MOTM

Are you thinking about tuned feedback/delay lines under voltage 
control ala Ron Berry's stuff? Now THAT'S what would be the killer 
jewel in the MOTM crown! I want several!!!

Moe

>>>>
> (But I'm thinking a lot about analogue physical modelling modules 
lately -
I guess I must discuss this with Paul some time (;->) )

Oh yes. :) Please do.
<<<<

> Are you thinking about tuned feedback/delay lines under voltage
> control

yes

> ala Ron Berry's stuff?

I don't know about this. Do you have a link?
(I'm aware of Ian Fritz's stuff, though.)


> Now THAT'S what would be the killer  jewel in the MOTM
> crown! I want several!!!

I am only beginning to understand the theory of this. I used to think
the delay lines were the important part (because you can get
very nice sounds by just making feedback around a BBD delay
line), but there is much more. The fun begins if you have means
to change air pressure and embouchure on a simulated reed,
which involves a lot of nonlinear stuff (easy in analogue) and
a lot of knowledge how to set the parameters (I'm just a
bloody beginner here).

Don't expect anything soon. At the moment I'm just playing
with my VL7 and reading ugly Yamaha patent texts.

JH.

I think the idea of a series of modules based on analog modeling 
(sometimes referred to as physical modeling) is a great one.

In fact the whole idea is to create an analog in the electronic 
realm of a musical instrument.  For instance for a woodwind, you 
would have a generator of some sort which would simulate the reed 
and a resonator which would simulate the body of the instrument. 
Voltage control inputs would cause the generator to respond to such 
things as lip pressure, breath, tongue placement etc.

The first step is usually to create a mathematical model of a class 
of instruments.  Most physical modeling synths are digital, but 
there is no reason the mathematical formulas cannot be modelled in 
the analog realm.  

I have used some of the Yamaha synths which incorporated physical 
modeling and some of the Korg synths as well, such as the Z1 and the 
Prophecy.  When you think about it the whole reason they are called 
synthesizers is because they synthetically create an electronic 
model of a physical instrument.

Although I love the idea of a series of modules with this basis I 
hope JH takes his time.  Paul has so much great stuff coming out I'm 
starting to worry about how I'm going to afford it all.  Oh well, I 
can always sell more old stuff.

Good reading material for a rainy evening....

Physical Modeling - Nord Modular
http://www.cim.mcgill.ca/~clark/nordmodularbook/nm_physical.html 
<http://www.cim.mcgill.ca/%7Eclark/nordmodularbook/nm_physical.html>

Intro to Physical Modeling
http://harmony-central.com/Synth/Articles/Physical_Modeling/

Julius Smith
http://ccrma-www.stanford.edu/~jos/ <http://ccrma-www.stanford.edu/%7Ejos/>
http://www-ccrma.stanford.edu/~jos/waveguide/waveguide.html 
<http://www-ccrma.stanford.edu/%7Ejos/waveguide/waveguide.html>

Ron Berry
http://www.sospubs.co.uk/sos/1997_articles/jul97/ronberry.html

for those of us who are a little slow {namely me} what *ARE* you 
talkin' about, my good man???
an' who's ron berry while i am about it...
thanks,
doc


--- In motm@y..., "mate_stubb" <mate_stubb@y...> wrote:
> Are you thinking about tuned feedback/delay lines under 
voltage 
> control ala Ron Berry's stuff?

For more ideas on tuned feedback/delay, check out the
Evolver:

     http://www.davesmithinstruments.com

One of me mates got one yesterday (from the first
shipment) and loves it.

I agree with fellow wiseguy Moe!  Sounds yummy to me.

Chees!
Shemp

--- mate_stubb <mate_stubb@...> wrote:
> Are you thinking about tuned feedback/delay lines
> under voltage 
> control ala Ron Berry's stuff? Now THAT'S what would
> be the killer 
> jewel in the MOTM crown! I want several!!!


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