Harmonic/Percussive Separation Using Kernel Additive Modelling

Abstract : Recently, Kernel Additive Modelling was proposed as a new framework for performing sound source separation. Kernel Additive Modelling assumes that a source at some location can be estimated using its values at nearby locations where nearness is defined through a source-specific proximity kernel. Different proximity kernels can be used for different sources, which are then separated using an iterative kernel backfitting algorithm. These kernels can efficiently account for features such as continuity, stability in time or frequency and self-similarity. Here, we show that Kernel Additive Modelling can be used to generalise, extend and improve on a widely-used harmonic/percussive separation algorithm which attempts to separate pitched from percussive instruments.
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Derry Fitzgerald, Antoine Liutkus, Zafar Rafii, Bryan Pardo, Laurent Daudet. Harmonic/Percussive Separation Using Kernel Additive Modelling. IET Irish Signals & Systems Conference 2014, Jun 2014, Limerick, Ireland. ⟨hal-01000001v2⟩

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