Synthesis page
30
MS-20 LP and HP:
These 12dB/octave, self-resonating filters lovingly recreate the distinctive timbral signature of the
classic Korg MS-20. Raising Resonance will cause increasing amounts of saturation and overdrive, creating a more
aggressive tone. Input volume can have a strong effect on this character; for more information, see “Gain” on page 31.
Polysix:
This 24dB/octave, self-resonating low-pass filter provides the strong, sweet sound of the classic Korg Polysix.
Cutoff
[-4.00 or +8.00…+136.00 or +138.00 semitones]
This controls the cutoff frequency of the filter, in semitones mapped to MIDI note numbers (60.00 = middle C). The
frequency in Hz is also shown. The specific effect of the cutoff frequency will change depending on the selected Type, as
described above. Most filter types have a range of
-4.00
to
+138.00
, but the
MS-20 LP/HP
and
Polysix
range from
+8.00
to
+136.00
.
Resonance
[0.00…100.00%]
Resonance emphasizes the frequencies around the cutoff frequency, as shown in the diagram below.
When this is set to
0
, there is no emphasis, and frequencies beyond the cutoff will simply diminish smoothly.
At medium settings, the resonance will alter the timbre of the filter, making it sound more nasal, or more extreme.
At very high settings, the resonance can be heard as a separate, whistling pitch.
Low Resonance
High Resonance
Trim
[0…100]
This adjusts the volume level at the input to the filter. If you notice that the sound is distorting, especially with high
Resonance settings, you can turn the level down here.
Out (Output Level)
[0…100]
This controls the output level of the filter.