junction noise (really), cont'd.

[Haible Juergen]

	>Pink, white etc, these are EE concepts, ie. these ideas come 
	>certainly not from musicians, but engineers.
	>As you have mentioned it is difficult to say which unit is the
best,
	>without looking at the spectrum.
	>
	>I always wondered why musicians cared about all that and
	>did not filter to their own needs, regardless of theory.
	>Perhaps the concepts of noise are very hard to understand.

I fully agree. Who needs 3dB/Oct filtering in music at all ??

I was surprised how uesful the dead simple high cut / low cut
type of noise filtering in the VCS3 is in practice. Yes, it resembles
the radio receiver tone controls as they were *before* separate
treble and bass controls were introduced, and yes, it's nothing else
than 6dB/Oct filtering, but it sounds quite "right". In fact, when I
first played with it, I wondered why not more Modulars have such
simple filters in addion to their steep VCFs.

BTW, the most convincing rain and thunderstorm simulation
I haved achieved so far was done with repeated filtering
of my HiFi amp's Treble and Bass controls. I used some "white"
(or whatever, who cares) noise source, processed it manually
with treble and bass controls, and recorded it. Then played back
the tape and did some more manual treble and bass control.
Same procedure repeated 7 or 8 times. Playback tape speed
was slightly different to recording tape speed - may or may not
be of importance. It's easy to see that with 8 iterations there can
be anything applied from flat frequency response up to 48dB/Oct
filtering. In practice, I got everything you would hear in a thunderstorm,
from the low rumble to individual drops of rain, with density increasing
and growing to a downpour.
It's too bad that I have lost this recording, and I have never repeated
the time consuming procedure.

JH.