Newby Question on Synth terms

[Hairy Harry]

Hi Dave:

Sync (simple version):  One Oscillator causes another to reset its
waveform, causing the second oscillator to run at an integral multiple
of the frequency of the first. Comes in HARD and SOFT flavors...

Hard resets right NOW! bang. Gives a sort of PWM type sound, or can sound 
like a resonant filter sweep.

Soft resets only when the oscillators are near each other in frequency
eliminates beating.

Hard is the most common flavor.

FM = Frequency Modulation (implied here... LINEAR frequency modulation).  
This modulation will move the VCO frequency an
equal number of Hz, not an equal musical interval.

Some like it a lot, some never use it...

MY "HO"  Sync is a real plus... Linear FM is not necessary

Actual Mileage may vary...

H^) harry


>From: "Dave Wilke" <mysynth at hotmail.com>
>To: synth-diy at node12b53.a2000.nl
>Subject: Newby Question on Synth terms
>Date: Fri, 21 Jul 2000 10:13:22 PDT
>
>I'm trying to nail down the finalized specs for a DIY analog/modular.  I
>*thought* I was conversant in synth terminology (I grew up during the glory
>days of MOOG), but I'm having a problem finding good definitions of the
>following:
>
>Sync
>
>FM
>
>Whazzat?  Several module schematics I've found feature these as inputs.  
>Are
>these worthwhile having on a low-end analog box?  What kind of signal are
>they expecting to see (it's tempting to think the "sync" will be a
>clock...)?  How will they modify my sound?
>
>Thanks!
>dave
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