Simon Arberet Alexey Ozerov Rémi Gribonval Frédéric Bimbot Blind Spectral-GMM Estimation for Underdetermined Instantaneous Audio Source Separation. 751-758 2009 ICA https://doi.org/10.1007/978-3-642-00599-2_94 conf/ida/2009 db/conf/ida/ida2009.html#ArberetOGB09