Product manual

MIDI input/output plugin
Introduction
This plugin gives input/output support for the MIDI protocol and leave the user the freedom to
control typical parameters like channels, Program Change, Control Change.
The MIDI plugin can be quite powerful used in combination with MIDI devices such as
keyboards, MIDI controllers (like Behringer BCF2000 or KORG nanoKONTROL) or software
audio sequencer like Cubase or Ardour 3.
The usage can vary from fader-to-fader controlling (the BCF2000 case) to sequence triggering for
synchronized shows (metronome controlled gigs using an audio sequencer)
Configuration
When clicking on the configuration button, a window will appear, showing all the MIDI input and
output lines detected.
Each line has two options that can be changed depending on your needs:
MIDI Channel: This is the channel where QLC+ will receive or send data through the MIDI
system. MIDI channels can go from 1 to 16. The special "1-16" channel will tell QLC+ to
receive or send data on any MIDI channel.
Mode: This is the MIDI mode that QLC+ will use to receive/send data through the MIDI
system. This parameter can assume two possible values:
Note velocity: in this mode, QLC+ will receive/send data using MIDI notes velocity.
MIDI notes can go from 21 (A0) to 108 (C8) and each note can have a velocity going
from 0 to 127, which will be doubled inside QLC+ to fit the DMX range (0-255).
Control Change: this is one of the MIDI protocol messages (like Program Change)
frequently used by MIDI controllers. Each device should list the supported CC
messages in its user manual, so please consult it before using this mode. CC range
can go from 0 to 127 and can carry values from 0 to 127, which will be doubled inside
QLC+ to fit the DMX range (0-255).
Program Change: this is one of the MIDI protocol messages (like Control Change)
frequently used by MIDI controllers. Each device should list the supported PC
messages in its user manual, so please consult it before using this mode. PC range
can go from 0 to 127 and can carry values from 0 to 127, which will be doubled inside
QLC+ to fit the DMX range (0-255).
Feedbacks
The MIDI plugin is the one of the QLC+ plugins supporting feedbacks. When QLC+ detects a
MIDI device with an output line, it will enable the feedback check box in the Input/Output panel.
Please note that output and feedbacks are exclusive, so they cannot be used both at the same
time.
If your MIDI device supports a return channel, QLC+ can send a visual/mechanical feedback to it.
Devices such as Behringer BCF2000 support this feature. This is very useful during live shows,
to have an immediate feeling of the current state of faders mapped in QLC+.
A small trick that can be achieved with QLC+, is to use feedbacks as a generic MIDI output line to
trigger external controllers/sequencers.
Let's make some examples:
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