The problem of interpolation of gaps in audio signals is important for the restoration of degraded recordings. Following the parametric approach over a sinusoidal model recently suggested in JAES by Lagrange et al., this paper proposes an extension to this interpolation algorithm by considering the interpolation of a noisy component in a "sinusoidal+noise" signal model. Additionally, a new interpolator for sinusoidal components is presented and evaluated. The new interpolation algorithm is suitable for a wider range of audio recordings than just the interpolation of a sinusoidal signal component.

Authors: Lukin, Alexey; Todd, Jeremy
Affiliations: Moscow State University; iZotope, Inc.(See document for exact affiliation information.)
AES Convention: 125 (October 2008) Paper Number: 7512
Publication Date: October 1, 2008
Subject: Analysis and Synthesis of Sound

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