made to reset the RNG seed for the hi-hat noise function every time it triggered. I’m curious what the justification for doing this is—does the randomness arise from the geometry of the hi-hat itself and not the way you hit it? Is the idea to imitate the sound of sample-based percussion?

[stagas]

My understanding is that because it's a very small sample, it's basically a combination of a subset of sine waves, and because we're very sensitive to the nuances of high-pitched sounds, even small changes in that space make a lot of difference. Every RNG seed produces a different sounding hihat, and if you don't reset it, it continues producing different hihats, which is unnatural. Another explanation is also to resemble sample-based audio, but perhaps it's all of these things combined.