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this post was submitted on 07 Sep 2024
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Mercury filter, for removing impurities from mercury.
My favorite is RF filters on the C band (also known as bandpass filters). I prefer the 3.4 bandpass filters to ensure anything below that doesn't make my teeth hurt. I hear the constant whine from the frequency and it causes a sensory overload. I can't properly hear or understand what people are saying because of the constant whine really fills my hearing and that's all I can focus on. If you've ever tried to have a conversation while someone scrapes nails on chalkboard, that's what it's like
So far I've made some simple IIR (biquad), FIR (for reverb mainly, with multiple moving window of 16 samples), and a special "linear filter" (can be used to emulate linear interpolation, mainly for control values in synths like volume). One of my current goals is to get hold of the filter algorithms used in the E-Mu Proteus 2000 series of synthesizers. All I know that later on, the Emulator X series also used the same synthesis engine, but for the PC, and the ability of running it at 192kHz.