electro-music.com   Dedicated to experimental electro-acoustic
and electronic music
 
    Front Page  |  Articles  |  Radio
 |  Media  |  Forum  |  Wiki  |  Links  |  Store
Forum with support of Syndicator RSS
 FAQFAQ   CalendarCalendar   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   LinksLinks
 RegisterRegister   ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in  Chat RoomChat Room 
Live streaming at radio.electro-music.com

  host / artist show at your time
<on air> PHANToS LIVE improv
  PHANToS presents: Ghouls & Ghosts (various EM Halloween performances from previous years)
  PHANToS presents: The Monstrous Modulator (Modulator ESP's 2010/2011 halloween performances mix)
Please visit the chat
 Forum index » DIY Hardware and Software » Ken Stone designs - CGS
Modulo Magic!
Post new topic   Reply to topic Moderators: Scott Stites
Page 1 of 1 [16 Posts]
View unread posts
View new posts in the last week
Mark the topic unread :: View previous topic :: View next topic
Author Message
jnuaury



Joined: Feb 28, 2008
Posts: 162
Location: chicago
Audio files: 9

PostPosted: Sat May 17, 2008 2:46 pm    Post subject: Modulo Magic! Reply with quote  Mark this post and the followings unread

I've been interested in this module for awhile and can't find any sound samples or panel layouts etc.

I don't think I quite grasp the "8 stages" to the module.

I have however done some tests with the modulo object in max (%~) and it can surely generate some interesting waveforms.


Any comments on this peculiar module?


Picture 28.png
 Description:
sine modulo a fixed value
 Filesize:  7.04 KB
 Viewed:  142 Time(s)
This image has been reduced to fit the page. Click on it to enlarge.

Picture 28.png



Picture 29.png
 Description:
sine modulo a fixed value
 Filesize:  7.27 KB
 Viewed:  152 Time(s)
This image has been reduced to fit the page. Click on it to enlarge.

Picture 29.png



Picture 30.png
 Description:
saw modulo a fixed value
 Filesize:  6.57 KB
 Viewed:  149 Time(s)
This image has been reduced to fit the page. Click on it to enlarge.

Picture 30.png


Back to top
View user's profile Send private message AIM Address
otherunicorn



Joined: May 11, 2008
Posts: 136
Location: Australia

PostPosted: Sat May 17, 2008 4:22 pm    Post subject: Reply with quote  Mark this post and the followings unread

It looks like it is similar to what you've been playing with. The 8 stages means it can put up to 8 of those steps in a single slope. Your diagrams are only showing around 3 steps.
_________________
http://www.cgs.synth.net/
Back to top
View user's profile Send private message Visit poster's website
Ilanode



Joined: Sep 14, 2007
Posts: 80
Location: Berlin/FRG

PostPosted: Fri Sep 05, 2008 3:08 pm    Post subject: Reply with quote  Mark this post and the followings unread

Ha, just finished mine and love it! Don't know what it is doing nor why but it is way cool.

No, serious testing so far and I'm not even sure if I've done every thing correctly (how can I know with this little beast), but I'm having fun with it and that's what's all about.

Ken, thanks for making this available!
Back to top
View user's profile Send private message
jnuaury



Joined: Feb 28, 2008
Posts: 162
Location: chicago
Audio files: 9

PostPosted: Fri Sep 05, 2008 3:26 pm    Post subject: Reply with quote  Mark this post and the followings unread

http://bridechamber.com/bridechamber.com/C%20Modulo%20Magic.html

theres a primitive (as of now) link on the bridechamber page
it shows a panel layout and hopefully scott will upload sound samples eventually


i really want to build one because i love using modulo functions in different microcontroller and software implementations but lots of knobs (which is normally a good thing!) but the current synth im working on needs to be portable (i use public transit a lot)
Back to top
View user's profile Send private message AIM Address
zthee



Joined: Feb 20, 2008
Posts: 413
Location: Stockholm

PostPosted: Fri Sep 12, 2008 9:17 am    Post subject: Reply with quote  Mark this post and the followings unread

Is it possible to build a slim version of this?

