If we take the high-frequency signals to ground, we have a low-pass filter. If the capacitor is allowing lower frequencies to move through and telling high frequencies to go elsewhere, then the type of circuit really just depends on where those split signals are going. The relationship between the resistor and the capacitor determines the inflection point where the frequency of the signal is equal to the exact time the capacitor needs to charge.Ī high-pass filter is essentially the same thing. The faster the signal, the less time the capacitor has to charge, and the more the capacitor naturally stops signal from coming through. With lower frequencies, the capacitor has time to react by charging up and allows the signal to pass. Lower frequency signals stay pushing current in the same direction for a longer period of time. When it’s charged it acts like it’s just part of the wire it’s attached to (this is an oversimplification so don’t nerd-rage on me).
When it’s uncharged it acts as a barricade that blocks signal.
The basic idea is that a capacitor requires time to charge up. I’ll go lightly because honestly, for most purposes, it’s not really important to dig in like that. In the hierarchy of mixing tools, I place level at the top, panning second and EQ third - making it, in my mind, one of the most important aspects of mixing to master.īefore explaining how I conceptualize and utilize EQ to make great mixes, I’m going to head into some technical stuff.
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