Figure 3From: Percussive/harmonic sound separation by non-negative matrix factorization with smoothness/sparseness constraintsOptimization of parameters K SP and K SM . Using β=1.5 and different dictionary sizes composed of the same number of percussive and harmonic components ((a) 50, (b) 100, (c) 150, (d) 250, and (e) 500 components) using the development database E.Back to article page