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3. Use the first value dial to change the cutoff frequency of the filter. Play some notes
to hear the effect. Reduce the value to get a darker sound. Also change the
resonance setting. The sound gets a narrow character the more you turn up the
control. Rise the setting to its maximum value. You will notice that an additional
tone is generated. This is the self oscillation of the filter!
4. After playing around a little, turn the cutoff down to 70 and the resonance to 20 .
This should give you a good starting point for the next step.
5. Turn the Page Dial
shows:
6. Press a note on your keyboard and hold it down for a few seconds. You may
notice, that the sound starts very bright but then gets darker more and more. This is
the effect of the Filter Envelope that modulates the cutoff frequency. The
modulation depth is controlled here by the Cutoff Env. Amount parameter.
7. Turn its setting down to 0 and look what happens: The sound starts in its dark state
and no cutoff change can be heard.
8. Now set the value to a negative value, e.g. -10 and press any note again. The
sound then starts much darker than before and gets a little more brilliant after a
while (you may raise the cutoff setting to get better results).
9. After playing around recall the original sound to get prepared for the next step.
The heart of the MicroWave II/XT/XTk are its wavetables. They build the sound source from
which everything derives. In this step we are going to change the sound program's
wavetable.
1. First, call the first parameter page for Wave 1. To do so, press the first parameter
select key
like this:
2. Change the wavetable via the third value dial and play some notes. You may notice
that the sound changes dramatically when moving from one wavetable to the next.
Try to check out the following wavetables: 014 Clipper, 021 Robotic,
028 FmntVocal, 054 Wavetrip2 and 060 Xmas Bell .
3. After checking out the different wavetables, set the parameter back to the original
wavetable 036 PulSync 1 .
The next feature we want to explore is the ring modulation. It is useful to add non-
harmonic components to the sound that gives it a metallic character.
1. Use the page dial to select the Mixer page. The display now shows:
18
Cutoff
|Resonance|
092
|
000
clockwise to select the next parameter page. The display
Cutoff Env. Amount|Env.Velocity Amount
+29
, then use the Page Dial
Startwave|
Phase
60
|
free
Wave 1 |
Wave 2 | Ringmod | Noise
127
|
000
Type
|Keytrack
| 24dB LP |
+050%
|
+00
to select the page. The display must look
| Wavetable
| 036 PulSync 1
|
127
|
000
User's Manual MicroWave II • MicroWave XT • XTk
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