PROGRAM > MS-20EX: MG, EG, and Modulation 5–1: MG, EG, and Modulation
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PROGRAM > MS-20EX: MG, EG, and Modulation
5–1: MG, EG, and Modulation
5–1a: VOLTAGE CONTROLLED AMPLIFIER
VOICE ALLOCATION [EG1…EG6]
When the EG selected here completes its release stage, the
voice will be silenced, and its processor resources freed.
Normally, you should leave this at the default setting, EG2.
If EGs other than EG2 are modulating volume (see below),
then select the volume-related EG with the longest release
time.
Note: The EG selected here cannot be retriggered once it
enters its release phase.
What does this mean, and when is it useful?
NAUTILUS allocates processing power automatically as
you play and release notes. In order to do this, the system
needs to know when a voice has finished playing.
With most EXi, the system does this by looking at the
dedicated Amp EG; when the Amp EG completes its release,
the system knows that the voice has finished.
The MS-20EX is more complicated than most EXi.
Depending on the Patch Panel and AMS settings, several
EGs may act together to control the output volume. For
instance:
• EG 1 and EGs 3-6 may be routed to the Patch Panel’s
VCA INITIAL GAIN input
• EGs 3-6 may control the VOLUME knob via AMS
• Via AMS, EGs 3-6 may also control the levels of other
modulation sources (such as EGs 1 & 2, the MG, LFOs,
etc.) routed through MIXER 1 or MIXER 2, and then
patched to the VCA INITIAL GAIN input
To handle all of these possible cases, instead of using a fixed
“Amp EG” to determine when the voice is finished playing,
the VOICE ALLOCATION parameter lets you select
which EG to use.
For best results with any of these special-case setups, set
VOICE ALLOCATION to use the volume-related EG with
the longest release time.
5–1b: MODULATION GENERATOR (MG)
The MG is shared between all MS-20EX voices, similar to
the Common LFO. For per-voice modulation, use LFOs1–4
instead.
The saw/triangle and pulse/square waveforms are both
generated all of the time, and available separately on the
Patch Panel. Each is also available as an AMS source,
named MG Tri and MG Pulse, respectively. Note that the
AMS versions will have slightly softer edges than the signals
available on the Patch Panel, and via the External
Modulation sections.
5–1PMC
5–1e5–1d
5–1c
5–1f 5–1g
5–1a
5–1b
5–1h
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