Guitar Chord Recognition Algorithm?

Question

Whats a good digital signal processing algorithm that is good on guitar chords? Since Fast Fourier Transform I think only is accurate on single notes played on the guitar bu

Answer 1

There is a contest between scientist where people try to analyze different parameters of music. One of section of this contest is chord recognition. This contest is public so anyone can participate in it and show the results in this sphere. The results of the 2011 year is published here.

A friend of mine has achieved good results in this sphere (and in this contest too). You can read about his approach on his webpage.