[sdiy] harmonics & vibrato

[Scott Evans, Gen Mgr]

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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