User's Manual

50 The Editor View
The Effects modules allows one to process and shape the signal. The type of each module can
be set by using the drop-down menu located to the left of each module. They are turned on or off
by using the power button located just before the name of the effect. The effect list includes an
EQ, Compressor, Reverb, Delay, Distortion, Chorus, Flanger, Phaser, Wah Wah, Auto Wah,
Guitar Amplifier, Tremolo, and a Notch filter. The order of these effect modules in the signal
flow is adjusted by click-holding the handles located on the left of the module and dragging the
module to the desired position.
5.4.1 Equalizer
The Equalizer module provides equalization over the different frequency bands or a signal. It is
composed of four filters in series each offering a low shelf, high shelf, low pass, high pass and peak
filter option.
The functioning of the low shelf filter is depicted in Figure 26. The filter applies a gain factor to
low frequency components located below a cutoff frequency while leaving those above unchanged.
The cutoff frequency of this filter is adjusted using the Freq knob and can vary between 40 and 400
Hz. The Gain knob is used to adjust the gain factor applied to the signal in a ±15dB range. In
its center position there is no attenuation (0 dB). Turning it clockwise boosts the amplitude of low
frequencies while turning it counter-clockwise reduces it.
The high frequency content of the signal is controlled with a high shelf filter that works in
the opposite manner as the low shelf filter as illustrated in Figure 26. The filter applies a gain
factor to components located above a cutoff frequency while leaving those below unchanged. The
cutoff frequency of this filter, located above 1 kHz, is adjusted with the help of the Freq knob
while the gain factor applied to the signal, in a ±15dB range, is adjusted using Gain knob. In its
center position there is no attenuation (0 dB). Turning it clockwise boosts the amplitude of high
frequencies while turning it anti-clockwise reduces it.
Figure 26: Low and high shelf filters.