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Author Topic: Generative multi-dimensional fractal synth metal  (Read 2738 times)
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menokefug
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« on: August 23, 2013, 06:00:27 AM »




Some music using my own programs in PureData driving Hydrogen softdrummachine and Zynaddsubfx softsynth.
4D quaternion mandelbrot https://soundcloud.com/menokefug/orbit42
8D octonion mandelbrot https://soundcloud.com/menokefug/octobrot
4D quaternion burning ship https://soundcloud.com/menokefug/quatship
https://soundcloud.com/menokefug
Photography by me.
Music is actually microtonal but don't let that put you off.
« Last Edit: September 15, 2013, 07:24:08 AM by menokefug » Logged
eiffie
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« Reply #1 on: August 23, 2013, 06:21:03 PM »

How are the orbit points transformed to the microtonal scale?
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Nahee_Enterprises
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« Reply #2 on: September 09, 2013, 12:48:51 AM »

    Some music using my own programs in PureData driving Hydrogen softdrummachine and Zynaddsubfx softsynth.
    https://soundcloud.com/menokefug
    Music is actually microtonal but don't let that put you off   wink

Out of the five different audio files you have at the above web page, I liked "septimal" the most.    cheesy
 
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menokefug
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« Reply #3 on: September 15, 2013, 07:39:59 AM »

Hi eiffie, my laptop is under-equipped for this music making so i made the sequencers simple. Each orbit co-ordinate outputs to a midi channel. A co-ordinate is assumed to be within -2 to 2, it is normalized to be between 0 and 1, multiplied by a pitch range parameter, rounded to an integer, transposed up or down by a transpose parameter, then clipped to be between 0 and 127.
Each midi channel is therefore a constant pulse of chromatic note numbers. I use the microtonal softsynth Zynaddsubfx to add rests and restrict to a scale by simply using it's excellent programmable keymapping, by editing this i can adjust note density and which notes in the scale have preference.
The same midi channels drive the drum machine, again rests are created by using a carefully designed 32 piece drumkit with gaps so many midi messages trigger nothing.

This is the basic 2D Mandelbrot sequencer that shows how the 4D and 8D ones operate:



Nahee, thanks, Septimal is actually a microtonal 6 string bass guitar improvisation using an Ebow and multi-looper.
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eiffie
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« Reply #4 on: September 15, 2013, 06:24:27 PM »

Thanks for the explanation menokefug! This mapping sounds similar to what I am doing with Sloth Canons (another thread). After getting the integer values (from a different method like brownian motion) I toss out the chromatic notes that aren't in the selected scale. It gives a very natural rhythm that makes me think we do this subconsciously when we write music?huh? Now I have to learn more about microtonal scales. Thanks again.
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