I finished a module in openerp 7 and I want to create a report like the picture in link below, to one of my class, how can I make it like this.




Question: How to get the 10-5 most dominant frequency in an audio signal
Answer: There are research papers on the topic of automatic polyphonic chord estimation/transcription on MIREX (http://www.music-ir.org/mirex/wiki/2014:Audio_Chord_Estimation).  Also a book and a thesis by A. Klapuri.