DOEPFER A-178 매뉴얼 - 페이지 5
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6. User examples
Theremin module A-178 provides a further source of
control for real-time sound manipulation and creation
(so see also the suggestions in the manual for the
Foot Controller, module A-177).
The change in voltage produced by your hand getting
closer to the antenna can be used for all sorts of
control or modulation:
• VCO pitch control
• VCA gain
• VCF cut-off frequency
• VCF resonance (with the A-121, 122 or 123)
• VC-LFO frequency
• LFO modulation depth
Standard Theremin
Fig. 1 shows how to use two A-178 modules to create
a standard theremin. One hand controls the pitch of
the VCO, and one controls the gain of the VCA.
System A - 100
fig. 1: A standard theremin, using two A-178 modules
If you want to use two or more theremin modules, you
need to think carefully about the best positioning for
them in the rack relative to each other, so that each
can be controlled by hand movements without affec-
ting the other/s.
It's useful, with one or more theremin module, to place
them high in your rack, so that there's less chance of
patch cables hanging down and affecting performance
(see fig. 2).
Theremin
cv
cv
A-178
A-178
VCO
VCA
A-178
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