I really want one - but I only have 9 holes to spare. Is it worth it? I mean, I'd have to skip out on the manual offset, the manual step initiation and all attenuators..

Will that just mess it up?

-Edit: Added a picture of the module..


Bild 1.png
 Description:
 Filesize:  22.87 KB
 Viewed:  6784 Time(s)

Bild 1.png


Back to top
View user's profile Send private message
ericcoleridge



Joined: Jan 16, 2007
Posts: 885
Location: NYC

PostPosted: Mon Sep 15, 2008 8:38 am    Post subject: Reply with quote  Mark this post and the followings unread

Can anyone help me understand this module in terms of possible applications and what one might expect to happen?

For instance, what if the "reference/ step initiation CV" was a equivalent of a semitone value (for a 1 volt per octave VCO)? Is this possible?, or does the Ref. CV have to be a whole number value?

Even so, with whole number voltage steps, this is still manipulating octaves. But how? You have a reference voltage, which can be hooked up to an 8 position switch, I understand; This provides a CV range?

and then there's the step size input (add or sub), this determines the cv jump?

and then there's the input cv...

I'm very confused.
Back to top
View user's profile Send private message
ericcoleridge



Joined: Jan 16, 2007
Posts: 885
Location: NYC

PostPosted: Mon Sep 15, 2008 1:34 pm    Post subject: Reply with quote  Mark this post and the followings unread

I think I've got now, after reading the circuit description closer:

The Reference CV is divided into 8 stages, and each of the 8 stages are compared with the input CV (plus offset) to trigger a switch. When each switch is opened, it sends the step size CV to a buffer that mixes it with the input CV. So, you get the Step Size CV(x number of stages) plus the input cv at the output each time the comparators fire.
Back to top
View user's profile Send private message
ericcoleridge



Joined: Jan 16, 2007
Posts: 885
Location: NYC

PostPosted: Tue Sep 16, 2008 10:29 am    Post subject: Reply with quote  Mark this post and the followings unread

OK-- so here's something-- would it, or could it be possible to have VC over"number of stages"? So, there would be a CV input instead of or in addition to the 8 position rotary switch?

Does anyone have an idea on how I might go about this? Seems like with some additional comparator section, that could send each stage to ground via a particular voltage level.

having voltage control over number of stages might be very useful.
Back to top
View user's profile Send private message
aerogramma



Joined: Feb 27, 2008
Posts: 150
Location: Roma, Italy - London, UK
Audio files: 13

PostPosted: Sun Oct 05, 2008 12:37 am    Post subject: Reply with quote  Mark this post and the followings unread

Ilanode wrote:
Ha, just finished mine and love it! Don't know what it is doing nor why but it is way cool.

No, serious testing so far and I'm not even sure if I've done every thing correctly (how can I know with this little beast), but I'm having fun with it and that's what's all about.

Ken, thanks for making this available!


Could you possibly upload some samples and pictures?

Wink

aero
Back to top
View user's profile Send private message Visit poster's website
neandrewthal



Joined: May 11, 2007
Posts: 672
Location: Canada

PostPosted: Mon Nov 17, 2008 1:43 pm    Post subject: Reply with quote  Mark this post and the followings unread

Just banged out an MOTM format layout for this, with a CV cluster tagging along at the bottom. The lines on the panel don't perfectly match the signal path, but I have a thing for symmetry Rolling Eyes


MODULO MAGIC CV CLUSTER.jpg
 Description:
 Filesize:  43.08 KB
 Viewed:  150 Time(s)
This image has been reduced to fit the page. Click on it to enlarge.

MODULO MAGIC CV CLUSTER.jpg



_________________
" I went through quite a few trannies til I found one I liked" - Wild Zebra
Back to top
View user's profile Send private message
Luka



Joined: Jun 29, 2007
Posts: 1002
Location: Melb.

