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Free runing oscillators - Supersaw


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#1 Akiz

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Posted 06 April 2014 - 20:35

I wanna to create supersaw instrument with free running oscillators.


I think about one way how it should be possible for now:
Having device with "sample start" and "sample end" where by note triggered lfo would always select different random value for "sample start"

Or is there any workaround? Thanks

Edited by Akiz, 07 April 2014 - 18:31.


#2 Akiz

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Posted 06 April 2014 - 21:16

My first idea how to make it with R3.0. Something like this...
Creating a lot of SAW samples with different phases, assign overyone to different Fx chain with gainer.
And there will be one control chain with lfo triggered by a note (velocity tracker) which will reset lfo that will gain to randomly selected gain in some of fx chain and other will be muted. -> this *6 (six saw waves)

I know it is not free running oscillator but it can somehow simulate it, or not?

Edited by Akiz, 06 April 2014 - 21:34.


#3 toblerpone

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Posted 06 April 2014 - 22:45

I didn't give this too much thought, but could the chorus device simulate this behaviour?

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Edited by gova, 06 April 2014 - 22:54.


#4 nautilus

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Posted 07 April 2014 - 00:33

:wacko:
Well this is damn complicated.

So you want the phase be restarted randomly to play
at least two of them on one note. What does it sound like?
Phasing at different speed? This should do the trick.

And with panning and detune this is called 'unison supersaw'
or what?

A final stupid thought:
Does this work without causing clicks? I mean the samples are
already playing before the random device can un-mute one.

JP-8000 Picture

Greetings

Edited by nautilus, 07 April 2014 - 01:14.


#5 Akiz

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Posted 07 April 2014 - 01:06

nautilus:
psst ;)/>
I am trying to replicate exactly this saw thanks to this "manual" (bachelor work).
http://www.nada.kth...._adam_10131.pdf

And i dont think about phrases now. I just think how to make every "oscillator" having different phase when i press key.

Edited by Akiz, 07 April 2014 - 01:07.


#6 Akiz

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Posted 07 April 2014 - 01:25

I dont wanna use chorus for duplicating waveforms cause it cant be very well changed later. Look into the PDF for better understandanding.
I need stacked wavefiles (saw waves) with different pitches based on key tracker and phases that are random and i dont if is it possible with Renoise.
(Something like random mode looping mood of the sample that is restarted by key input would make it; or meta device with sample start and sample end :-)).

Edited by Akiz, 07 April 2014 - 01:26.


#7 nautilus

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Posted 07 April 2014 - 02:27

Another way is to use the random cycling option.
(!!) :rolleyes:

Do you already have the waveform?

#8 Akiz

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Posted 07 April 2014 - 09:56

Aah! Random cyclic!!! I think that will do the trick. Thank you!

#9 Akiz

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Posted 07 April 2014 - 10:08

...

Edited by Akiz, 07 April 2014 - 17:16.


#10 Akiz

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Posted 07 April 2014 - 18:34

Here is my first supersaw pseudojx8 instrument.
Anybody can upgrade it :-)

Problem is with chords cause multiple samples are played even if they are in mute groups :(
Does anybody know how to solve it? Open this instrument and play chords, it sounds like some broken analog :-D

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#11 fladd

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Posted 07 April 2014 - 18:50

Cool effort, thanks!

Chords seem fine here...

Nice sound when detuned a bit more! CPU usage is ridiculous, though, 30% of a i7 with four 2.2GHz cores playing 3 voices...

#12 Akiz

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Posted 07 April 2014 - 18:57

Thank you. Detuning and phases are not same as in jx8 but it is heavily inspired by it.
And about chordes - maybe they are fine, i am little confused right now to be fair...
And yeah, Renoise inst are very cpu heavy :(.

Edited by Akiz, 07 April 2014 - 18:58.


#13 Tom de Rooy

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Posted 07 April 2014 - 20:28

Playing here on a linux machine, I5 3ghz, 8gb ram mint 15 64bit mate 1.6:
CPU around 6-7%. (3 voices and change the macros during play)

#14 fladd

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Posted 07 April 2014 - 21:10

Playing here on a linux machine, I5 3ghz, 8gb ram mint 15 64bit mate 1.6:
CPU around 6-7%. (3 voices and change the macros during play)


Strange...

#15 Tom de Rooy

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Posted 07 April 2014 - 21:12

Are the linux builds more optimized than win/osx?

#16 fladd

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Posted 07 April 2014 - 21:52

I am on Linux as well :-) Elementary OS 32 bit.

#17 Tom de Rooy

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Posted 07 April 2014 - 21:59

I am using cpufreq performance mode

#18 toimp

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Posted 07 April 2014 - 22:31

Here, someone else tried the same and it sounds pretty good:
http://forum.renoise...-xrni-supersaw/

#19 Akiz

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Posted 07 April 2014 - 23:25

Will look at it!

#20 Akiz

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Posted 08 April 2014 - 13:21

toimp: It is nice but random phase isnt here and final waveform looks much less JP8x than mine. So it is different supersaw :-)
I am happy that i've found my effort wasnt wasted :-)
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#21 nautilus

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Posted 11 May 2014 - 21:46

Thank you Akiz!
Wasn't able to open it until the 3.0 release. It sounds as it should!
I put two instruments - each for one channel on the same track.
Works well with the chorus and the exciter afterwards while shaping
only the mids of the 'side' for a wide spread. nice! Will use it some day...
Thanks again ^_^

#22 Akiz

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Posted 20 May 2014 - 13:33

Thank you!
Btw. There are some details that could be made better. I replicated some of them so i will update new version in day or two.
It sounds different (not worst or better), it is much more polite supersaw with some added function. Stay tuned ;))