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Iterative Phase Estimation for the Synthesis of Separated Sources From Single-Channel Mixtures

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2 Author(s)
Gunawan, D. ; Sch. of Electr. Eng. & Telecommun., Univ. of New South Wales, Sydney, NSW, Australia ; Sen, D.

In this letter, we propose a novel method of refining the time-domain synthesis of individual source estimates from a single channel mixture. Employing a closed-loop architecture, the algorithm refines the synthesis of each source by iteratively estimating the phase of the sources, given the estimates of the source magnitude spectra and a single channel time-domain mixture. The performance of the algorithm is evaluated for harmonic musical mixtures, and considerable improvements to the synthesized estimates are obtained relative to phase binary masking, given accurate source magnitude spectra.

Published in:

Signal Processing Letters, IEEE  (Volume:17 ,  Issue: 5 )