[PD] sinesum inverse

Simon Iten itensimon at gmail.com
Thu Aug 4 09:53:05 CEST 2016


sorry to post again.

i think sigmund~ can do this.

but i would be thankful for a hint how to calculate it. if it’s fft, then some insight how to use fft on a single wavetable would be very nice.

> On 04 Aug 2016, at 09:34, Simon Iten <itensimon at gmail.com> wrote:
> 
> dear list,
> 
> i can create nice wavetables with sinesum.
> 
> what would be the easiest process to do the inverse?
> 
> reading a wavetable of known size and converting it to it’s sine harmonics gain structure.
> 
> fft? i am a little bit lost on how to do this with a wavetable.
> 
> or is there a simpler way if i know the number of points and the range of the waveform?
> 
> cheers




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