Sub-harmonics and the sub-harmonic series

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stubbsonic
Tue Nov 16, 2010 4:24 pm

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Sub-harmonics and the sub-harmonic series

I've been really enjoying first couple months using Morphine. It is really a monster synth, with incredible
potential. And though programming can be a bit tedious, very interesting new tones are possible.

In the hopes that further development might still be possible, I thought I'd kick around a couple feature ideas.

I've only briefly tinkered around with the sub-harmonic series, but I think it would be interesting if
Morphine could have some function to allow inclusion of sub-harmonics in the series.
This could be nice for sound design, bell tones, etc.

In case some of you are not familiar with the sub-harmonic series--
where overtones are whole number multiples of the fundamental frequency,
sub-harmonics are in this series 1/2, 1/3, 1/4, 1/5 (what's that series called?)

The intervals generated are beat-less and fit together, but sound very strange
as they are not commonly found in natural vibration systems in the world--
except for some metallic objects (?-- I think). A loudspeaker might produce
one sub-harmonic-- but not the series.

Here's an example if Middle C (C4) is the fundamental:

1/2 = C3
1/3 = F2
1/4 = C1
1/5 = Ab0
1/6 = F1
1/7 = D1
1/8 = C0

I'm pretty sure that's right.


stubbsonic
Thu Nov 18, 2010 2:10 pm

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Here's a little example...

http://www.bubbastubbs.com/misc/SubHarmonics1_1...

stubbsonic
Thu Nov 25, 2010 5:30 am

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UPDATE

Ok, I've done some further experiments, and hav...


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