Hi -
Do you mean you want to model the feedback between the string's
position/velocity and whether the bow sticks or slips? In other words,
the input could be something like a continuously-ascending ramp which
resets to zero when some condition on the output is met.
If so, you could use a Phasor as your source, and use LocalIn and
LocalOut to feed information back to the Phasor's reset trigger. (As
with all LocalIn/LocalOut you then have the issue that the feedback
loop introduces a delay corresponding to the control-block-size, so be
aware of that.)
HTH
Dan
2009/4/22 Andrew Csoka <
F06376533@...>:
> Hello all
>
> I'm currently trying to implement a waveguide model of a bowed string within
> Supercollider.
> I've managed to replicate the delay lines and, to some extent, the
> scattering with Allpass filters.
>
> I've been using a saw wave as the delay line's input for testing, but I now
> want to model the stick-slip motion.
> Most other examples seem to use wavetables for the input, but I'm wondering
> if this can be done within supercollider.
>
> Any help is appreciated,
> Andy
>
> =======================
> Andrew Csoka
>
F06376533@...
> =======================
>
>
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