Yamaha VL-1 Feature Reference - 7: Scream
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Feature Reference
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7: Scream
•
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● Controller
≤
off, Modulation Wheel … Touch EG (124 settings).
The “Scream” parameter drives the entire system into chaotic oscillation, creating
effects that can only be achieved with physical modeling technology. The “
Control-
ler
” parameter specifies the controller to be used for scream control. When set to “
off
”
no scream effect variation can be produced, but an absolute scream value can be set via
the “
Value
” parameter, below.
● Depth
≤
-127 … 127.
Sets the amount of variation produced by the controller assigned to scream. The
higher the value the greater the variation. Positive values cause an increase in scream
effect in response to higher controller values (e.g. increased breath pressure or higher
modulation wheel position), while minus values cause a decrease in screan effect in
response to higher controller values. The “
Depth
” setting is reflected in the graph to the
right of the parameters — the horizontal axis represents the controller value and the
vertical axis represents scream.
● Curve
≤
-16 … 16.
Determines the relationship between the controller value and scream. When set to
“
0
” the relationship is linear. That is, a change in the controller value produces a corre-
sponding change in scream effect. As the curve value increases the lower end of the
controller range has relatively little effect on the sound while higher controller values
produce more dramatic changes. Negative curve values have the opposite effect: the
sound changes dramatically at low controller values while higher values produce rela-
tively little effect. The “
Curve
” setting is reflected in the graph to the right of the
parameters — the horizontal axis represents the controller value and the vertical axis
represents scream.
● Value
≤
0 … 127.
Determines the amount of scream effect produced when the “
Controller
”
parameter is set to “
off
”. The higher the value the greater the effect.