Exploiting Conjugate Symmetry of the Short-Time Fourier Spectrum for Speech Enhancement

Abstract

Typical speech enhancement algorithms operate on the short-time magnitude spectrum, while keeping the short-time phase spectrum unchanged for synthesis. We propose a novel approach where the noisy magnitude spectrum is recombined with a changed phase spectrum to produce a modified complex spectrum. During synthesis, the low energy components of the modified… (More)
DOI: 10.1109/LSP.2008.923579

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