14
Using mio MIDI Management to Optimize Your Rig
The factory setup for your mio4 connects “everything to everything,” so you can quickly get
gear connected, use your controllers, and listen to your sounds.
Once you have your gear connected and working, and you’ve become familiar with the mio4’s
MIDI management features, we recommend you spend some time tweaking your settings to
improve efficiency, minimize latency, and avoid potential data loss.
Here are some recommended guidelines for optimizing your setup, to be done in the order
shown. Don’t forget to save your new configuration to the mio4 for next power-up:
1.
Reserve controllers on USB host ports.
When devices are connected to the USB host jack they are assigned MIDI ports on a “first come first
serve” basis. To ensure a consistent, optimized system you need to ensure that hosted devices
always appear on the same MIDI port every time they are connected. You can reserve a port on the
USB host jack for a certain device by choosing that device from the drop-down list on the MIDI Info
page. Devices are recognized by the manufacturer and model only. If you have two of the same
controller and they have different setups then ensure, that they are always connected to the same
port on your USB hub, then when mio4 powers up it will enumerate the controllers in the same order
every time.
2.
Disable MIDI outputs for controllers that only send MIDI data.
Many controllers send MIDI data but ignore any MIDI data that is sent to them. Good examples are
Korg nanoKey/microKey or the multitude of Akai MPK controllers. Suppose you have eight of these
controllers connected to the
USB host jack
: every time you press a key on any one of these
controllers that key event is sent to the other seven controllers, which wastes data bandwidth
because they don’t respond to key events. You can use your mio to save seven times the bandwidth
and processing simply by disabling the MIDI outputs for those eight controllers. The easiest way to
do this is to go to the
in iConfig and uncheck the “output enable” box. This will
prevent any MIDI events from being sent to those controllers. If you have MIDI controllers on the
USB host jack that need to receive MIDI input of some kind (e.g. because they generate sound or
you need to send sysex dumps to them) then don’t uncheck the “output enable” box. These we can
optimize in a different way (explained later).
DIN ports
are a bit different in that you can separate the MIDI IN and MIDI OUT signals for each
port to different boxes. For example, you may have a MIDI controller attached to DIN 1 IN and a
sound module attached to DIN 1 OUT. In this case you wouldn’t want to uncheck the “output enable”
box for DIN 1 port. These we can optimize in a different way (explained later).
3.
Disable MIDI inputs for controllers that only receive MIDI data.
Perhaps you have a sound module that never sends MIDI data, or a sound module that sends MIDI
data that you don’t need. It’s best to remove that module as a source of MIDI data. The easiest way
to do that is to go to the
in iConfig and uncheck the “input enable” box. If you have
MIDI controllers on the USB host jack that need to send MIDI data of some kind then don’t uncheck
the “input enable” box. These we can optimize in a different way (explained later).
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