Synthesis page
29
Pitch and Phase
Octave
[–2, –1, 0, +1, +2]
is sets the basic pitch of the Oscillator, in octaves. e default is 0.
Transpose
[–12…+12]
is adjusts the pitch of the Oscillator in semitones, over a range of ±1 octave. For Multisamples this also aects the
index into the Multisample map, potentially changing the sample selection, similar to transposing the entire keyboard.
Tune
[–12.00…+12.00]
is adjusts the pitch of the Oscillator in semitones with high resolution (good for continuous modulation), over a
range of ±1 octave.
Phase
[-180...+180]
is controls the phase of the waveform at the start of the note. It’s most useful when Oscillators 1 and 2 are not
detuned. Phase is not available when Mode is set to Sample.
Filter
Type
[Polysix, MS-20 LP, MS-20 HP, 2-pole LP, 2-pole HP, 2-pole
BP, 2-pole BR, 4-pole LP, 4-pole HP, 4-pole BP, 4-pole BR,
Multi Filter]
LP (Low Pass). is cuts out the parts of the sound which
are higher than the cuto frequency. Low Pass is the most
common type of lter, and is used to make bright timbres
sound darker.
HP (High Pass). is cuts out the parts of the sound which
are lower than the cuto frequency. You can use this to make
timbres sound thinner or more buzzy.
BP (Band Pass). is cuts out all parts of the sound, both highs
and lows, except for the region around the cuto frequency.
Since this lter cuts out both high and low frequencies, its
eect can change dramatically depending on the cuto setting
and the oscillator’s Multisample or Wavetable.
With low resonance settings, you can use the Band Pass lter
to create telephone or vintage phonograph sounds. With
higher resonance settings, it can create buzzy or nasal timbres.
BR (Band Reject). is lter type–also called a notch lter–
cuts only the parts of the sound directly around the cuto
frequency. Try modulating the cuto with an LFO to create
phaser-like eects.
2-pole LP, HP, BP, and BR: ese produce 12dB/octave slopes
for LP and HP, and 6dB/octave for BP and BR. A classic
synthesizer expander module used this type of lter.
4-pole LP, HP, BP, and BR: ese produce 24dB/octave slopes
for LP and HP, and 12dB/octave for BP and BR. In comparison to 2-pole lters, these create a sharper roll-o beyond
the cuto frequency with more delicate resonance. Many classic analog synths used this general type of lter.
Multi Filter. is is a complex lter which is capable of all of the 2-pole lter types, and many more besides. See “Multi
Filter” on page 31.
Low Pass
High Pass
Band Pass
Band Reject
Cuto Frequency