LFO help

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LFO help

Postby richyspitz on Wed May 16, 2012 3:43 pm

is there any way to modify the lfo from the analogue kit so you can control the freq rate with buttons instead of the knob? i tried to modify the 'selector' but i dont understand which values i need to change for it to do this...
lforate.png
lforate.png (49.58 KiB) Viewed 700 times
, i only want to use those tempos and it will stay in sync. thank you
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Re: LFO help

Postby Warmonger on Wed May 16, 2012 3:57 pm

Uhm, selector seemingly selects index, which is integer. That is 0,1,2,3 etc. You pass it to float input, which is desired 0.5, 0.25 etc. It just doesn't make any sense, you should have used array. Or have these values at selector input.
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Selector.png
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Addictive synthesis.
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Re: LFO help

Postby richyspitz on Wed May 16, 2012 4:05 pm

thanks, im still new to all this and the only place ive been learning from is the forums but i couldnt find anyhting about this, i jus had an idea for a fx filter plugin with an lfo that you can change the speed with buttons or pads instead of a knob if that makes sense, is this the best way to achieve this?
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Re: LFO help

Postby Xtinct on Wed May 16, 2012 4:45 pm

If you search the forum for radio buttons topic you will find it a big help :)
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Re: LFO help

Postby trogluddite on Wed May 16, 2012 6:13 pm

The array alternative to Warmonger's selector looks like this...
Array Get At.png
Array Get At.png (14.59 KiB) Viewed 647 times

Just be careful when making the links - the selection choice has to be linked to the 'Array Get' integer 'Index' first; then to the 'Get' trigger. If you do it the other way around, it will look in the array before the index is set correctly, and you'll get the wrong output.

Which method is best?
When you're offering the user a choice of fixed values, there's really nothing in it. So unless other parts of your design give you a reason to do it one way or the other, just choose whichever you find easiest.
Both ways are dead useful any time you need to choose from a list of values, as there are many different ways to get an integer 'Index' - so you can easily choose whatever kind of panel control you think will work best when using the plugin.
For my money, the little radio buttons are a great choice (as long as there is room on the panel!). A single mouse-click gets you instantly to any setting you want without having to call up a menu or step through all the in-between values - precisely why I don't like knobs for that kind of thing either!
Feel free to use any schematics and algorithms I post on the forum in your own designs - a credit is appreciated (but not a requirement).
Don't stagnate, mutate to create. Without randomness and serendipity the earth would be just another barren rock.
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Re: LFO help

Postby richyspitz on Fri May 18, 2012 4:38 pm

thanks that was all really helpful, it still isnt working how i want it to though, i cant work out the right tempos, and is there any way the lfo can be retriggered when you change the freq? i also need to automate it in a daw, the idea of it is like a perfomance lfo vst. heres the file
spitz filter.osm
(924.08 KiB) Downloaded 45 times
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Re: LFO help

Postby Xtinct on Fri May 18, 2012 6:08 pm

Try this tempo synced or not for each pad
spitz filter2.osm
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Re: LFO help

Postby Xtinct on Fri May 18, 2012 7:01 pm

Simplifide a bit with retrigger on speed change
Nice performance feature you can dial a new speed on the currently active pad then update it by clicking it again.
spitz filter3.osm
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I'll leave automation to someone else as its not my forte.
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Re: LFO help

Postby richyspitz on Sun May 20, 2012 1:39 pm

thank you youre an absoloute legend for that! ill keep you updated with it
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