Unsupervised single-channel source separation using bayesian NMF

  title={Unsupervised single-channel source separation using bayesian NMF},
  author={Onur Dikmen and Ali Taylan Cemgil},
  journal={2009 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics},
We propose a prior structure for single-channel audio source separation using Non-Negative Matrix Factorisation. For the tonal and percussive signals, the model assigns different prior distributions to the corresponding parts of the template and excitation matrices. This partitioning enables not only more realistic modelling, but also a deterministic way to group the components into sources. This also prevents the possibility of not detecting/assigning a component and remove the need for a… CONTINUE READING
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