Better Waveforms

Sound synthesis techniques, DSP and related mathematics

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Better Waveforms

Postby chironex on Tue Feb 19, 2008 10:44 pm

Does anyone know where I can find more waveforms that can be loaded as arrays or txts for SM? I know there's that one library in the wiki, but those sounds hardly seem like they'd come in handy...I need something like Absynth's waveform collection. Where could I find that?

...thanks.
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Re: Better Waveforms

Postby Acrobat on Wed Feb 20, 2008 12:09 am

chironex wrote:Does anyone know where I can find more waveforms that can be loaded as arrays or txts for SM? I know there's that one library in the wiki, but those sounds hardly seem like they'd come in handy...I need something like Absynth's waveform collection. Where could I find that?

...thanks.


hi chironex, lets download Chackl's WaveSizer, he created an EXE you can use to build your own wavetables with ease and save as text files! That's a great tool, I'm building my own with it!! :)

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Postby chironex on Wed Feb 20, 2008 2:28 am

This is cool and all, but...

I need a real set of waveforms (Fourier expansion data would be fine, too) that has stuff the synth can't already make by itself. For example, Absynth;s library has the basics, like Sine, Triangle, Saw, etc., but it also has stuff like Organ waveforms, Vox, Woodwinds, additive stuff, inhermonic stuff, types of noises, chords, Analog stuff, etc., etc. I need stuff like that.
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Postby infuzion on Wed Feb 20, 2008 3:43 am

wave player + .WAV you find on the internet, cover DVDs from UK mags, etc.
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Postby chironex on Wed Feb 20, 2008 3:48 am

Some guy over at KVR mentioned single-cycle WAVs. Would you know how to find these??
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Postby infuzion on Wed Feb 20, 2008 4:29 am

You can make one: it usually means the wave is like 256-5000 (whatever) samples long. When it is that short, I prefer to use the wavetable; pitches better IMHO.

But most of the sounds you want (esp voices & chords) are very complex, & will take more than an simple OSC if you really want to re-create. Organs are just sine waves with lots of extra harmonics, but again take more than just a tiny single simple waveform IMHO.
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Postby chironex on Wed Feb 20, 2008 11:56 am

...which is why I'll want to download them off the internet. And I'd convert them to a wavetable first.
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Postby Tom7777 on Wed Feb 20, 2008 1:07 pm

As said before it's best to make them yourself, if your putting them in a synth you will be giving away etc as downloaded samples would no doubt have copyright issues im guessing. As infuzion said more is required to make the sounds usually and they maybe totaly different in absynth to SMs system in anycase, for SMs waveforms osc you will get the best results with using shapes and joining them etc with array maths modules or using a tool like Acrobat suggests, for real instrument sounds sampling your own is by far the best, absynth is quite advanced as a synth so they could be using compressed loops etc. In terms of the links other than the wiki there probably isn't many designed to load in SM at the moment, another thing absynth might do is actually synthesis each waveform with multiple oscs etc within the synth and then use them as a starting point but i don't know how it works and thats a guess. :)
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Postby Acrobat on Wed Feb 20, 2008 1:11 pm

Tom7777 wrote:you will get the best results with using shapes and joining them etc with array maths modules or using a tool like Acrobat suggests,


Yeah I think we can achieve quite complex waveforms with Chackl tool, it allows to sum up partials in some way, it just lacks .txt import to "resample" stuff... :)
Last edited by Acrobat on Wed Feb 20, 2008 1:16 pm, edited 1 time in total.
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Postby Tom7777 on Wed Feb 20, 2008 1:15 pm

I usually make my own setups to build waveforms in SM if i need them, with the array maths theres all sorts of cool ways to morph the waveforms but if you don't want to make them yourself tools like that are a great help when making waveforms.
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Postby Acrobat on Wed Feb 20, 2008 1:18 pm

Tom7777 wrote:I usually make my own setups to build waveforms in SM if i need them, with the array maths theres all sorts of cool ways to morph the waveforms but if you don't want to make them yourself tools like that are a great help when making waveforms.


..but array operations are very slow, to my experience... no real time there... :(
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Postby Tom7777 on Wed Feb 20, 2008 1:20 pm

Yeah well i mean i make projects with certain controls to give me different results then just keep the osms in a project folder for other times if needed. No doubt similar stuff to what was done in the tool but my own unique version. Real time array work may need some work yeah. :)
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Postby Osseous on Mon May 12, 2008 5:06 am

Chironex, why not try these --> http://www.novakill.com/zip/Wavetables.zip

free from the novakill website so should be no problem with copyright, although they do say they sampled them from the Kawai K4, whatever that is.

There are 836 wave files in the download. most of them are just single cycle waveforms of 256 samples long but there are also 8 which are sweep/morphs and are quite a bit longer. Not sure if that is what you are after. I've just been mucking about with them and although there is a lot of crap there are still a lot of really interesting waveforms in there.

Also, cause they are only 612bytes each, you could include the whole lot of them for the budget price of 507kb. I think i might use them on an interesting wee synth i'm having a go at making just now.

hope that helps

:)

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Postby infuzion on Mon May 12, 2008 5:40 am

Osseous wrote:free from the novakill website so should be no problem with copyright, although they do say they sampled them from the Kawai K4, whatever that is.
It is a basic wavetable playback synth, but with XY morphing between 4 user-selectable wt. It is good for morphing pads & short notes with unique attacks; I own a desk-top version of it.
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Postby Osseous on Mon May 12, 2008 1:43 pm

Ahhh. Thats what my wee synth is i'm working on just now. I got the idea from exonerates wavetable mod 1.1. It's nice having a ridiculously large supply of wavetables to put into the XY mod. :)

I got me some random functionality going on to load random wave files from the folder into the wave players, which then get converted to wavetables.

One thing i was curious about was the was exonerates wavetable mod 1.1 works. Everytime the XY pad values change the wavetable has to be created again. Would it be better to create 4 wavetables for the 4 morph sounds and then mod them in the XY after that rather than before?
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