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39.
To repeat this with VCF 2, move the [balance]-knob (41) fully clockwise.
10.6.7 The audio trigger
We now will have a closer look at the powerful capabilities of the audio trigger. We need a polyphonic
sawtooth sound for this exercise. Recall the basic setting ([bypass] to "ON"), both [frequency]-knobs (7)
and (28) to 12 o'clock both [resonance]-knobs (8) and (37) to 12 o'clock, [modulation]-knobs (10) and
(31) to 3 o'clock, [release]-knobs (19) and (27) to 12 o'clock, [env-mod1]-switches (11) and (32) in posi-
tion "AMT 1/2" and both [depth]-knobs (10) and (31) to 3 o'clock.
40.
The [slow/fast]-switch (4) has to be in position "fast". Play the low C1 (65 Hz): a trigger appears
and VCF 1 is closed one time, moved from high to low by envelope generator 1. Keep the key
pressed and play a second note at the same time (e.g. C2 and G2). Another trigger is generated,
because the dynamic audio trigger is independent from a threshold. Now play chords (e.g. C2,
Dis2, G2, C3): only o n e trigger is generated. Play C1 and D1 (or Dis1) at one time. The audio
trigger toggels, since it cannot destinct between new events or unstable level because of phase
cancellation effects.
41.
Leave both keys pressed and switch the [slow/fast]-switch (4) to "slow". The 'toggling' stops. The
audio trigger has become less sensitive and will not work as fast in this setting. Experiment
further on according to step 39.
42.
Generate frequently triggers by playing on the keyboard and change the setting of the [level]-
knob in both directions. The trigger will be generated very reliable over a wide range. The set-
ting of the [compression]-knob (3) does not matter.
10.7 The compressor
You have become familiar with the compressor working as a limiter. To explore its full capabilities, you
should use a simple snaredrum sound. Recall the basic setting ([bypass] to "ON") and move the [com-
pression]-knob (3) fully counter clockwise.
43.
Play the snaredrum frequently and move the [compression]-knob (3) slowly clockwise. From
9 o'clock position on, an audible effect should appear. At 12 o'clock, heavy compression should
become audible. Change the [slow/fast]-switch (4) position between "slow" and "fast".
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