NF-FastMNMF
A. A. Nugraha, K. Sekiguchi, M. Fontaine, Y. Bando, and K. Yoshii, "Flow-Based Fast Multichannel Nonnegative Matrix Factorization for Blind Source Separation," in Proc. IEEE Int. Conf. Acoust., Speech, Signal Process., Singapore, Singapore, 2022, pp. 501-505.