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Subject: Re: [motm] JH thinks analogue/physical modelling

From: "jhaible" <jhaible@...>
Date: 2002-11-08

> They are good for plucked string type sounds though. A couple of us have
tried
> it on the Nord Modular but couldn't get the delay module to track the
keyboard.
> The plucked string sounds were quite realistic but unplayable. I figured
maybe
> a sampler would help. A person could tune the delay on a note by note
basis and
> sample each one, then play the final sound back on a sampler.

You're loosing all the fun of performance parameters then ...


> >>Moe's exactly right on this one. You need very precise resolution and
> short delay times for physical modeling, something not likely provided
> by the VC digital delays. That still doesn't mean they can't be fun for
> other reasons though.<<
>
> That's why some things are better done completely in the digital domain.
That's
> why I listed some useful software geared toward this.

I don't worry about the resolution of a VC delay. Really.
The fact that most delays are not built to handle fine resolution (why
should they?)
doesn't mean it's impossible (or even difficult) to make them.
Tracking is a problem, expecially if you leave the case of a pure delay
loop,
but then again this could be solved with an autotune routine which
calibrates
a CV conversion table once the model is set up.

Pro digital: can handle much more parameters easily
Pro analogue: more intuitive, less aliasing problems


> BTW, I found out that Yamaha has something called Poly-VL. It's their VL
series
> of physical modeling done in software that runs polyphonically on a
Pentium III
> based computer. The problem is it doesn't appear to be available in the
US.

I didn't know that! So maybe now I don't have to buy 3 VL1m's to expand
my VL7 for 7-note polyphony ?!

JH.