Yamaha CS-80 - Page 37

VCF
jVoltagie
Controil&d
Filter!
(261
HPF
-
Sets the cutof-f point of the High Pass
Filtsr
(low cut
filter).
With the
slictef
at
LOW,
th&
cut-
off
frequency
i£
lowest
[fklter
wide
open)^
^nd at
HI<3H
the
cutoff
frequency
is
highest if
i
Iter
clo&edf.
[271
RES^
-
Sets the
Resonance
(0)
at
the cutoff
point of the
High
Pass Filter
Th& HIGH
setting
gives
Ttidj<iniuiT»
rescmance.
[23i
LPF
-
Set5^
the cuto-ff
point
of the LOW Pass
Filter
(high
cut
filter). With the slider at LOW, the cut-
off
frequency
is lowest
filter
closed), and at HIGH the
cutoff
frequency
is highest {filter wide open).
[29]
RES.
-
Sets the Resonance
(Q)
at the cutoff
point
0"f the Low Pass
Filter.
The HIGH
settiny
gives
maximum resonance.
11^ iF ^f7
\L
Wh^l Yeu Hmm\
-C* -If -(i^ K-
Fnecujencies
^^'
by
HPF
.CJL
33
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^iXlp^^
S*?einrj5
znx
F ir«c|uerkcie£
^litmir^Bted
by
LPF
\L
HE£|.
VCF Envelope
Generator
NOTE:
Yamaha's fiker
envelope
^ner^tor,
with
^'IL-AL-A-D-R/' is unique
among
synthesizers.
[30]
IL
-
(Initial Level) Lowers
the
initial
filter
cut-
off
points of the
high
pass
and
low pass
filters {when
a note is first played)
relative
to
the
"steady" levels
set with the
HPF
and
LPF sliders. Moving IL up
towarcl
"-5"
is like starting with
HPF
and
LPF
lower
than
their sustained cutoff
points
and
then
moving
them together to
their
sustained
levels.
[31
1
AL
—
(Attack Level) Raises
the
filter cutoff
points
when a note is first
pEayed,
The
AL rise occurs
while you hold a key
down,
beginning from
the
"steady"
Cutoffs
set with the HPF and
LPF
sliders,
going
to
the
maximum frequency set
with
AL slider,
end
then
returning to the "steady"
cutoffs.
[32]
A
-
(Attack
Time) Adjusts how
long
it
takes
for the
filtE^rs to move from the
ami
nimum
I
L
to
the
maximum A L cutoff frequencies
when
either
or both
of
thes&
sliders is moved, up
from
''0".
Attack Time
has no effect if IL
and
AL
are
hcth
at
'0".
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