genesys ensemble/genesys grand ensemble
Page 88
Whenever you move one of the sliders on the front panel or
press one of the pedals while recording, a particular type of
CONTROL CHANGE EVENT is inserted into that tracks event list.
These various control events are not given names in the event
list but simply referred to by numbers. Most of these numbers
are standardized on all MIDI keyboards. You can find a list of the
CONTROL CHANGE NUMBERS which the Genesys Ensemble uses
in the MIDI IMPLEMENTATION CHART at the back of this manual.
In the above example, the highlighted event indicates that the volume
level slider was moved. This slider movement occurred on the 168th
pulse or Beat #4 of Bar #10. We know that it was the volume slider
because the CONTROL CHANGE NUMBER for a volume level event
is 7. With a controller event, (when the STATUS line shows CNTR.
as above), the value of 1V is always the CONTROL CHANGE NUMBER.
If this number was 10 instead of 7 then we would know, by referring
to the MIDI IMPLEMENTATION CHART, that this event represented
the movement of a PAN control instead of a VOLUME control. The
value of 2V is the actual level to which that control was set. So in the
above example, the volume was adjusted to a level of 85.
In this example we looked at a single volume level event. Usually,
however, when a control like a slider is moved, it generates a
continuous stream of individual events. Moving a slider from its
minimum position, (0), to its maximum position, (127) will generate
128 individual volume control events like the one we just studied.
PITCH BEND
The PITCH BEND event is easily recognized by its name in the
events STATUS line. Unlike the CONTROL CHANGE event, we
do not need to be concerned with the value of 1V when using
the pitch bend wheel for the Genesys Ensemble internal sounds.
The amount of pitch bend applied is indicated by the value of 2V.
When the Pitch Bend wheel is resting in its center position it is
said to be at value 64. No events are actually inserted into the
track however unless the wheel is moved to a different position.
As the wheel is raised, increasing the pitch of the sound, it gen-
erates a stream of PITCH BEND EVENTS with 2V values of 65
upwards. At its maximum position, the wheel sends a 2V value
of 127.
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