Doepfer

> i have to say the most note-worthy dicovery i've made recently is 
> using the a113 as a clock divider.  this is very cool for dividing a 
> clock pulse by odd factors of 3, 5, 6, 7, etc...even better when 

A simple mod to the A-163 allows it to do this too (as hinted at on page 4 of the 163 manual entry). I have soldered a couple of wires from the pins of C7 (marked 'C7 2u2' between the big 'PIC' chip and the front plate) to a simple on-off toggle switch mounted on the front panel. When the switch is open, the module performs as normal (dividing audio signals etc.), but when closed it bypasses C7, allowing 0-5V pulses from the divided input to be output unadulterated (which are fine for feeding into A-160 etc.).

Tim

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The A115 patched through an A162 also works as a simple clock 
divider. Of course, I was only doing that before I got an A160 :-)

Joe

--- In Doepfer_a100@y..., Stinchcombe Timothy <tstinchcombe@q...> 
wrote:
> 
> > i have to say the most note-worthy dicovery i've made recently is 
> > using the a113 as a clock divider.  this is very cool for dividing 
a 
> > clock pulse by odd factors of 3, 5, 6, 7, etc...even better when 
> 
> A simple mod to the A-163 allows it to do this too (as hinted at on 
page 4 of the 163 manual entry). I have soldered a couple of wires 
from the pins of C7 (marked 'C7 2u2' between the big 'PIC' chip and 
the front plate) to a simple on-off toggle switch mounted on the front 
panel. When the switch is open, the module performs as normal 
(dividing audio signals etc.), but when closed it bypasses C7, 
allowing 0-5V pulses from the divided input to be output unadulterated 
(which are fine for feeding into A-160 etc.).
> 
> Tim
> 
> [The views expressed above are entirely those of the writer and do 
not represent the views, policy or understanding of any other person 
or official body. Personal email. This email is personal. It is not 
authorised or sent on behalf of the sender's employer. This email is 
the personal responsibility of the sender.]
> 
> 
> The Information contained in this E-Mail and any subsequent 
correspondence
> is private and is intended solely for the intended recipient(s).
> For those other than the recipient any disclosure, copying, 
distribution,
> or any action taken or omitted to be taken in reliance on such 
information
> is prohibited and may be unlawful.

Well, believe it or not, you can get some interesting 
pseudo-random 1 to 2 divisions from runing a square wave into 
a 165 trigger modifier.

Try this at home:  

Run a sub-audio square wave into a 165 and use the +/- out to 
fire an envelope that's gating a sound.  notice that sometimes it 
will fire a pulse on both the rising and falling edge of the square, 
(like the owner's manual says it should), but sometimes it won't.  

What this gives you is random half steps in an otherwise metric 
(boring) pattern.

-Peter



--- In Doepfer_a100@y..., Stinchcombe Timothy 
<tstinchcombe@q...> wrote:
> 
> > i have to say the most note-worthy dicovery i've made recently 
is 
> > using the a113 as a clock divider.  this is very cool for dividing 
a 
> > clock pulse by odd factors of 3, 5, 6, 7, etc...even better when 
> 
> A simple mod to the A-163 allows it to do this too (as hinted at 
on page 4 of the 163 manual entry). I have soldered a couple of 
wires from the pins of C7 (marked 'C7 2u2' between the big 'PIC' 
chip and the front plate) to a simple on-off toggle switch mounted 
on the front panel. When the switch is open, the module 
performs as normal (dividing audio signals etc.), but when 
closed it bypasses C7, allowing 0-5V pulses from the divided 
input to be output unadulterated (which are fine for feeding into 
A-160 etc.).
> 
> Tim
> 
> [The views expressed above are entirely those of the writer and 
do not represent the views, policy or understanding of any other 
person or official body. Personal email. This email is personal. It 
is not authorised or sent on behalf of the sender's employer. 
This email is the personal responsibility of the sender.]
> 
> 
> The Information contained in this E-Mail and any subsequent 
correspondence
> is private and is intended solely for the intended recipient(s).
> For those other than the recipient any disclosure, copying, 
distribution,
> or any action taken or omitted to be taken in reliance on such 
information
> is prohibited and may be unlawful.

--- In Doepfer_a100@y..., "petergrenader" <petergrenader@h...> wrote:
> Run a sub-audio square wave into a 165 and use the +/- out to 
> fire an envelope that's gating a sound.  notice that sometimes it 
> will fire a pulse on both the rising and falling edge of the square, 
> (like the owner's manual says it should), but sometimes it won't.  
> 
> What this gives you is random half steps in an otherwise metric 
> (boring) pattern.
> 
> -Peter

I love this sort of thing! I've read some stuff recently about how in 
the '70s Suzanne Ciani would run her Buchla system for days at a time, 
programming it to compose and play endless compositions.

I just finished a "random sequencer" patch that uses the knobs on the 
A155's bottom row, instead of the toggle switches. Instead of 
switching a step on/off, you adjust the knobs to set the *probability* 
that the step will produce a trigger.

I've been using this in conjunction with random LFO's patched to the 
A156 for pitch CV. I've gotten some interesting A100-generated 
compositions so far, but I'd like to explore more sophisticated 
machine-generated music techniques that can be realized on the A100.

If anyone has any more suggestions, I'd love to hear them. If I 
discover anything more about this that's interesting, I'll post about 
it here.

Joe