MIDI Applications – Chapter 6
Wedge Reference Manual 71
Realtime Sysex Control
The Wedge sends all parameters changes to the MIDI Output. This allows you to
record parameter changes to a MIDI Sequencer as a sequence plays back, then hit
play on the sequencer to automate these changes. Some possibilities include:
• Editing the Decay Time to be longer during verses and shorter on the chorus
• Adding filtering to a delay during a break in the music
• Turning up the Mix control for more flanging during one note in the solo
• Increasing the Autopanner rate on the Mono Delay for dramatic effect
• Controlling one Wedge with another
To record Wedge Parameter changes into a sequencer:
¿ Connect the Wedge MIDI [OUT] to the sequencer’s MIDI In, and the Wedge
MIDI [IN] to the sequencer’s MIDI Out.
¡ Select a sequencer track and record-enable it.
¬ Press Record on the sequencer and move the sliders.
About System Exclusive vs. Controller Messages
Sysex (short for System Exclusive) messages are different from Continuous
Controller messages in several ways. To decide which method of control is best for
your application, consider the following:
Exclusive control: Sysex messages from the Wedge may only be read by the
Wedge, and generated by the Wedge (or by special computer software that knows
its Sysex "language"). If a Wedge Sysex message is received by any other device in a
MIDI system (except for another Wedge), it will be ignored. Controller commands,
on the other hand, are universal to all devices may be set to control several different
devices at the same time (as long as they're reading the same MIDI channel). Sysex
commands do not have a channel, so (for example) if you had two Wedges, any
Sysex commands sent to both will be processed by both, even if they're set to
different MIDI channels.
Display: Most MIDI sequencers can display Controller settings with standard
faders on screen; Sysex messages usually must be edited in a data format.
Complexity: Anything you can do to a program on the top panel controls may be
done via Sysex if desired. With MIDI controllers, only two parameters of a program
may be manipulated, and they're pre-selected for each Configuration.
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