Clavia Nord Modular & Micro Modular V3 [199/232] Connecting modules

Clavia Nord Modular & Micro Modular V3 [199/232] Connecting modules
NORD MODULAR V3.0 8. Synthesis basics: Subtractive synthesis
Page 191
LFO
LFOLFO
LFO
LFO is an abbreviation for Low Frequency Oscillator. It is used for repeating variations in a sound, such
as vibrato or tremolo.
C
CC
C
O
OO
ON
NN
NN
NN
NE
EE
EC
CC
CT
TT
TI
II
IN
NN
NG
GG
G
M
MM
MO
OO
OD
DD
DU
UU
UL
LL
LE
EE
ES
SS
S
There are many ways in which the modules outlined above can be connected in a synthesizer, but the
example in the picture below is a quite common one for “hardwired” synthesizers.
Note that the horizontal lines indicate the way the sound travels. The vertical lines indicate control sig-
nals. The envelopes for example only
modulate
(control
)
the oscillator, filter and amplifiers, they do not
affect the sound directly.
T
TT
T
H
HH
HE
EE
E
O
OO
OS
SS
SC
CC
CI
II
IL
LL
LL
LL
LA
AA
AT
TT
TO
OO
OR
RR
RS
SS
S
A
AA
AN
NN
ND
DD
D
W
WW
WA
AA
AV
VV
VE
EE
EF
FF
FO
OO
OR
RR
RM
MM
MS
SS
S
The two basic qualities of an oscillator is waveform and pitch.
P
PP
P
I
II
IT
TT
TC
CC
CH
HH
H
The picture of the sawtooth below displays a sawtooth waveform. During tone period of the wave, the
wave raises gradually up to maximum level and then instantly drops back to minimum level. The length
of the period determines the pitch (frequency) of the sound. The shorter the period, the higher the pitch.
If you for example make the oscillator play at a frequency of 440Hz, there will be 440 periods of identical
sawtooth waves generated per second.
Normally there are three ways to change the frequency of an oscillator:
1. By making manual settings: On the Nord Modular for example, you have an “Oct Shift” setting for
all oscillators and separate Semitone and Fine Tune adjustments for each separate oscillator module.
Oscillator
Noise
Oscillator
Mixer
Filter Amplifier
Output
LFOEnvelope LFOEnvelope Envelope LFO
Audio Signal
Control Signal
One Period

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