Search Results for author: Pavel Záviška

Found 6 papers, 4 papers with code

Multiple Hankel matrix rank minimization for audio inpainting

no code implementations31 Mar 2023 Pavel Záviška, Pavel Rajmic, Ondřej Mokrý

Sasaki et al. (2018) presented an efficient audio declipping algorithm, based on the properties of Hankel-structure matrices constructed from time-domain signal blocks.

Audio declipping Audio inpainting

Audio Declipping with (Weighted) Analysis Social Sparsity

1 code implementation20 May 2022 Pavel Záviška, Pavel Rajmic

We develop the analysis (cosparse) variant of the popular audio declipping algorithm of Siedenburg et al. (2014).

Audio declipping

Audio declipping performance enhancement via crossfading

1 code implementation7 Apr 2021 Pavel Záviška, Pavel Rajmic, Ondřej Mokrý

Some audio declipping methods produce waveforms that do not fully respect the physical process of clipping, which is why we refer to them as inconsistent.

Audio declipping

A survey and an extensive evaluation of popular audio declipping methods

1 code implementation15 Jul 2020 Pavel Záviška, Pavel Rajmic, Alexey Ozerov, Lucas Rencker

Audio declipping algorithms often make assumptions about the underlying signal, such as sparsity or low-rankness, and about the measurement system.

Audio declipping

Sparse and Cosparse Audio Dequantization Using Convex Optimization

no code implementations5 Mar 2020 Pavel Záviška, Pavel Rajmic

The paper shows the potential of sparsity-based methods in restoring quantized signals.

Audio Dequantization

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