David, Bertrand; Rigaud, Francois and Daudet, Laurent (2015) "Modeling the spectrum structure within the NMF framework. Application to inharmonic sounds," in Proceedings of the Third Vienna Talk on Music Acoustics, p. 288-288 edited by Mayer, Alexander; Chatziioannou, Vasileios; Goebl, Werner, Institute Of Music Acoustics (Wiener Klangstil), Vienna, Austria