[sdiy] physical modelling

[soundgood at web.de]

Do they just use a normal sine wave for the oscillator for example or are they really modelling all the electronic components of an actual analogue circuit.

If you use ideal models you wouldn't come far but if you actually model the electronics with all their imperfections the results should be good. But the model might be complicated.

Anyway I would really be interested in some of those algorythems. So if anybody knows any, tell me.

T




Dave Krooshof <krooshof at xs4all.nl> schrieb am 11.11.01:
> Hi, "T."
> 
> Just my two cents*
> 
> >I think I came across an email of someone working on algorythems to
> >simulate >analogue synths digitally. He said that the algorythems are
> >straight forward.
> These are in deed so straight forward, you could build them into your
> wristwatch. PM is interesting to model strings, reeds, tubes and drumskins
> with,
> but not something that hasn't really got a phyisical world of it's own.
> 
> I think the kick of analogue synthesizers lies in the area's where
> their behavior is not according to their models. This is the reason why
> you will find so many different schemeatics for - example- sine wave
> genarators. They should all be similar, yet they are not.
> 
> Sorry for my pessimism, yet you may come up with a better way
> of making digital simulators then the current programmers.
> Maybe you can come up with models to describe the odd behavior
> of our electronics...
> There's a huge market for virtual analogue synths. And who knows...
> Implementing FM in digital   sounds kind of rough, maybe your
> approach will shine a different light.
> 
> 
> Dave
> 
> 
> * are these cents like in the 702 cents for the pythagorean fifth?
> or as in the expression "an one cent whistle" (dutch expression for an
> easy task)
> 
> 
> Dave
> 
>  


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