52
PRESET PROGRAMMING
Classic Keys has an extensive modulation
architecture using two multi-wave LFO’s
(Low Frequency Oscillators), two
envelope generators and the ability to
respond to multiple MIDI controllers. You
may simultaneously route any combina-
tion of these control sources to multiple
destinations.
Turning the volume control back and forth on your home stereo is an example of amplitude modulation.
MODULATION
Modulation means to dynamically
change a parameter, whether it be the
volume (amplitude modulation), the
pitch (frequency modulation), or what-
ever. Turning the volume control on your
home stereo rapidly back and forth would
be an example of amplitude modulation.
To modulate something we need a modu-
lation source and a modulation destina-
tion. The source is your hand turning the
knob, and the destination is the volume
control. If we had a device that would
automatically turn the volume control,
we would also call that device a modula-
tion source. Classic Keys (and most
synthesizers for that matter) are designed
so that for each of the variable param-
eters, such as the volume, there is an
initial setting which can be changed by a
modulation source. Therefore in the case
of volume, we have an initial volume and
we can change or modulate that volume
with a modulation source. This can be
thought of as a type of remote control in
which one device automatically controls
another in a precise way.
Two main types of modulation sources on
Classic Keys are Envelope Generators and
Low Frequency Oscillators. In the ex-
ample above, an envelope generator could
be routed to automatically turn the
volume control as programmed by the
envelope. Or, a low frequency oscillator
could be routed to automatically turn the
volume control up and down in a repeat-
ing fashion.
Содержание Classic keys
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