[Fluxus] Output of 'gh'

Janosch Peters petersj at in.tum.de
Fri May 22 06:17:18 PDT 2009


> if you construct an fft with the buffer size of 1024 and and a sample
> rate of 44100 hz, then the spectrum will contain values for
> frequencies below 22010 hz. the 22010 hz will be assigned to 1024
> frequency bands equally, similarly to your table above. but these
> frequency bands will be post processed to get the values that are
> called harmonics in fluxus. and the mapping here is non-linear. there
> are no overlapping frequencies. the first 256 bands are used, some 
are
> contributing toharmonic 0, some to harmonic 1, etc.

Hm, Im still confused. I always assumed that "fluxus haronics" = 
"overtone/harmonics", is that correct?

If my assumption is correct, speaking of harmonics/overtones, you need 
a fundamental frequency on which the harmonics are based on. Is it a 
constant value in fluxus? Or is there some algorithm that choses a 
ground frequency dynamically for each buffer?

I might also have a misconception of harmonics :-|

--
Janosch


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