Figure 4From: Percussive/harmonic sound separation by non-negative matrix factorization with smoothness/sparseness constraintsOptimization of the parameter β . Using the optimal KSP=KSM=0.1 and different dictionary sizes composed of the same number of percussive and harmonic components (50, 100, 150, 250 and 500 components) in the development database E.Back to article page