Doepfer A-129-3/4 Vocoder Slew-Limiter/Attenuator/Offset and Controller - Manual (Page 7)

doepfer System A - 100 Modular Vocoder A-129 /3/4
7
% Slew CV
Input % is where the CV should be patched in to
control the slew rate. The amplitude of the CV can be
set with the attenuator 5 if required.
& Slew Control Outputs
Sockets & are the slew limiter controller’s outputs.
They’re internally connected (a sort of mini-multiple),
and are designed to provide the control voltage to the
A-129 /3.
Connect one of the outputs to an A-129 /3 control
input.
5. User examples
Basic layout
Fig. 4 shows the standard layout for using the
A-129 /3 and A-129 /4. The A-129 /3 is inserted into
the control voltage chain, sandwiched between the
analysis and synthesis sections.
For total control of a 15-band vocoder, you need three
A-129 /3 modules. It’s quite possible to control the
slew limiter function of these three with one Slew
Limiter Controller A-129 /4. There’s also the option,
though, of using up to three, to treat different bands of
the vocoder in different ways.
The standard layout in Fig. 4 provides the following
control functions:
• CV to control the level of one or more vocoder
channels or bands (using the attenuator),
• Smoothing the transition between vowels (slew li-
miter function),
• Vowel hold (freeze),
• Transposing vocoder channels (offset).