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Article overview
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Investigating the Potential of Pseudo Quadrature Mirror Filter-Banks in Music Source Separation Tasks | Stylianos Ioannis Mimilakis
; Gerald Schuller
; | Date: |
15 Jun 2017 | Abstract: | Estimating audio and musical signals from single channel mixtures often, if
not always, involves a transformation of the mixture signal to the
time-frequency (T-F) domain in which a masking operation takes place. Masking
is realized as an element-wise multiplication of the mixture signal’s T-F
representation with a ratio of computed sources’ spectrogram. Studies have
shown that the performance of the overall source estimation scheme is subject
to the sparsity and disjointness properties of a given T-F representation. In
this work we investigate the potential of an optimized pseudo quadrature mirror
filter-bank (PQMF), as a T-F representation for music source separation tasks.
Experimental results, suggest that the PQMF maintains the aforementioned
desirable properties and can be regarded as an alternative for representing
mixtures of musical signals. | Source: | arXiv, 1706.4924 | Services: | Forum | Review | PDF | Favorites |
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