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Low-frequency Oscillators (LFOs)
In addition to the main oscillators, the MicroWave II/XT/XTk is equipped with two low-
frequency oscillators which can be used for modulation purposes. Each LFO generates a
periodic waveform with adjustable frequency and shape.
LFO 1
LFO 1 / 1
LFO 1 / 2
Rate
Determines the frequency of the generated signal. If Sync is set to Clock , the value is
shown in musical notation. The basis is a 4/4 beat. Triplets (e.g. 1/8T ) and dotted notes (e.g.
1/16. ) are available for some values.
Shape
Determines the type of waveshape to be generated. Sample & Hold samples a random
value and holds it until the next LFO cycle begins. If Rate has a value of 0 , then a random
value is generated for each new incoming MIDI note. More variations can be achieved by
means of the Symmetry parameter. Please read the corresponding paragraph later on in
this chapter.
Delay
Determines the start of the LFO cycle after an incoming MIDI note.
• If off is selected, the LFO runs completely free, which means its cycle is not
synchronised to the note start. Use this setting e.g. when modulating the filter
cutoff of a sound that should be different each time you play it.
• If retrigger is selected, the LFO starts its cycle after receiving a note. This is also
known as "key sync" feature. This setting is useful when the LFO must always start
at a fixed value, e.g. when creating an alert sound.
• If 1...126 is selected, the LFO is works like in retrigger mode, but is delayed with
the specified amount. This setting is useful e.g. for solo sounds with a vibrato or
tremolo that is only applied on long notes.
Sync
Selects if the LFO is synchronised. If off is selected, the LFO runs completely independent.
If on is selected, all LFOs of the MicroWave's voices used by the sound program behave as
one. If Clock is selected, the LFO is synchronised to an incoming MIDI Clock signal.
78
Rate
|
Shape
028
|triangle |
Symmetry |Humanize
+27
|
003
0...127 (128 Bars...1/64)
sine / triangle / square / sawtooth / random / S & H
off / retrigger / 1...126
off / on / Clock
|
Delay
005
User's Manual MicroWave II • MicroWave XT • XTk
|
Sync
|
off
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