Fourier-Analysis and RMI

[Thierry Rochebois]

>> A multiple VCO versions was developed in 1966 by James Beauchamp.> 

>Have the VCOs been in phase? As far as I can recall the tonewheels in
>an early Hammond produced phaselocked harmonics.
They were locked, exept for the 2nd harmonic: its phase was voltage controlled.


One of my friends said me the RMI is full of shift registers.
So, I have a supposition about its so-called digital output:


Shift registers... can be used as digital 1 bit delay lines.
By mixing the outputs of a register with "well choosen" resistors, you
filter the 1 bit signal (with a kind of Finite Impulse Filter...
if the resistors are choosen to achieve low pass filtering, the signal
becomes almost sinusoidal.

It is just my idea...

>The most distinguishable (sp?) part of most natural sounds is the attack
>phase (e.g. see Roland's D-50). I'd funnel the effort in combinig noise-sources,
>filters, resonators, envelopes to get 'like-a-...' sound IMHO.

Well, this is part of my doctoral thesis (hard) work!



Thierry Rochebois