Publication detail

Flexible framework for audio reconstruction

MOKRÝ, O. RAJMIC, P. ZÁVIŠKA, P.

Original Title

Flexible framework for audio reconstruction

English Title

Flexible framework for audio reconstruction

Type

conference paper

Language

en

Original Abstract

The paper presents a unified, flexible framework for the tasks of audio inpainting, declipping, and dequantization. The concept is further extended to cover analogous degradation models in a transformed domain, e.g. quantization of the signal's time-frequency coefficients. The task of reconstructing an audio signal from degraded observations in two different domains is formulated as an inverse problem, and several algorithmic solutions are developed. The viability of the presented concept is demonstrated on an example where audio reconstruction from partial and quantized observations of both the time-domain signal and its time-frequency coefficients is carried out.

English abstract

The paper presents a unified, flexible framework for the tasks of audio inpainting, declipping, and dequantization. The concept is further extended to cover analogous degradation models in a transformed domain, e.g. quantization of the signal's time-frequency coefficients. The task of reconstructing an audio signal from degraded observations in two different domains is formulated as an inverse problem, and several algorithmic solutions are developed. The viability of the presented concept is demonstrated on an example where audio reconstruction from partial and quantized observations of both the time-domain signal and its time-frequency coefficients is carried out.

Keywords

audio restoration; inpainting; declipping; dequantization; time-frequency representation; proximal algorithms

Released

08.09.2020

Location

Vídeň

ISBN

2413-6689

Periodical

Proceedings of the International Conference on Digital Audio Effects (DAFx)

Number

23

State

AT

Pages from

117

Pages to

124

Pages count

8

Documents

BibTex


@inproceedings{BUT164796,
  author="Ondřej {Mokrý} and Pavel {Rajmic} and Pavel {Záviška}",
  title="Flexible framework for audio reconstruction",
  annote="The paper presents a unified, flexible framework for the tasks of audio inpainting, declipping, and dequantization. The concept is further extended to cover analogous degradation models in a transformed domain, e.g. quantization of the signal's time-frequency coefficients. The task of reconstructing an audio signal from degraded observations in two different domains is formulated as an inverse problem, and several algorithmic solutions are developed. The viability of the presented concept is demonstrated on an example where audio reconstruction from partial and quantized observations of both the time-domain signal and its time-frequency coefficients is carried out.",
  booktitle="Proceedings of the International Conference on Digital Audio Effects (DAFx)",
  chapter="164796",
  howpublished="online",
  number="23",
  year="2020",
  month="september",
  pages="117--124",
  type="conference paper"
}