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| SOUND MODIFIERS
Figure 33: Envelope Generator Panel
Figure 34: Ampli
fi
er Envelope
All
fi
ve envelope generators are of the same ADSR
type. Envelopes 1 through 4 and the Amp Env are
freely assignable through the modulation paths. A Hold
switch in the AmpEnv allows the ampli
fi
ers to be ‘open’
without a gate or note-on event. This is useful if you
are processing the external audio inputs through the
fi
lters or effects, and don’t want to have to hold down a
note while manipulating the various parameters. It also
allows you to use the Amp Env as a more independent
modi
fi
er.
Attack time for all envelopes ranges from 0 to 20
seconds. For Decay and Release the range is 0 to 40
seconds. The Velocity parameter controls the overall
amount of the envelope to its destination. Higher val-
ues require a greater velocity to reach their maximum
value. Atk Slope controls the slope of the Attack time;
0 is linear, 127 is exponential. D/R Slope controls the
slope of both the Decay and Release together; 0 is
linear, 127 is exponential.
Envelope Generator Segment Modulation
Each envelope segment can be modulated by a num-
ber of sources – Velocity, Keytrack, Mod Wheel, CC
1-4, and RD Slots 1-8. A negative amount will cause
shorter time values with higher velocities; a positive
value will cause longer values with higher velocities.
Careful adjustment and balance between the initial seg-
ment’s settings and the mod amount is usually needed
to obtain desired results. Shorter time values will limit
the noticeable effect of velocity modulation.
With Segment Mod at zero, the actual segment time/level is
heard. With the amount at +127, maximum velocity will give
results equal to the actual (original) time/level setting. If time
values longer than the initial setting are desired, you must
fi rst set the velocity mod amount, and then adjust the initial
setting to achieve desired results.
Likewise for amounts of negative value - when at –127,
minimum velocity will yield the original settings, and
higher values will be ‘shorter’ than the initial setting.
Envelope Generator RD Slots
Each envelope has an RD slot, allowing the user to
replace the normal ADSR envelope with any of the
RD series II envelope modules (such as the looping,
MultiSegment envelope). When the envelope’s RD
slot is loaded, the Velocity Mod and Slope controls are
ignored, as these parameters are not available for RD
slot modules.
Unfortunately, there is a permanent bug in the graphic object
that displays the number of points and values for the RD
MultiSegment Env module . This means that sometimes the
graphic will correctly represent that which was programmed
for the preset, but other times the display will not be correct,
even though the MultiSegment Env output is correct. How-
ever, it is also the case that the changed graphic display will
aff ect the actual envelope output.
