OK... we currently have three theories:
- half-sine
- sinusoidal through waveshaping distortion
- filtered sawtooth

(perhaps the last two ones are compatible?)

But I heard that Rockmore's sound is slightly different from the
"classic" theremin.

Any ideas?

Pedro

On Jan 16, 2008 4:03 PM, Richard Dobson <richarddobson@blueyonder.co.uk> wrote:
> Pedro Ferreira wrote:
> > Hello.
> > Yes, I've read that it's achieved through heterodyning. But in this
> > case we're left again with a sinusoidal (which goes against Joseph's
> > mail). I guess the secret is the kind of filtering that the signal
> > suffers. What kind of distortion are you talking about?
> >
>
> Looking at the first track on the OHM disk set, (Clara Rockmore, "Valse
> Sentimentale" - and played ~extremely~ sentimetally!)  it is a filtered
> sawtooth (very few harmonics). Difficult to be more precise with all
> that vibrato.
>
> Richard Dobson
>
>
>
>
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