Half ( !) Cutoff changes only 1 HALF OCTAVE
FOR EVERY OCTAVE change in the high
est note played. This tends to make low
er notes brighter (more overtones) than
higher notes, since the VCF cuts out more
and more overtones as the pitch of a note
rises.
Off (0) Cutoff is NOT AFFECTED by keyboard
pitch. Lower notes are much brighter than
higher notes, as explained above.
EG Intensity has a range of S (no sweep) to IS
(maximum sweep).
KBDTRACK
VALUE
100%
2
50%
1
OFF 0
The next three parameters, POLARITY, EG INT and TRIG
GER, all affect the way that the VCF “envelopes” or changes
timbre over the life of a single note. These contours (produced
by DEG 3) are very important in creating expressive sounds.
Getting a sound “just right” will often require you to go back
and forth between ALL of the VCF parameters several times,
since they all interact in producing the final sound.
POLARITY
The Polarity parameter determines how the Cutoff Fre
quency is affected by Digital Envelope Generator #3.
• When Polarity equals .?, the Cutoff Frequency is
swept UP during the attack portion of the envelope,
and down during the decay portion etc., for a “ nor
mal” envelope effect.
• When Polarity equals I , the Cutoff Frequency is
swept DOWN during the attack portion of the enve
lope (the envelope is inverted).
• If EG INT ( W5 ) is zero, the Polarity parameter has
no effect, regardless of its setting.
POLARITY
VALUE
A n
2
V '
1
EG INT
VALUE
Sweep deep
15
1
Sweep shallow
1
None
0
‘■IS TRIGGER
Selects one of two keyboard triggering modes for DEG
3, which controls the VCF (as well as Noise).
Single ( ! ) DEG 3 will be triggered by the FIRST note
played, causing a normal Attack - Decay
- Break Point - Slope cycle to sweep the
VCF. The Envelope attack cycle will NOT
be retriggered (restarted) by any new keys
played until ALL keys are released and a
new “first key” is played.
This allows you to use your playing style
to control when new VCF attacks will oc
cur. For example, legato playing could
produce smooth even sounds, while stac
cato playing could produce sharp percus
sive sounds.
Multi ( ) DEG 3 will be triggered whenever a new
note is played, even if other keys are still
being held down.
This mode allows fast and fluid playing
without having to lift fingers off precisely
to produce a consistent sound.
TRIGGER VALUE
Multi
2
Single
1
NOTE:
The Trigger parameter only affects DEG 3. DEG 1 and 2 are
always triggered whenever a new note is assigned to the cor
responding DCO.
‘■:s
EG INT
EG Intensity controls how much the VCF Cutoff Fre
quency is affected (swept) by Digital Envelope Gener
ator # 3 (DEG 3). (The Polarity parameter controls
which direction the VCF is swept in.)
3.4.6 CHORUS
The built-in Stereo Chorus produces a warm, subtle ambience
that enriches many types of sounds. It is especially effective
when headphones or both line outputs (panned separately)
are used. The Chorus effect may be programmed ON or OFF.
17
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