About Mod Sources And Targets - Alesis GT Reference Manual

new to MIDI, it may take you some time to figure out how to work
modulation into your sound. The good news is that MIDI control can
add a tremendous amount of control to your setup (both live and in the
studio), so once you learn to use MIDI modulation, youÕll be able to
produce some absolutely mind-boggling effects.
WeÕve already mentioned using a continuous controller footpedal to
vary parameters in real time with a pedal (section 1.8). Another
application is to use a MIDI sequencer to change parameters (and
programs, if desired) in real time as you play. If youÕd just like to play
instead of hit footswitches and move pedals, this is the answer. While it
may not always be feasible to use a sequencer live, this technique can
always work in the studio.
It is possible to control up to eight parameters simultaneously from one
to eight MIDI controllers. All mod assignments are stored with their
programs, so a pedal could vary delay feedback in one program,
equalization in another program, etc.

7.1 ABOUT MOD SOURCES AND TARGETS

A mod source controls a particular QuadraVerb GT parameter. The
QuadraVerb GT can respond to any of the following sources of data:
¥ Continuous controllers This is the type of data produced by MIDI
Continuous Controller footpedals. Several companies offer such
pedals, which can usually be set to generate data over any particular
controller number. Some products are available with multiple pedals,
thus letting you control more than one parameter at a time.
¥ Pitch bend This data is produced by the pitch bend wheel on a
synthesizer.
¥ Aftertouch This is another keyboard feature; pressing down on the
keys after theyÕre down produces data that corresponds to the amount
of pressure. Not all keyboards offer this feature.
¥ Note number This can be any MIDI note, as generated by a keyboard,
drum machine, sequencer, etc.
¥ Note velocity The MIDI note will include velocity data that
corresponds to the dynamics of your playing.
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