Intellijel Dr. Octature II User Manual
Intellijel DR. OCTATURE II
Illustrated supplement
by Demonam
Index
01... 1-pole/6dB low-pass filter
02... 2-pole/12dB low-pass filter
03... 3-pole/18dB low-pass filter
04... 4-pole/24dB low-pass filter
05... Self-oscillation
06... Q - Quad mode
07... Filter sweep
08... Filter patch 1
09... Filter patch 2
10... Filter patch 3
11... 4 slopes filter
12... VC sine oscillator
13... Tracking filter
14... VC-Q filtering
15... Stereo filter
16... Signal crushing
17... Feedback loop
18... Self-cutoff modulation
19... Self-Q modulation
20... Bass drum
21... Ping !
22... Quadrature LFO
23... Quadrature LFO chart
24... Shepard tone
25... Automatic stereo panning
26... Variable slope random generator
27... With Intellijel Planar - Circular pattern patch
28... With Intellijel Planar - Circular pattern chart 1
29... With Intellijel Planar - Circular pattern chart 2
30... Space-time distortion (David G. Dixon)
1-pole/6dB low-pass filter
self-oscillate past 1
set filter self-oscillation
gain unipolar attenuator
unipolar attenuator for
signal to be
filtered
1-pole filter out
(45° Q-sinewave)
set resonance
o'clock
mode
set Q response
for
signal IN
Q CV input
unipolar attenuator for
FM 1 input
set FINE filter cutoff
frequency
set COARSE filter cutoff
frequency
bipolar attenuator for
FM 2 input
out
cutoff
out
freq.
increase
Q
1-pole filter out
(225° Q-sinewave)
freq.
cutoff
01
2-pole/12dB low-pass filter
self-oscillate past 1
set filter self-oscillation
gain unipolar attenuator
unipolar attenuator for
signal to be
filtered
2-pole filter out
(90° Q-sinewave)
set resonance
o'clock
mode
set Q response
for
signal IN
Q CV input
unipolar attenuator for
FM 1 input
set FINE filter cutoff
frequency
set COARSE filter cutoff
frequency
bipolar attenuator for
FM 2 input
out
cutoff
out
freq.
increase
Q
2-pole filter out
(270° Q-sinewave)
freq.
cutoff
02
3-pole/18dB low-pass filter
set resonance
self-oscillate past 1
set filter self-oscillation
set Q response
gain unipolar attenuator
unipolar attenuator for
signal to be
filtered
3-pole filter out
(135° Q-sinewave)
o'clock
mode
for
signal IN
Q CV input
unipolar attenuator for
FM 1 input
set FINE filter cutoff
frequency
set COARSE filter cutoff
frequency
bipolar attenuator for
FM 2 input
out
cutoff
out
freq.
increase
Q
3-pole filter out
(315° Q-sinewave)
freq.
cutoff
03
4-pole/24dB low-pass filter
set resonance
self-oscillate past 1
set filter self-oscillation
set Q response
gain unipolar attenuator
unipolar attenuator for
signal to be
filtered
4-pole filter out
(180° Q-sinewave)
o'clock
mode
for
signal IN
Q CV input
unipolar attenuator for
FM 1 input
set FINE filter cutoff
frequency
set COARSE filter cutoff
frequency
bipolar attenuator for
FM 2 input
out
cutoff
out
freq.
increase
Q
4-pole filter out
(360° Q-sinewave)
freq.
cutoff
04
Self-oscillation
make filter
self-oscillate
set filter self-oscillation
VCO/LFO mode
pitch CV
Put into self-oscillation, the DR.
OCTATURE becomes a stable, 1V/Oct
tracking LFO/VCO.
Sine VCO range : 17Hz to 22kHz (0.059s
to audiorate).
Sine LFO range : 0.017Hz to 300Hz (59s
to 0.003s).
set FINE sine VCO/LFO
frequency
set COARSE sine
VCO/LFO frequency
VCO/LFO sine
outputs
05
Q - Quad mode
self-oscillate past 1
gain unipolar attenuator
signal to be
filtered
set resonance
o'clock
set QUAD mode
for
signal IN
In QUAD mode, the increase of Q doesn't
make decrease the signal IN level, as
usually in this type of filter.
Illustrated here with 4-pole out.
set FINE filter cutoff
frequency
set COARSE filter cutoff
frequency
out
IN
t
4-pole filter out
(360° Q-sinewave)
moderate Q & signal IN
out
high Q : no signal IN drop
increase
Q
IN
t
06
Filter sweep
set resonance
self-oscillate past 1
o'clock
set Q response
gain unipolar attenuator
for
signal IN
unipolar attenuator for
sweep input
set FINE filter cutoff
frequency
set COARSE filter cutoff
frequency
out
trig/gate CV
sweep CV
CV out
time
sweep CV
signal to be filtered
SWEEP
out
MIDI/CV CONVERTER
07
Filter patch 1
set resonance
self-oscillate past 1
o'clock
set Q response
gain unipolar attenuator
for
signal IN
unipolar attenuator for
ADSR (1) input
set FINE filter cutoff
frequency
set COARSE filter cutoff
frequency
bipolar attenuator for
ADSR (2) input
CV out
VCO out
VCO
1V/oct. CV in
pitch CV
ADSR (1)(2) trig/gate CV
OUT
MIDI/CV CONVERTER
08
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