Scott Douglas Department of Electrical Enginering, Southern Methodist University, Dallas, Texas 75275 USA douglas@engr.smu.edu Two algorithms were tested: [1] Gupta, M. and Douglas, S.C.: Scaled Natural Gradient Algorithms for Instantaneous and Convolutive Blind Source Separation. In: Proc. IEEE International Conference on Acoustics, Speech, and Signal Processing, Honolulu, HI, vol. 2, pp. 637-640. IEEE Press (2007). [2] Douglas, S.C., Gupta, M., Sawada, H. and Makino, S.: Spatio-Temporal FastICA Algorithms for the Blind Separation of Convolutive Mixtures. IEEE Trans. Audio, Speech, and Language Processing 15[5], 1511-1520 (2007). Full results are in a paper submitted to ICA2009.