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NR as Rnd Sequencer, very High CVs
MUFF WIGGLER Forum Index -> Eurorack Modules  
Author NR as Rnd Sequencer, very High CVs
pbanken
Hi there!

This forum has been really helpful for discovering sweet tricks and hints concerning the NR, but one thing is getting heavily on my nerves:

With practically every use of my NR as a sort of rnd sequencer (running output 1 or 2 into an OSC), I get a couple of nice harmonic CV signals, which could be used as a little riff, but then a large numbers of unchanging, extremly high CV pitches rattle my ears and my OCS ...

Is there any way of this rattling, high pitches Dolphin talk?!?

Boom Baam bububum MEEEEEEP MEEEEEEP MEEEEEEEP MEEEEEEP

That's what it sounds like to my ears ....

All the best,

pbanken
Scaff
My NR is acting like you mentioned and will be on the market soon. I would like to love it ................
slow_riot
NR is completely controllable.

If the range is not useable for a particular function (e.g. pitch), attenuate.
selfoscillate
it can all be done with some patching.

simple attenuation shoud work most of the time,
but if it doesn't, there are other ways.

for example, you can use an inverter and a vca.
feed the normal nr output into the signal input of the vca
and an inverted nr output to the cv input of the vca.
now dial in some initial gain on the vca and attenuate the
inverted nr output to taste. this way the higher notes get
more attenuation than the lower notes.

or you can feed the nr output to a max/min module,
together with a fixed voltage which determines the
highest allowed pitch. then use the min output.
the higher notes will not exceed the fixed voltage,
while the lower notes get through unchanged.
CursedFrogurt
selfoscillate wrote:
it can all be done with some patching.

simple attenuation shoud work most of the time,
but if it doesn't, there are other ways.

for example, you can use an inverter and a vca.
feed the normal nr output into the signal input of the vca
and an inverted nr output to the cv input of the vca.
now dial in some initial gain on the vca and attenuate the
inverted nr output to taste. this way the higher notes get
more attenuation than the lower notes.

or you can feed the nr output to a max/min module,
together with a fixed voltage which determines the
highest allowed pitch. then use the min output.
the higher notes will not exceed the fixed voltage,
while the lower notes get through unchanged.


Oh neat, that's some cool patch programming ideas. I don't have a NR but I'll certainly put that in my brain for later use; it's techniques like those that make me enjoy modularity. Bring on the math.
Veqtor
Yes, but attenuation gets the steps into microsteps, what's sad is that bit1 is tuned to be a semitone, so if you attenuate the sequence you don't get these lovely sequences anymore.

Buchla solved this with the N-knob... I hope there will be an expander with an N-knob... Otherwise I'll sell mine too...

What the N-knob does is that it cuts out the higher bits, leaving simple, funky melodies in a limited range of notes (you can set it to 1,2,3,4 etc bits)
BugBrand
I quite recently got a Frac Noisering and haven't completely gelled with it yet - think I've come across somewhat similar on the outputs. I put on a data-invert switch which may help things? I can't now remember which way is 'normal' for the switch and may actually change it over to a SPDT C/O type to see if that helps.

This is a good Wiard info thread: http://muffwiggler.com/forum/viewtopic.php?t=5306
BugBrand
I changed the invert switch over to SPDT C/O now and have been using an oscilloscope to view the two outputs -- very interesting. Using an o'scope is actually very good to figure a bit what is going on - I have found the controls to be very sensitive - just a turn and you get out of very nice fluctuations and into something that bangs too often into the top (+10v) or bottom (gnd).

But, yes, both outputs are fluctuating over a full 10v range -- if you're using that to FM a VCO then that'd give 10 octaves!
Mans
With chance to full CCW and change to full CW there are far more 'zeros' entering the register than 'ones' which leads to lower voltages at the outputs.

But yes a cut off point would be a very nice thing to have.
selfoscillate
Veqtor wrote:
Yes, but attenuation gets the steps into microsteps, what's sad is that bit1 is tuned to be a semitone, so if you attenuate the sequence you don't get these lovely sequences anymore.


you can use a quantizer after the attenuator to bring it
back to semitones. i know it will not be the same output,
but it should work at least for a couple of settings.

but i fully agree that buchla's approach is great and well-thought.
suboptimal
Attenuate and offset. I never use the NR as a "sequencer" without running it through my A-138-2.
jenamu6
I use MATHS for that
Veqtor
Hmm, I just realized something, I could use the A-189-1 in AND mode to limit the outgoing intervals, will try and post results!
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