Simon ARBERET IRISA-INRIA Campus de Beaulieu 35042 Rennes Cedex France sarberet@irisa.fr Algorithm by S. Arberet, A. Ozerov, R. Gribonval and F. Bimbot Arberet, S., Gribonval, R., Bimbot, F.: A robust method to count and locate audio sources in a stereophonic linear instantaneous mixture. In Proc. ICA 2006, pp. 536-543 Arberet, S., Ozerov A., Gribonval, R., Bimbot, F.: Blind Spectral-GMM Estimation for Underdetermined Instantaneous Audio Source Separation, submitted to ICA'09. Average computational time: 600s*GHz