Analogue systems

le 12/10/03 06:21, Bryan Lowe à kingfm@yahoo.com a écrit :

> Actually, the Ondes has a keyboard that has vibrato capability as well.

vibrato can be achieved thru a lever for the left hand or with the ring (on
the Ondes I've seen)

> The french connection does not.

Still it's the closer I know of so far. trouble is the mecanics in the Ondes
(the ring part) are overcomplicatedŠ Guess is ASys/Bob found it reasonable
not to reproduce everything

> Also, the concert Ondes had a full sized  keyboard.

The Ondes have 67 keys, the FC 56, from my harpsichord experiences (54-64-67
keyboards are the common uses, 6x keys are necessary for 18th century music,
this said you can play them with difficulties on 54 keyboards), it's not
that dramatic ;) Only real piano players find less than 88 notes a personal
attempt to spoil their art ;)))
(another religious argument ;)

Guess the choice was to use most of the other controlers partsŠ Or a larger
keyboard would be much too far fetched price wise

> The French Connection does not.

Similarity is not identity ;)

> The ondes also had 4 different
> speakers, one with resonating strings, another with a gong that resonates as
> well.

_3_

-normal speaker
-"harp"
-"gong"

the 4th that the SIOM talks about is still under developement as far as I
know (I follow rather weakly ;)

> But....

ah ah  !!!

> You are right on the hetrodyne.  So far by mixing two of the outputs from the
> AS VCO into the AS VCA I am able to get a pleasant sound that is not unlike
> the sound of the Ondes on the recordings I have.

As said on the ASys site a close aproximation is a sine, this said, I don't
know the "defaults" a sine should have to be really close to a RCA valve
theremin or an OndesŠ Have an idea?

Theory in heterodyne is that the resultant wave is sineŠ But I'm sure
there's much more into it.

I should look at a theremin outpout on an oscilloscope maybe (easier to come
by than an Onde)

> A minimal setup, but all my current budget allows.  More soon.   It has been a
> blast so far.  I am not a keyboard player even... so much to learn.. but so
> far a theme from Mother Goose by Ravel, and a great piece for Ondes by Jacques
> Charpentier.  Far from perfected, but I am on my way!

Keep up the good work :D

Denis U]

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lepetitmartien           M.I.C.                http://www.macmusic.org