ARTURIA – CS-80V – USER’S MANUAL
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The high-pass filter
The band-pass (BPF) eliminates frequencies situated on either side of the cut-off
frequency. It is in fact the addition of a low-pass and a high–pass filter. Use it to
focus on a particular band of frequencies that you wish to emphasize. This will make
the sound more «pinched». On the CS-80V, you obtain this type of filtering by
combining the actions of a high pass filter and a low pass filter as there is technically
speaking no separate band-pass filter.
The band-pass filter
A second setting to compliment the cut-off frequency: the resonance
(you will also find it called «emphasis» or «Q» – for Quality of filtering)
The resonance amplifies frequencies close to the cut-off frequency; the other frequencies
remaining are either unchanged (before the cut-off frequency) or reduced (after the cut-
off frequency).
You can increase the rate of resonance through the resonance slider.
When you increase the resonance, the filter becomes more selective, the cut-off
frequency is amplified, and the sound begins to «whistle».
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