Votrax SC-02

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Lichthof
Posts: 2
Joined: Sat Mar 07, 2015 11:19 am

Votrax SC-02

Postby Lichthof » Sat Mar 07, 2015 4:15 pm

I picked this VST up today, and boy was I impressed! There is just so much to discover in it.

I would love to see a SC-02 voice in the VST as that is the chip that the almighty Kraftwerk use for their Robovox machine, and also the current SC-01 voice sounds a little 'over-sampled' to me.

I love the product and look forward to all future releases :D

davidv
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Re: Votrax SC-02

Postby davidv » Sat Mar 07, 2015 4:30 pm

Hello

The SC01 and SC02 are very similar in terms of timbre, the main difference between the two (and the reason Kraftwerk has used the SC02),
is because you can tune the later's pitch. We have an SC02 chip here and we could add it, but since we "faked" the pitch using DSP and our own SC01 recordings, I doubt there would be much point in the SC02 as a separate voice, though it may be more correct.

And could you define what you mean by over sampled?

Thanks!
David Viens,
Plogue Art et Technologie Inc. Montreal.
http://www.plogue.com

Lichthof
Posts: 2
Joined: Sat Mar 07, 2015 11:19 am

Re: Votrax SC-02

Postby Lichthof » Sat Mar 07, 2015 5:19 pm

I see where you're coming from, and I don't wish to cause a hassle if it would take a lot of willpower to add in the SC-02.

By over sampled, this is very hard to put into words... The voice in the VST sounds more synthetic(?) I know it sounds odd, but there is just some difference between the virtual Votrax and the real one.

If you listen to the real world one it is clearer than the virtual one, or at least I haven't been able to replicate the clarity in the synth.

This video sort of shows the clarity of the voice IRL - https://www.youtube.com/watch?v=GTMow2Sn67A

davidv
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Re: Votrax SC-02

Postby davidv » Mon Mar 09, 2015 8:33 am

Of course there are differences.

A real votrax, as you posted (and we know it pretty well) has this huge high frequency whine permanently mixed into the signal. And seems to be driven by a slowish clock in this video as well. This video doesn't show singing (as a real chip can't), but only uses the 4 different inflection settings.

Our emulation is tweaked for singing, not talking too so the timing between phonemes is all redone too.
David Viens,

Plogue Art et Technologie Inc. Montreal.

http://www.plogue.com

davidv
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Posts: 1567
Joined: Tue Mar 02, 2004 7:23 pm
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Re: Votrax SC-02

Postby davidv » Tue Mar 10, 2015 12:18 pm

Curious as a reviewer just came to us with the same observation. I think it will require a more in depth audio/video explanation, and maybe insert back the "keep original frequency" mode we had in the last betas.

Basically each phoneme on a real chip has their own "native pitch" and we strip all of that.

So its a combination of factors why it doesn't sound like a Votrax just talking away.
David Viens,

Plogue Art et Technologie Inc. Montreal.

http://www.plogue.com


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