I think the name Harmonic is what's confusing. My understanding is that it's just a "frequency band".
That said - it might be cool to support some alternate ways of binning the fft data. On Fri, May 22, 2009 at 2:30 AM, Janosch Peters <[email protected]> wrote: > Hi Gabor, > >> fluxus sums up the results of the fft calculation in 16 fft >> bins. as far as i know, it calculates the fft for the buffer size you >> specify in start-audio, then sums up the neighbouring values > according >> to a non-linear mapping table, which specifies for example that the >> 9thharmonic will be calculated by summing up the bands between 28 and >> 40. > > Ok so that means we have a fixed relation between frequencies and > harmonics, e.g. a sine pitch of 440hz will always be assigned to the > very same harmonic. So it might look like this: > > frequency(-band) harmonic > 25...50...75 0 > 50...100..150 1 > 100..200..300 2 > > Here the fundamental frequency is 50hz. I guess frequencies far away > from the frequency band center are weighted less? > > I recognized that "centering" frequencies within their frequency band > would mean that the frequncie bands are overlapping, correct? > > And whats the purpose of assigning multiple frequncie bands to one > harmonic? Wouldnt be a 1:1 relation ship (as in the example) enough? > > Sorry for asking so many questions, but Im going to give a presentation > about fluxus, and I'd like to know a bit what Im talking about. :-) > > cheers, > Janosch > > -- > I'm trying a new usenet client for Mac, Nemo OS X, since 0 days. > You can download it at http://www.malcom-mac.com/nemo > >
