Equation to LFO, by me

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#1

The Creators of Random LFO presents, Equation to LFO, because why not :slight_smile:
Math_LFO.zip (8.1 KB)
Includes:

  • Math_LFO program
  • Some example LFO’s
  • A README with instructions and tips for using

This time everything is explained in the zip, but just in case you don’t feel like downloading it, here’s all the info:

Info

Trig function LFO’s:
Math LFO’s.vitalbank (6.3 KB)

Code: https://pastebin.com/e8MtbWDr

Welcome to Mathematic LFO

by: SlavaCat

Some programming knowledge is recommended for creating equations!

HOW TO USE-------------------------

IF YOU HAVE PYTHON-------------

  • pip install numpy
  • Open code in your editor, make modifications, run the program
  • Copy output and right-click the lfo in vital: select ‘paste’

IF YOU DON’T HAVE PYTHON—

TIPS FOR USE------------------------

  • Use desmos.com to preview your equation and select a good range
  • Math documentation docs.python.org/3/library/math.html
  • Select a smaller range and higher resolution
  • HEED THE WARNINGS!
  • Use the Smoothing knob in Vital to help with non looping equations
  • An IMPORTANT thing to note is that the equation results are scaled to fit the vital LFO window, so x+1 would look the exact same as x+2 or x+103049983789634

EXAMPLE EQUATIONS------------

abs(m.sin(x)+m.tan(x))
x/(1/m.sin(x))
x**2/m.cos(x)

*note operators don’t need the m. if they aren’t found in the documentation: docs.python.org/3/library/math.html

IF YOU HAVE QUESTIONS-------

  • Feel free to message me on the vital forums: forum.vital.audio/u/SlavaCat/
  • Also feel free to follow me on soundcloud: soundcloud.com/slavacat I’m releasing 2 new songs on 3/22/21
  • I’ve also included some example LFO’s for you to use of various trig functions

If you make anything cool, be sure to let me know :slight_smile:

This one is unfortunatly more complicated than the random LFO generator so leave a comment if you need clarification on anything. Also comment any bugs or issues you find!

Examples:
image
image
image

8 Likes
Advanced LFO Sequencer (Enjoy!)
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#2

So, first of all, this is great. Awesome idea.
Second of all, I think algorithms for creating LFOs have great potential, so I think it would be really cool if you could make your own python library format for LFO algorithms. Maybe including a generate() function, and other nescesarry preparations or add-ons.
I’m kind of doing the same for wxWidgets generator apps, and might do the sam LFOer thing, but for c++

#3

Maybe one day when I actually know what I’m doing lol

#4

Ah, ok. Also, what skin are you using? It looks awesome.

#5

SlavaRed.vitalskin (16.4 KB)

1 Like
#6

thanks for sharing. very good idea, the examples look interesting.

1 Like
#7

would it be possible to add a dialoge that asks for the things that can/should be changed?

it´s easy to use with the online compiler, but changing stuff is a bit complicated if you have to do it insde the code.

#8

I guess I could add a dialogue option, but I thought it would be faster if you didn’t have to enter those details every time. I also can’t figure out an efficient way to input an equation. Sorry if this one is a bit hard to use.

#9

I compiled your mather and randomer into a GUI, here it is:
LFOer.zip (10.5 KB)
I haven’t tested that much, so it might be a little buggy.
To make the copying work, you can install pyperclip via whatever IDE you are using. In Python, it is
pip install pyperclip
In Anaconda, it is
conda -c install pyperclip
…I think

2 Likes
#10

It closes when the second I open it?

#11

So a window opens?
If so, does it stop responding, or just close?

#12

the window opens, console and gui, and then both close.

#13

What IDE are you using?

#14

Im just running the python file, I’ll try using the an IDE

#15

Ok it stays up now, but It wont copy when I’m done. Im also assuming that 0 = random and 1 = math

#16

So, about there being a ton of points:
If this could be implemented directly into the Vital synthesizer, it would be a lot easier to handle. Vital already makes calculations to find the outputted value for the LFOs, I don’t think it would be too hard to implement a some kind of mathematical function instead of the normal calculations.
If anyone knows their way around the source code for Vital, please tell me, I’m clueless…