ABSYNTH 5 Reference Manual – 70
Feedback Panel
Furthermore, the allpass lters are equipped with a feedback loop. Its function and parameters
are detailed at section 5.5.3, “Feedback Loop and Feedback Panel”, above.
5.5.7 Bandpass
Bandpass Filter BPF
Bandpass lters combine a highpass and a lowpass lter: they dampen all frequencies that
lie outside a particular frequency range dened by two cutoff frequencies (or by a middle
frequency and a bandwidth). This means that this particular frequency range is allowed to
pass through, whilst lower and higher frequencies outside the range are suppressed.
Main Panel
ABSYNTH 5’s bandpass lter BPF has the following parameters:
•
FrequencycontrolandFrequencymenu: The Frequency control allows you to set the
middle frequency in semitones (Trans) or in Hertz (Hz), upon the selection in the nearby
Frequency menu.
•
Qcontrol: Sets the bandwidth of the lter around the middle frequency. Its values go from
0 to 1000Hz.
• Dampingcontrol: Allows you to balance out any level uctuations introduced by the lter
(in dB).
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