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We address a problem of separating drum sources from monaural mixtures of polyphonic music containing various pitched instruments as well as drums. We consider a spectrogram of music, described by a matrix where each row is associated with intensities of a frequency over time. We employ a joint decomposition to several spectrogram matrices that include two or more column-blocks of the mixture spectrograms...
An unsupervised method is proposed aiming at extracting rhythmic sources from commercial polyphonic music whose number of channels is limited to one. Commercial music signals are not usually provided with more than two channels while they often contain multiple instruments including singing voice. Therefore, instead of using conventional ways, such as modeling mixing environments or statistical characteristics,...
We address a problem of separating drums from polyphonic music containing various pitched instruments as well as drums. Nonnegative matrix factorization (NMF) was successfully applied to spectrograms of music to learn basis vectors, followed by support vector machine (SVM) to classify basis vectors into ones associated with drums (rhythmic source) only and pitched instruments (harmonic sources). Basis...
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