Cyril Joder, Felix Weninger, David Virette, Björn Schuller. A comparative study on sparsity penalties for NMF-based speech separation: Beyond LP-norms. In IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2013, Vancouver, BC, Canada, May 26-31, 2013. pages 858-862, IEEE, 2013. [doi]