I asked almost the same question a month ago. I hope yours gets answered ;-)
On Wed, Apr 27, 2011 at 5:17 AM, Nathan Stewart <swarf...@gmail.com> wrote: > I'm digging into clam - and not finding a lot of documentation, even in the > source. > I'm trying to look into the perennial polyphonic pitch detection, however I > have a laundry list of constraints I'm willing to live with that hopefully > might make it easer. > I'm trying to do Guitar to MIDI, and so far the following have occurred to > me: > 1) I don't care if its real time, though it would be nice of course. > 2) I'm not trying to process completely arbitrary mixed instrument > soundscapes - one instrument, with a straightforward(?) harmonic structure. > 3) There are a maximum of N note polyphony, where N is almost always 6. > 4) The up to 6 notes must be composed of either open strings, or within 4 > frets of any other fretted note. (Not completely got my head around how this > helps, but I think it could be useful) > 5) The range is approximately 4 octaves > 6) We can slap any filtering on there that helps. > > And of course discrimination of octaves vs harmonics is a tough problem. > > I've taken a look at TonalAnalysis and the MelSpectrum widgets, and I don't > fully grasp whats coming out of either. > The TonalAnalyis PitchProfile is a vector of floats, but what do they mean? > Where does the line form for slaying this particular dragon? > > Also - I built and installed CLAM/processing, can see > libclam_processing.so, but the NetworkEditor has no ConstantQTransform > widget available. > > _______________________________________________ > clam-devel mailing list > clam-devel@lists.clam-project.org > http://lists.clam-project.org/listinfo.cgi/clam-devel-clam-project.org > >
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