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Subject: Re: [AN1x] Analogue authenticity?

From: "Summa" <flotorian@...>
Date: 2005-05-23

On 22 May 2005 at 9:58, Mark Daborn wrote:

> I've had my eye on the Korg MS2000 and the Microkorg for some time now
> and relished the chance to have a quick fiddle.
>
> Having heard the "analogue modelling" on the Korg Legacy Poly 6, i was
> expecting to be blown away by these units.
>
> Well, i must say that the experience has made me re-examine my AN200
> because to my ears, those Korg units didn't sound quite as nice as my
> little box!

I'm having both AN200 and microKorg and if I had to chose I'd prefere the sound
and engine of the AN200. The AN200 filters sound more powerfull and I find the
engine to be more flexible...

> As i own a handful of analogues, i can hear the difference between the
> real thing and the modelled counterparts (it's something that's hard
> to explain, a subtle "background sound" that the digital versions just
> haven't quite got) but just how good is the yamaha AN series?

On analog synths one waveform don't look and sound like another, so at least to
me they sound a bit more alive than their "emulated counterparts", even without
modulation.

> I've tried to emulate this "background sound" by using one of the
> LFO's that isn't being used for modulation duties, to softly vary the
> pitch of the VCO's. Something along the lines of +1 for VCO 1, and -1
> for VCO 2, with the slowest LFO speed. This is on top of any other
> modulation i may have going on.

> I was really interested in the aliasing discussion recently and have
> found the VCO edge tip to be very useful !!

It sure is usefull to emulate the CS-80, that probably sounds rather soft. I only
know the emulation, never used a real one...

> Oh, and one more thing. Does anybody have any clues on how i could
> emulate the bright brass sound (CS-80 wasn't it??) Vangelis used on
> the opening theme tune to Blade Runner? It sends shivers down my spine
> each time i hear it!!

Sounds like a combination of high and lowpass to me, since (if I'm not mistaken)
the CS-80 has 2 filters per VCO, I think this idea is not that far off...
I might try this with the AN200 if I find the time to...

...Summa


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