BibTeX
@MISC{FitzGerald_shifted2d,
author = {Derry FitzGerald and et al.},
title = {Shifted 2D Non-negative Tensor Factorisation},
year = {}
}
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Abstract
... developed as a means of separating harmonic instruments from single channel mixtures. This technique uses a model which is convolutive in both time and frequency, and so can capture instruments which have both time-varying spectra and timevarying fundamental frequencies simultaneously. However, in many cases two or more channels are available, in which case it would be advantageous to have a multi-channel version of the algorithm. To this end, a shifted 2D Non-negative Tensor Factorisation algorithm is derived, which extends Non-negative Matrix Factor 2D Deconvolution to the multi-channel case. The use of this algorithm for multi-channel sound source separation of pitched instruments is demonstrated.
Keyphrases
non-negative tensor factorisation multi-channel sound source separation many case multi-channel version single channel mixture pitched instrument non-negative tensor factorisation algorithm time-varying spectrum non-negative matrix factor harmonic instrument multi-channel case fundamental frequency
