> eran@mx.kein.org wrote:
> Hello list,
> After a few years of maxing I migrated back to PD about a year and a half
> ago and haven’t looked back.
> Now I ran into a stumbling block and I figured I turn to you for help:
>
> I’m looking for a way to impose a harmonic spectrum on a non-harmonic
> signal. I tried cross-synthesis with a harmonic signal, which is ok, but
> what I’m actually trying to do is to “tune” a field recording, in a way,
> so it can have harmonic relations to a live instrument.
>
> I played with the pvtune~ object from fftease which is nice, but the
> results end up sounding a bit autotune-ish. And I also tried driving a few
> vcf~ filters with frequencies running from fiddle~/sigmund~ but the
> fundamental from these objects is too erratic and it sounds very
> unnatural.
>
> Wishart describes in his book a technique he calls spectral focusing,
> which relies on lpc. He says that lpc can be set to generate a filter bank
> which is distributed evenly with respect to pitch, but I’m not sure I
> understand what he means and how it can be done in PD. lpc seems to output
> a set of amplitudes for the coefficients. Can I set the filters to
> frequencies of my choice?
>
> Any help with this would be greatly appreciated,
> Zax
>
>
>
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