PostPosted: Mon Dec 27, 2010 5:37 am    Post subject: Reply with quote  Mark this post and the followings unread

quick question

i only have 6 places on my rotary switch
if i had to leave off 2 steps would it be lower or higher? or should i just miss say 3 and 6. i guess im asking where are the sweet spots on this dial. im going to wire it up with 1 and 2 missing to begin with.

_________________
problemchild
melbourne australia
http://cycleofproblems.blogspot.com/
http://www.last.fm/user/prblmchild
Back to top
View user's profile Send private message
kkissinger



Joined: Mar 28, 2006
Posts: 1218
Location: Kansas City, Mo USA
Audio files: 29

PostPosted: Mon Dec 27, 2010 12:24 pm    Post subject: Reply with quote  Mark this post and the followings unread

Luka wrote:
quick question

i only have 6 places on my rotary switch
if i had to leave off 2 steps would it be lower or higher? or should i just miss say 3 and 6. i guess im asking where are the sweet spots on this dial. im going to wire it up with 1 and 2 missing to begin with.


If I had to choose, I'd leave off the higher and keep the lower.

I am currently redesigning my panel for Modulo Magic it will include the following controls and inputs:

Offset Init and Offset CV
Step Initiation and Step Initiation CV
Number of Steps switch
Input Signal Level
Step Size Init and CV (that is, the Step Size Add amount)

Signal and Aux Signal In
Offset CV In
Step Init CV In
Step Size CV In
Main Output

I am going to omit the toggle switches that Ken suggests and just have the init controls vary from negative to positive.

_________________
-- Kevin
http://kevinkissinger.com
Back to top
View user's profile Send private message Visit poster's website
Luka



Joined: Jun 29, 2007
Posts: 1002
Location: Melb.

PostPosted: Mon Dec 27, 2010 1:57 pm    Post subject: Reply with quote  Mark this post and the followings unread

Cheers

So you removing the mixer. Does it not provide some sort of useful functionality?

I thought the switches were there to help you 0 the offset & initiation
Is that not useful?

_________________
problemchild
melbourne australia
http://cycleofproblems.blogspot.com/
http://www.last.fm/user/prblmchild
Back to top
View user's profile Send private message
Luka



Joined: Jun 29, 2007
Posts: 1002
Location: Melb.

PostPosted: Mon Dec 27, 2010 11:29 pm    Post subject: Reply with quote  Mark this post and the followings unread

my module is outputting very large voltages
almost rail to rail
should this be so?

_________________
problemchild
melbourne australia
http://cycleofproblems.blogspot.com/
http://www.last.fm/user/prblmchild
Back to top
View user's profile Send private message
otherunicorn



Joined: May 11, 2008
Posts: 136
Location: Australia

PostPosted: Tue Dec 28, 2010 2:30 am    Post subject: Reply with quote  Mark this post and the followings unread

It won't do that if it is working properly. When working, it effectively REDUCES the output range.
_________________
http://www.cgs.synth.net/
Back to top
View user's profile Send private message Visit poster's website
Luka



Joined: Jun 29, 2007
Posts: 1002
Location: Melb.

PostPosted: Tue Dec 28, 2010 3:57 am    Post subject: Reply with quote  Mark this post and the followings unread

cool thanks ken
i guess i probably wired it up wrong

_________________
problemchild
melbourne australia
http://cycleofproblems.blogspot.com/
http://www.last.fm/user/prblmchild
Back to top
View user's profile Send private message
Display posts from previous:   
Post new topic   Reply to topic Moderators: Scott Stites
Page 1 of 1 [16 Posts]
View unread posts
View new posts in the last week
Mark the topic unread :: View previous topic :: View next topic
 Forum index » DIY Hardware and Software » Ken Stone designs - CGS
Jump to:  

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum
e-m mkii

Please support our site. If you click through and buy from
our affiliate partners, we earn a small commission.


Forum with support of Syndicator RSS
Powered by phpBB © 2001, 2005 phpBB Group
Copyright © 2003 through 2009 by electro-music.com - Conditions Of Use