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System a - 100, A-119, User examples – Doepfer A-119 External Input/Envelope Follower User Manual

Page 5: Doepfer, Audio out • $ audio out, Env. out, Gate out, Manipulating external audio signals

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doepfer

System A - 100

Ext. Input / Envelope Follower

A-119

5

§

Audio Out • $ Audio Out

The external audio signal, amplified by an amount set
by the gain control, is available at audio output §
and/or $. These two sockets are simply linked as a
“mini-multiple”.

%

Env. Out

The envelope generated by the A-119 is available at
this output % (see Fig. 1c).

&

Gate Out

The gate signal generated by the A-119 is available at
this output (see Fig. 1d).

6. User examples

Manipulating external audio signals

The A-119 is what makes it possible for individual
parts of the A-100 to manipulate external signals. In
the patch in Fig. 2, an external audio signal is filtered
by a VCF, whose cut-off frequency is controlled by an
ADSR.

Fig. 2:

Filtering an external audio signal

VCF

VCA

ext.

Audio

Asym.
In

Over-
Load

Gate
Out

Threshold

Gain

A-119

Ext. In.

Symm . In

Envelope
Out

Audio
Out

ADSR