Korg 01/W pro - Page 21

In a synthesizer, the shapes of the lines indicating changes over time
VOLUME
in
diagrams
such
as
these
are
known
as
envelopes.
The
block
that
PIANO
actually
creates
these
changes
as
the
sound
is
output
is
known
as
an
envelope generator (EG). Thus, the envelope generator for the am-
plifier is called the VDA EG. |
Let's try changing the settings of one of the 01/W pro's preset pro-
grams to see how the VDA EG works. Press the PROG key to enter
Program mode, and select program “A34 Harmonics.” Try playing a
TIME few notes: you'll hear the sound of a guitar's harmonics. Now press
VOLUME
|
the
EDIT
PROG
key
to
put
the
01/W
pro
in
Edit
Program
mode,
and
BRASS
move
to
page
4
(VDA
1).
The
seven
items
lined
up
in
the
bottom
line
of the display are the VDA EG parameters. If you move your cursor to
this line, a graphic showing the current shape of the VDA envelope
will appear in the upper right corner of the display.
Press cursor key |A] and raise the Attack Time (AT) setting to 60.
Then press cursor keys [D] and[EJand raise the Break Point (B) and
Sustain Level (S) to +70. Finally, press cursor key [G] and raise the
i Release Time (RT) to 60. Now try playing a few notes. The strange
VOLUME
sound
you'll
hear
no
longer
resembles
the
guitar
harmonics
you
SLOW
ATTACK
STRINGS
started
out
with.
PROG
A34
P4DA
À
bRelease
Time
Velocity
Sense=+76
KED
Track
Int=+8e
ii
EdT
ime
pear:
TO
aro
DT
me
K
pk
=
è
+
VOLUME
Ted
A+da
DTS2
etre
STP?
S+ra
E
STRINGS
PLAYED
QUICKLY
A
B
C
D
E
F
G
H
Below is a chart illustrating how the VDA EG parameters affect the
volume of a sound. Feel free to try changing the values assigned to
each, and see how the dispiay's graphic and the sound itself change
in response.
TIME
21