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 Forum index » Clavia Nord Modular » Nord Modular G2 Discussion
control range problem
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Calude Voiot



Joined: Jul 05, 2005
Posts: 23
Location: Nyon Switzerland
G2 patch files: 5

PostPosted: Sat Aug 13, 2005 2:25 pm    Post subject: control range problem Reply with quote  Mark this post and the followings unread

In the attached patch we have a random gen that I want to limit the range from 84 to 99 (incl) >16 steps.
with the note quantizer when you set +- 8 you never get the exact range because you cannot give the right offset to this range. [84-100 or 83-99]
can you help me with a work around ??

thanks a lot

Claude


rand range.pch2
 Description:
how to limit a range exactly ??

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 Filename:  rand range.pch2
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Blue Hell
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Joined: Apr 03, 2004
Posts: 20615
Location: The Netherlands, Enschede
Audio files: 148
G2 patch files: 318

PostPosted: Sat Aug 13, 2005 4:07 pm    Post subject: Reply with quote  Mark this post and the followings unread

Without looking at your patch, as I need the synths to run for some other purpose right now, but anyway.

After the note quantizer you can add an offset with the Level/LevAd module.

And when you do not need the quantization : use two constanst that output to a cross fader set into linear mode, the min max settings are very intuitive then.

Of course you could add a quantizer after the crossfade (set to full range). But things get a bit tricky then due to the rounding done by the quantizer and the crossfader being a bit off (well it seems to be so as I'm having a bit trouble to generate linearly distributed random that way, I'm not sure yet about that).

Jan.
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Calude Voiot



Joined: Jul 05, 2005
Posts: 23
Location: Nyon Switzerland
G2 patch files: 5

PostPosted: Sun Aug 14, 2005 6:37 am    Post subject: Reply with quote  Mark this post and the followings unread

Jan
I tried your solution and the 2 constant + the Xfader worked; but as a brikwall limiter; not what I wanted (although the question was formulated wrong....)
What I wanted was to distribute the whole range of the rand. gen to my reduced range of 16 steps (84 to 99)

as you can see in the attached patch I found the solution by clipping (assim clip mod.) the total range just enough so that the reduced sup. val of 100 went down to 99

with two inverters we can also clip the bottom of the range wich for my application will be more musical.

what application may you ask :=)

one of the main reason I got myself a G2 (eng) (had a NMrack) is to create midi automations to pilot my Echoplex loopers (198 sec of total memory) here midi notes 84-99 are the triggs to my 16 loops I setup.
Record 16 consecutive snipets of music played by my guitar (or else), then retrigg/shuffle the order, pitch (norm-8va down), direction (Fw-reverse) of the snipets by random; lfo's; sequences etc... all that while continuously overdubing, replacing music in the snipets.... well difficult to explain with words... Wink

more on the EDP
http://www.loopersdelight.com/tools/echoplex/echoplex.html

thanks Jan

Claude


rand range_cv.pch2
 Description:
reduce (distribute) a 1 to 128 range to 1-16

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 Filename:  rand range_cv.pch2
 Filesize:  1.9 KB
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3phase



Joined: Jul 27, 2004
Posts: 1152
Location: Berlin
Audio files: 13
G2 patch files: 138

PostPosted: Sun Aug 14, 2005 8:11 am    Post subject: Reply with quote  Mark this post and the followings unread

i would say you should scale the output of the random generator with an amplefier or 1ch mixer module down to a range where you just have a 16 step window... you can have a note quantizer afterwards set to 1..
and an offset module to bring the 16 steps in the desired range...

an ampmodule set to 0.125 should do the job...
if not set it to 0.14 and scale a bit more with an 1 ch mixer afterwards..

And set the random out to unipolar of cause
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mosc
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Joined: Jan 31, 2003
Posts: 17618
Location: Allentown, PA
Audio files: 125
G2 patch files: 60

PostPosted: Sun Aug 14, 2005 9:29 am    Post subject: Reply with quote  Mark this post and the followings unread

So, there are several modules that can scale a signal (mixer, note quantizer, multiplier, etc) and you can shift the signal with the level add module pretty easilly.

But how do you see what you are getting? We have talked on the Wish List that there is a need for some kind of "meter" module to let one see what the instantaneous value of a CV is. What is a good work around for this?

One trick I've used is to use the MIDI Control Send module to some CC in the same slot and then attach a constant module to that MIDI CC. Then the knob on the constant moves at the input to the Control Send changes. But that is a bit painful because of several warts. It doesn't seem to accurate and the constant only goes from 0-64 or -64 - 64. Sometimes you want to see 0 - 127.


CVMeter.jpg
 Description:
CV Meter
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CVMeter.jpg



CV Meter.pch2
 Description:
CV Meter using MIDI CC Send module and Constant.

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 Filename:  CV Meter.pch2
 Filesize:  1004 Bytes
 Downloaded:  1138 Time(s)


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Calude Voiot



Joined: Jul 05, 2005
Posts: 23
Location: Nyon Switzerland
G2 patch files: 5

PostPosted: Sun Aug 14, 2005 10:23 am    Post subject: Reply with quote  Mark this post and the followings unread

maybe the pseudoscope can help Idea Wink

Claude


PS: 3phase your idea was the easyest thanks !!!


pseudoscope.jpg
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pseudoscope.jpg



pseudoscope_cv.pch2
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 Filename:  pseudoscope_cv.pch2
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mosc
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Joined: Jan 31, 2003
Posts: 17618
Location: Allentown, PA
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PostPosted: Sun Aug 14, 2005 11:12 am    Post subject: Reply with quote  Mark this post and the followings unread

Yes, the pseudoscope is very cool, but you can't read the numbers. Cool
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Blue Hell
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Joined: Apr 03, 2004
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Location: The Netherlands, Enschede
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PostPosted: Sun Aug 14, 2005 11:22 am    Post subject: Reply with quote  Mark this post and the followings unread

mosc wrote:
Sometimes you want to see 0 - 127.


Set constant1 to unipolar ?

Jan.
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mosc
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Joined: Jan 31, 2003
Posts: 17618
Location: Allentown, PA
Audio files: 125
G2 patch files: 60

PostPosted: Sun Aug 14, 2005 12:12 pm    Post subject: Reply with quote  Mark this post and the followings unread

Blue Hell wrote:
mosc wrote:
Sometimes you want to see 0 - 127.


Set constant1 to unipolar ?.


In unipolar it goes from 0 to 64 in 0.5 increments. Crying or Very sad

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Blue Hell
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Joined: Apr 03, 2004
Posts: 20615
Location: The Netherlands, Enschede
Audio files: 148
G2 patch files: 318

PostPosted: Sun Aug 14, 2005 12:17 pm    Post subject: Reply with quote  Mark this post and the followings unread

Yeah you're right ... I forgot ... we need a proper value display thingie damnit !

Jan.
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3phase



Joined: Jul 27, 2004
Posts: 1152
Location: Berlin
Audio files: 13
G2 patch files: 138

PostPosted: Sun Aug 14, 2005 3:48 pm    Post subject: Reply with quote  Mark this post and the followings unread

Blue Hell wrote:
Yeah you're right ... I forgot ... we need a proper value display thingie damnit !

Jan.


we a slotchannel option for the midimodules... this one works in slot A..


Meter A.pch2
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 Filename:  Meter A.pch2
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