VCO BANK
The
Voltage
Controlled Oscillator
(VCO)
is
the primary source of sound for
a
synthesiser, and determines the pitch
and bas*c
tonal quality, or timbre, of all
sounds produced. The Korg Mono/Poty is
comprised of four separate VCOs. «ach
with independent Octave.
Waveform
and
Level controls,
for fattest sounds and
maximum
flflKib'litv A
white
Noise
source with
its own Level Control »s also
induded in this section
Having
separate
controls
per VCO
olfer*
the
following
advantages:
• In
the
Monophomt lUntson) mode,
allows mixing of different waveforms
and/or
octaves
in the same note, for
richer, fuller
sounds,
• In ihe Poly, Unison/Share and Chord
Memory modes, the
use*
may struc-
ture highly complex polyphonic
chords with different octave and/or
timbre
selection
for
each note. or. he
may
create four
note
homogeneous
sounds (all
notes with
the same
tim*
tart).
• VCOs can
be
arpeggiated or even
played sequentially (<**, a different
VCO sound for each new Key depres-
sion),
by
using the MP-4's Arpepolator.
This can produce interesting mythrnic/
random-type effects especially when
different
octave, waveform and/or
level
setting*
per
VCO are used.
1. Tuning Controls
Overall tuning among
the
four
VCOs Is
determined
by the
different
Tuning con
trols,
as
follows
Trampott:
Transposes the pitches
of
all four VCOs up
or
down one octave
(The rear panel CV OUT jack is also
affected
by this
switch).
Miner Tune
(in
VCO J section):
Varies the pitch of all four
VCOs
simul*
taneously over
a
range of ±
50
cents, for
tuning the Mono/Poly
to
Other instru-
ItWl is, etc
Individual Tune IVCOs 2, 3. A)
Varies the tuning of the
individual
VCOs
relative
to VCO 1 by i SO cents. Theea
controls are normally
used to initially
tune all
four oscillators
to
unity
pitch;
once
tuned,
these controls
should not
require furl her
adjustmenL
Detune:
Single control automatically
"spreads"
ihe
tuning
of the
A VCOs
m
opposite
directions, for creating an
ex-
tremely fat "animated"
lead
sound
in the
Unison
Mode
Oscillators are conve-
niently returned
to
perfect intonation
by
turning
the Detune
control
back to
"0"
for Polyphonic playing, without
con
stentlv
having
to adjust separate VCO
Tune controls.
0*e
VCOs Ispermungsgeregelte Owil-
LatorenJ bestimmen Tonhohe und
den
Grundklang
Oas
Mono/Pory ist mtt vier
VCO-Modulen beatucki Es ist deher in
der Lags, boi rTuynophonem
fietrieb sehr
complex
strukturlerte Klangesu erjeugen
Mil den
KEY ASSIGN MOOETasten
xann
such
auf poryphonen
Betrieb
umgeschaltet werden.
Lee
oscillateurs a>
frequence
rAgloe oar
variation de tension (VCO)
determinant
L
hauteur
du
son et le timbre fondamentai
Le synth^tiseur
Mono/Poty
est equlpes de
ojuatre oscillateurs VCO
modutoires
et
ceci
lui confer*
la
possibility
de
produtre
des sons en couches
complexes
des peue
inhebrtuels torsque
I* instrument
est utltbtf*
en synthenseur
monophonique.
Lea
boutons de mode
d'sffectation
vou*
permanent
aussi de
procecler
a una
commutation
de
Vinstrument
en
*ynth#V
nseur
poiyphoniQue 4
votes
1 1 TUNE
Fur separate Feinstirnmung
der
VCOs
2. 3
und 4 0* Tonhohe kann um i50
Cents IHundenstet eines Ha*toru)
abgewandelt werden. Den Akkordspeicher
(CHORD MEMORY) vervvenden. wenn
starkere Tonhohen Abvmchungen en
forder!»ch sind
2) WAVEFORM
Es
kann zwischen vier VCO-Wellen
former gewahlt werden.
A
(Dreieckweliei.
N
I5ageiahnwelie) . Impulsweile und
mooXjtierbarer impulsweile
1)
TUNE
Regiages J 'accord fin lnd6pendant dee
oatilieieurs
VCO 2. 3 et
4,
La
hauteur
du
son peut
etre
rode dans
una marge de
tfjQ
cents.
L'emploi de la rnftrnoire
d
'accord permet d'ajouter una variation
plus maroi>£> de la hauteur du son quand
celtooeetdeerrea.
21 WAVEFORM
Ce reglage vous
offre un choix
dea
formes d'ondes
des
quatre oscillateurs
A (onde
trtangutairel.
N(Onde
en dents
de soe),
modulation par impulsions de
duree variable
ou
PWM et impulsiona
de durte rotable ou W.
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