GHi is a resonant high-pass filter. It is
used to remove all frequencies from a signal below a given cut-off point.
Increasing the resonance of the filter causes the
frequencies around the cut-off to be boosted.
Resonance can create large peaks in the output. Because of
this, the GUI features a peak display showing the maximum peak output level.
The peak display is reset by clicking on it.
High-pass filters are especially useful for removing
unwanted or inaudible bass frequencies. In a mix, you usually want the bass to
come from one or two specific tracks. Removing the bass from the other tracks
can make mixing easier and help eliminate "mud" from the final mix.
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