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System a - 100, A-192, User examples – Doepfer A-192 CV to MIDI Interface User Manual

Page 7: Doepfer

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doepfer

System A - 100

CVM 16

A-192

7

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MIDI Out

This is the MIDI Out socket. It is connected to the
MIDI input of the device controlled by the MIDI data of
the A-192 (e.g. computer sequencer, expander, key-
board, MIDI-toCV converter and so on).

6. User Examples

Module A-192 can be used to convert any control
voltage in the A-100 into MIDI controllers. Especially
those applications normally not available in the world
of MIDI are the most interesting ones. Of course one
may convert a (slowly oscillating) LFO or ADSR into
MIDI. But more interesting are e.g. those applications:

Theremin-to-MIDI (A-178

A-192)

Light-to-MIDI (A-179

A-192)

Envelope-to-MIDI (A-119 Envelope

A-192)

Sequencer-to-MIDI (A-155

A-192)

Footcontroller-to-MIDI (A-177

A-192)

Vocoder MIDI interface

Another very important application of the A-192 is the
“MIDI-fication” of the vocoder modules A-129/x. For
this the outputs of the vocoder analysis module A-

129/1 is connected to the A-192 inputs. The A-192
converts the 15 analysis voltages into 15 MIDI control-
lers. The 16th input may be used for voiced/unvoiced
control or as control voltage for the slew limiter.
The MIDI data generated by the A-192 may be recor-
ded and stored with a computer sequencer. Depen-
dent on the power of the sequencer different possibili-
ties are coming up:

• Recording and playing back the recorded “vocoder

sequence” (MIDI controllers) at different at speeds

• “Freezing” at a certain position (e.g. a vowel like “a”)

• Storing certain vowels or filter settings

• Realtime display of the controllers like a spectrum

analyser

The conversion of the recorded MIDI controllers back
into control voltages may be performed with a special
version of the MIDI-to-CV converter A-191. A modified
version that responds to 16 MIDI controllers is required
(i.e. without LFO, after touch and pitch bend). The first
15 CV outputs are connected to the CV inputs of the
vocoder synthesis section A-129/2. The 16th CV out-
put may be used for voiced/invoiced control (i.e. con-
trolling a VC switch) or as control voltage for the slew
limiter controller A-129/4.