... combination of conventional ICA and bi-nary masking as well as of a simple ICA and binary mask-ing. The efficacy of the proposed method was confirmed in various separation tasks, that is, an offline ... H. Saruwatari, S. Kurita, K. Takeda, F. Itakura, T. Nishikawa,and K. Shikano, Blind source separ ation combining indepen-dent component analysis and beamforming,” EURASIP Jour-nal on Applied ... Ikeda and N. Murata, A method of ICA in time-frequencydomain,” in Proceedings of International Workshop on In- dependent Component Analysis and Blind Signal Separation(ICA ’99), pp. 365–371, Aussions,...