In the source separation process, the estimate ŝj of a target source sj is obtained from the mixture x=s1+...+sJ of several sources. The distortion is modeled as the sum of three distortion components:
eTarget is the target distortion
eInterf is the interference distortion component
eArtif is the artifact distortion component
We propose a new decomposition method to estimate eTarget, eInterf and eArtif. Here are some sound examples to illustrate the resulting decomposition and compare it to the state-of-the-art decomposition method (E. Vincent, H. Sawada, P. Bofill, S. Makino, and J.P. Rosca, First Stereo Audio Source Separation Evaluation Campaign: Data, Algorithms and Results, Int. Conf. on Independent Component Analysis and Signal Separation, 2007).