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Re: [Doepfer_a100] Re: starting a modular - Z3000 waveform quality?

2008-11-25 by Mark Pulver

I'm not at home, and I get the impression that you're gonna want an 
absolute answer not something from memory, so I'm dodging your question 
right now.

But, I'd like to comment in a different way against your statement:

   >I don't think anyone is advocating that VCOs should produce
   >a "perfect" sine.
   >Just simply a clean wave what has no audible buzz or
   >distortion. That's what defines a sine - just the fundamental
   >component. Anything else is NOT A SINE WAVE.

Technically, "sine" could be the puritan quality you're talking about, or a 
reference to something that's sinusoidal.

And yeah, I'm picking at nits, kinda' like you are. :)

The Z3000 "sine" is not a pure sine, it's a sinusoidal waveform that is 
"just simply a clean wave what has no audible buzz or distortion".


Mark
-----
laryn91 (09:59 AM 11/25/2008) wrote:
 >Are there audible harmonics in addition to the fundamental?
 >
 >
 >--- In Doepfer_a100@yahoogroups.com, Mark Pulver <mark@...> wrote:
 >>
 >>
 >> Ummm, there's nothing "buzzy" about the sine in the Z3000. I think that
 >> word was being used in the thread for another VCO.
 >>
 >> -----
 >> laryn91 (09:34 AM 11/25/2008) wrote:
 >>  >I don't think anyone is advocating that VCOs should produce a "perfect"
 >> sine.
 >>  >Just simply a clean wave what has no audible buzz or distortion. That 's
 >>  >what defines a
 >>  >sine - just the fundamental component. Anything else is NOT A SINE WAVE.
 >>  >
 >>  >It seems either ignorant, sloppy or misleading for a manufacturer to
 >>  >intentionally make a
 >>  >buzzy wave and then spec it as "sine" wave. At the very least label it
 >>  >something more
 >>  >accurate like "buzzy wave beta testers like" ;-)
 >>  >
 >>  >You can always start with a clean sine and add distortion as needed, but
 >you
 >>  >can't go the
 >>  >other way and cleanly remove the buzz  to get a decent sine. I'm guessing
 >>  >those
 >>  >rationalizing against the usefulness of clean sine waves for music
 >synthesis
 >>  >have never
 >>  >even used one (since nobody seems to make them anymore...).
 >>  >
 >>  >
 >>  >--- In Doepfer_a100@yahoogroups.com, "Mark" <mark@> wrote:
 >>  >>
 >>  >>
 >>  >> Hi James;
 >>  >>
 >>  >> Tiptop didn't set out to make a perfect sine - in fact, one of the
 >>  >> things that the testers talked about during beta was just how
 >>  >> wonderful this sine _sounds_. I agree that I wouldn't use this sine as
 >>  >> a LFO source for the perfect panner or some-such, but you really
 >>  >> should hear this one in a track.
 >>  >>
 >>  >> And to that point, the sound of this module (specifically the sine)
 >>  >> doesn't have as much to do with the sine itself, but how the VCO gets
 >>  >> you between pitches. :) That's what you really wanna hear.
 >>  >>
 >>  >> I (and I figure most of us here) have a LOT of VCOs in their system.
 >>  >> They each have their place, and sometimes many places. The Tiptop has
 >>  >> created it's niche too. :)
 >>  >>
 >>  >> Mark
 >>  >> -----
 >>  >> --- In Doepfer_a100@yahoogroups.com, James Husted <ersatzplanet@>
 >>  >> wrote:
 >>  >> >
 >>  >> > I was hot for the Tiptop VCO till I saw this video made about it.
 >>  >> > -     http://vimeo.com/2206614
 >>  >> > That is one of the worst sine waves I've seen and the spectrum 
display
 >>  >> > shows many harmonics that shouldn't be there. I count at least 7 on
 >>  >> > the spectrum display.

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