Effects Level; Pitch; Filter; Amp - Alesis S4 Plus Reference Manual

64 voice sound module
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Editing Programs: Chapter 6
To send a drum to an individual output, use Output in conjunction with Pan. Example:
Panning a drum full left and selecting the Aux outputs means that the drum will
appear at only the left Aux output.

Effects Level

The Effects Level function determines how much of the selected drum is being routed
to the effects processor, and on which bus. Quad Knob [1] adjusts the Effect Send
level (00 to 99), and Quad Knob [2] selects the Effects Bus (1, 2, 3 or 4). Use Quad
Knob [4] to select the drum (1—10) you wish to edit.

Pitch

Pitch (-12.00 to +12.00)
The Pitch function lets you transpose the selected drum up or down one octave in
micro-step (1/4th of a half step) increments, and lets you modulate the drum's pitch
with velocity. Quad Knob [1] determines the tuning of the selected drum (±12.00).
Use Quad Knob [2] to select how much you wish velocity to affect the selected
drum's tuning (0—7). When this value is set to 7, the drum will be played sharp when
the associated note is played hard; when played soft, the drum's tuning will be
unaltered. Use Quad Knob [4] to select the drum (1—10) you wish to edit.

Filter

Velocity>Filter (0 to 3)
The Filter function lets you control the "brightness" of the selected drum by
modulating the filter frequency with velocity . Use Quad Knob [1] to set the
Velocity>Filter parameter (0—3). When set to 3, playing the associated note will
result in a brighter sound (more high frequencies), while playing softer will result in a
duller sound (less high frequencies). When this parameter is set to 0, velocity will
have no affect on the filter. Use Quad Knob [4] to select a drum (1—10) to edit.

Amp

Velocity Curve (13 choices)
Quad Knob [1] in the Amp function lets you select one of 13 velocity curves. This
determines how the drum will respond to the dynamics of your playing the keyboard.
Use Quad Knob [4] to select the drum (1—10) you wish to edit.
A LINEAR curve is the norm, whereby the increase in level is equal to the increase in
velocity; the velocity values increase as you play harder. Many of the Velocity
Curves make up sets to be used by 2, 3 or 4 drums in order to facilitate velocity
crossfading, whereby a different drum is played depending on how hard or soft the
keyboard is played. However, each drum must be in a different sound layer of the
Program in order to be stacked on the same note.
If you want to create your own velocity crossfading Program, assign the related
versions of the same drum samples ("Conga High" and "Conga Lo") the same key in
different Program Sound layers, then use the appropriate velocity curves for each
drum (in a three-way velocity split, drum 1 would use curve "1 of 3," drum 2 would
use curve "2 of 3" while drum 3 would use "3 of 3").
For more details about the 13 velocity curves, see the illustration on page 62.
Range
S4 Plus Reference Manual
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