The LFO Pages
52
BOTH :
This mode combines the action of DADR and FREE. If
BOTH is selected, a DADR mode will complete its cycle (DADR is
Gated) even
if
the keys are released before the D ECAY stage is
finished.
59, 69
&
79
LFO 1 TRIGGER
The Envelopes can also be triggered by a third source: LF01 . This
parameter is available separately because
n
can be used at the same
time with Keyboard or External Triggering. This parameter allows you
to use LF01 as a trigger source in order to synchronize the
Envelopes' cycles with LF01 's cycle.
NORMAL
:
When this option is selected, the Envelopes operate
with no LFO triggering. This is actually the switching LF01 TRIGGER
off.
LF01
:
When this is selected, the Envelope will now be triggered by
LF01 . This is actually switching LF01 TRIGGER on. Since most of
the LFO's waveforms are periodic (continuous and cyclical), exactly
what point on the LFO's wave that does the triggering must be
determined. This is accomplished the LF01 Sub-Page "83
\
R ETRIGGER POINT".
G-LF0 1
"Gated LFO 1 Trig ger":
When this is selected, LF01
will trigger the Envelope only when a key or keys are played (the
Envelope is Gated). If this is not selected, the Envelope will be
continually triggered because the LFO is always running.
LF01 and LF02
The abbreviation "LFO" stands for "Low Frequency Oscillator". An LFO is,
in most respects, similar to a regular oscillator except that its pitch
(frequency) range is below the threshold of normal human hearing. Thus, its
primary application is being used as a modulation source.
The two LFOs in the MATRIX-GR each contain seven types of waveforms to
be used for modulation. The first four are called "periodic" (TRI, UPSAW,
DNSAW & SQ UAR) because they repeat in even patterns or cycles. The
next two are called "aperiodic" (RANDM & NOISE) because are basically
disorderly patterns that do not repeat with any regularny. The seventh
choice "SAM PL" is used to sample any one of the other modulation
sources and uses the result of this sampling as its waveform.
The MATRIX-GR contains two independent LFOs labeled LF01 and LF02.
Since they are almost identical, we'll cover their parameters together.
M atrix-GR Owner's Manual
