9

Table Of Contents
Fat (Fatness) button: Enables or disables the fatness feature. Fatness preserves the bass
frequency response of the loaded sampler instrument, even when high Resonance
settings are used.
Note: The Fatness parameter applies only to lowpass filters. Fatness is nonfunctional
when the highpass or bandpass filter types are active.
Choosing the EXS24 mkII Filter Mode (HP, LP, BP)
The EXS24 mkII filter can operate in several modes, allowing specific frequency bands to
be filtered (cut away) or emphasized.
Select one of the following buttons at the bottom of the filter section to choose a filter
mode:
HP (highpass): This filter type allows frequencies above the cutoff frequency to pass.
The slope of the highpass filter is fixed at 12 dB/octave in HP mode.
LP (lowpass): This filter type allows frequencies that fall below the cutoff frequency to
pass. Click any of the four buttons under the LP label to engage the lowpass filter, and
choose a filter slope: 24 dB (4 pole), 18 dB (3 pole), 12 dB (2 pole), and 6 dB (1 pole).
The 24 dB setting can be used for drastic effects, such as cutting off all but a few notes.
The 6 dB setting is useful for creating a slightly warmer sound, without drastic filter
effects—to smooth overly bright samples, for example.
BP (bandpass): The frequency band directly surrounding the cutoff frequency is allowed
to pass. All other frequencies are cut. The Resonance parameter controls the width of
the frequency band. The bandpass filter is a two-pole filter with a slope of 6 dB/octave
on each side of the center frequency of the band.
Using EXS24 mkII Filter Cutoff and Resonance Parameters
The following section outlines the impact of the filters Cutoff and Resonance parameters.
If you’re new to synthesizers, and the concepts behind filters, see Filters in Synthesizer
Basics.
The Impact of Cutoff Frequency on the Signal
The Cutoff Frequency (Cut) parameter controls the brilliance of the signal.
In a lowpass filter, the higher the cutoff frequency is set, the higher the frequencies of
signals that are allowed to pass.
In a highpass filter, the cutoff frequency determines the point where lower frequencies
are suppressed, with only upper frequencies allowed to pass.
In a bandpass/band-rejection filter, the cutoff frequency determines the center frequency
for the bandpass or band-rejection filter.
183Chapter 9 EXS24 mkII