KORG M50-88 Parameter Manual: Controlling The Insert Effects Via Midi

M50 music workstation.
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Effect Guide
Bus (Bus Select)
This parameter enables you to specify the destination bus
for the post-IFX signals.
L/R is a common setting to send signals to the Total Effect
(TFX) before they are routed to the AUDIO OUTPUT L/
MONO and R outputs.
If set to Off, the signal will not be sent to the L/R bus.
Choose this setting if you want to use the Send1 or Send2
levels to route the signal through a master effect in series
(i.e., not as a send effect).
FX Ctrl (FX Control Bus)
This specifies the FX Control bus that follows the insert
effect. The FX Control buses (FX Control 1, 2) are mono two-
channel buses.
The M50 provides two (mono two-channel) effect control
buses, giving you a wide range of ways to control effects.
FX Control buses can be used with vocoder, limiter, and
gate-type effects.
For details on the effects that be used with FX Control buses,
see "FX Control Buses" on page 274.
As an example, here's how you can use the FX Control bus
following an insert effect.
Example: Gated Reverb
When using a gate effect with a reverberant sound, using the
reverberant sound to control the gate may not produce the
desired results because the reverb extends the duration of
the sound. Normally, you will use the un-reverberated
sound to control the gate, as shown in the diagram below.
In this example, we send the sound from the OSC etc. to
IFX1 and process it through an equalizer. IFX1 is sent via
Chain to IFX2 and also sent via "Ctrl Bus" (FX Control Bus)
to 1. The Envelope Source of IFX3: Stereo Gate is set to FX
Control 1. This allows the gat to be triggered by a signal
other than its input (the reverberant sound).
Gated Reverb Example
IFX1
Bus Select
OSC1&2
: IFX1
007: St.Graphic
Timbre/Track
7EQ
Send1, Send2
These parameters enable you to set the send level of the
signals routed to Master Effects MFX1 and MFX2. The signal
is sent in stereo to master effects MFX1 and MFX2. This is
valid when Bus (Bus Select) is L/R or Off.
If you are not using any Insert Effects, use Send1 and Send2
of the P8: IFX– Routing page in Program, Combination,
Sequencer, and Song play modes to set the Master Effect
send level.
Send1 responds to CC#93 and Send2 responds to
CC#91.
280
Chain to
IFX2
Chain to
IFX3
: IFX2
: IFX3
005: Stereo Gate
070: Reverb Hall
Envelope Source
: FX Ctrl1
FX Control Bus
: 1
(FX Control Bus1)
Controlling the Insert Effects
via MIDI
Using the Dynamic Modulation (Dmod) function enables
you to control all effect parameters in real-time during
performance from the controllers of the M50 or a connected
MIDI sequencer. You can also control the Pan: CC#8, Send1,
and Send2 parameters in the same way.
Program mode
You can control the parameters on the global MIDI channel
(Global 1–1a).
Combination mode
The P8: IFX– IFX1–5 page lets you specify the control
channel "Ch" (Control Channel) for IFX1–5. You can choose
from CH01–16, Gch, or All-R (All Routed).
Ch01–16: Select this when you want to control each insert
effect from a different channel. An "*" symbol will be
displayed at the right of the MIDI channel Ch01–16 of the
timbre that is routed to each insert effect. If the routed
timbres have different MIDI channel settings, this parameter
is used to specify the channel that will control the insert
effect.
Gch: Select this option if you wish to control the parameters
on the global MIDI channel (Global 1–1a). This is a common
setting.
All-R: Select this option to control the parameters on all the
channels (channels 1–16 that have a "*" mark) that are
routed to the corresponding Insert Effects.
If you've selected a drum program for a Combination
mode timbre or a Sequencer mode track, and set its Bus
(IFX/Output) Select to DKit (8–1–1(2)d), the MIDI
channel of that timbre/track will be valid if any one of
IFX1–5 is set to All-R, regardless of the drum kit's Bus
(IFX/Output) Select (Global 5–4b) setting or the menu
command DrumKit IFX Patch setting.
Bus Select
Sequencer mode
: L/R
Use "Ch" parameters of the P8– IFX1 – IFX5 pages to set up
the control channels for IFX1–5. Select an appropriate option
from Ch01–16 and All Routed.
Ch01–16: Select this when you want to control each insert
effect from a different channel. An "*" symbol will be
displayed at the right of the MIDI channel Ch01–16 of the
track that is routed to each insert effect. If two or more tracks
with differing MIDI channels Ch01–16 are being sent to a
single insert effect, this parameter is used to specify the one
track that will control the insert effect.
All R: Select this option to control the parameters on all the
channels (channels 1–16 that have a "*" mark) that are
routed to the corresponding Insert Effects. All R is a typical
option. If you wish to control the parameters on a single
channel, you may select it from Ch01–16.
Note: Since Sequencer mode lets you record and play
exclusive messages and edit tracks that include System
Exclusive events, you can use them to switch effects or
modify effect parameter values during song playback.

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