MATRIXSYNTH: Audulus 2 Minute Tip - 13: How make LFOs with the Phasor Node


Thursday, January 28, 2016

Audulus 2 Minute Tip - 13: How make LFOs with the Phasor Node


Published on Jan 28, 2016 Bimini Road

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"This video shows you how to harness the Phasor node and turn it into several different waveshapes. The Phasor runs from 0 to 2pi - without any math, it makes a Saw LFO that goes from 0 to about 6 - these equations tame it, however, and turn it into other shapes. I did not come up with these formulas myself - some came from Taylor and others from the forum.

These equations create DS LFOs between 0 and 1 (DS = direct signal, like DC or direct current). In general DS LFOs are more useful for manipulating knobs - if you keep all your knobs and modulation inputs accepting a range of 0-1 and then translate with math on the inside of the module when necessary, everything talks to everything else much more easily.

As for why the Phasor runs from 0 to 2pi (instead of just pi), refer to this enlightening Wikipedia article: https://en.wikipedia.org/wiki/Unit_ci...

The 2 Minute Tip series breaks apart topics on Audulus into bite-sized chunks. I don't talk during the tutorials (though there are a few notes that pop up), and this is so that international viewers who don't understand English well don't feel left out. Familiarize yourself with the node menu and my navigation won't be so mystifying. In the future, we'll develop a finger press indicator so you can see where I'm tapping.

http://www.audulus.com
http://forum.audulus.com
http://www.biminiroadelectronics.com/...
https://soundcloud.com/biminiroadmusi..."

All parts here.

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