Dear community

I am using libpd in an unity school project with the fantastic libpd4unity. I need pitch detection of the input vocals and unfortunatly neither [sigmund~], [fiddle~] nor abstractions work in this version of libpdcsharp.so (the core implementation of Pd for Unity).
So I search for a pitch tracking algorithm without these objects. So far i came up with some [rfft~] aproach but that is not sufficiently working.signalInput.pd
Does anybody have something laying arround? or more practical knowlegde then me?

Thx, Jonas

@Johnny-Mauser Try ........ http://katjaas.nl/helmholtz/helmholtz.html
As always brilliant stuff from Katjaa.......
Source code is there if you need to compile it...... (see very end of linked page)...
David.

@whale-av Thank you David! I am allready looking arround such reading sources. But my problem in this case is, that i can not incorporate any external objects (not even [sigmund~] and [fiddle~] but everything must be done in pure Vanilla. And my experience in this field of "hardcore" DSP programing is quiete limited. Nevertheless now i try to use Katjaas explanation to refine my patch.