[sdiy] harmonics & vibrato

[Tim Ressel]

Hey Scott,

Well, as the finger moves back and forth it shortens
the effective length of the string. The harmonics take
less of a fraction of the length of the strng per
wave, so it follows that the shortening would have a
greater effect on the harmonics. Does that sound
right?

=-= tr


--- "Scott Evans, Gen Mgr" <esresource at earthlink.net>
wrote:
> Tim,
> 
> If you think about it, the mechanics of a violin
> vibrato is made from 
> the movement of the finger, back and forth on the
> string. This would 
> have a similar effect on pitch as placing the finger
> on another part of 
> the string to change the note (pitch). I would say,
> for the most part, 
> that each harmonic maintains its relationship to the
> fundamental as some 
> form of ratio. There may be some added components of
> sound I am not 
> aware of in the fast movement of the vibrato.
> Additionally, the 
> resonance of the violin body that is coupled through
> the bridge will 
> have an effect on the relative strength of the
> harmonics depending on 
> the particular pitch(es) being played. Any violin
> experts out there with 
> some added insight?
> 
> Scott
> ----------------------------------------
> Tim Ressel wrote:
> > Yo,
> > 
> > Here is a ponderance: when a violin string is
> being
> > played with vibrato, how are the harmonics being
> > affected? do they change at the same frequency
> > difference as the fundamental, or do they
> proportional
> > to their ratio with the fundamental?
> > 
> > To put it another way: If the fundamental is
> changing
> > 1%, does the 2nd harmonic vary 1% or 2%??
> > 
> > Thanks,
> > 
> > --tr
> > 
> > 
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> 


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