Doepfer

--- In Doepfer_a100@yahoogroups.com, "Pierre Zeeman" <pierrezee@h...> 
wrote:
> Hi Ingo
> 
> >my favorite application for the a133 is waveform-conversion
> >of vco's and lfo's. the a133 is the ticket, no matter if you
> >need it to alter audio or cv voltages.
> 
> Wow so much praise for a little module I must confess to having 
ignored thus 
> far.  Hmmm, if I understand you correctly you are actually using 
the a133 to 
> change the shape of an audio waveform - would you be able to do 
> rectification style effects then?
> 
> Also, does anybody use their a100 polyphonically?  Presumably you 
have a 
> have a MIDI-CV controller that can take each note in a chord and 
send it out 
> of a different CV socket, each of which would have to be hardwired 
to an 
> oscillator.  And the same for gate signals.  Is this correct?
> 
> thanks
> 
> Pierre


hello pierre,

1. rectification of a waveform is possible with an
a110 and an a133, but that depends on the waveforms used.
when the signal is negative, the cv has to be negative too
to get a positive wave at the output. that can be very
complicated when you use different waves for signal input
and cv input. from my experience rectification works better
with an a172 max/min and an a175 inverter.

2. sometimes i play polyphonic sounds on the a100 and
i recommend the mcv24 interface for that. it has very cool
polyphonic modes which make it a snap to set up a
four-voice patch for instance. you should download the
mcv24 user manual for reference, everything is explained
in there.

best wishes

ingo