Project detail

Restoration of lost information in digital signals

Duration: 01.01.2017 — 31.12.2019

Funding resources

Czech Science Foundation - LA granty

- part funder (2017-01-01 - not assigned)



Default language


People responsible

Mokrý Ondřej, Ing. - fellow researcher
Záviška Pavel, Ing., Ph.D. - fellow researcher
Rajmic Pavel, prof. Mgr., Ph.D. - principal person responsible


Department of Telecommunications
- (2017-07-20 - not assigned)
Faculty of Electrical Engineering and Communication
- (2017-01-01 - not assigned)


PRŮŠA, Z.; RAJMIC, P. Toward High-Quality Real-Time Signal Reconstruction from STFT Magnitude. IEEE SIGNAL PROCESSING LETTERS, 2017, vol. 24, no. 6, p. 892-896. ISSN: 1070-9908.

MOKRÝ, O.; RAJMIC, P. Audio Inpainting: Revisited and Reweighted. IEEE/ACM TRANSACTIONS ON AUDIO, SPEECH AND LANGUAGE PROCESSING, 2020, no. 28, p. 2906-2918. ISSN: 2329-9290.

ZÁVIŠKA, P.; RAJMIC, P.; PRŮŠA, Z.; VESELÝ, V. Revisiting synthesis model in Sparse Audio Declipper. In Latent Variable Analysis and Signal Separation, 14th International Conference, LVA/ICA 2018 Proceedings. Lecture Notes in Computer Science. Cham: Springer, 2018. p. 429-445. ISBN: 978-3-319-93764-9.

ZÁVIŠKA, P.; MOKRÝ, O.; RAJMIC, P. S-SPADE Done Right: Detailed Study of the Sparse Audio Declipper Algorithms. 2018. p. 1-8.

ZÁVIŠKA, P.; RAJMIC, P.; MOKRÝ, O.; PRŮŠA, Z. A Proper version of Synthesis-based Sparse Audio Declipper. In 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). Proc. International Conference on Acoustics, Speech, and Signal Processing. Brighton, United Kingdom: IEEE, 2019. p. 591-595. ISBN: 978-1-4799-8131-1. ISSN: 1520-6149.

MOKRÝ, O.; ZÁVIŠKA, P.; RAJMIC, P.; VESELÝ, V. Introducing SPAIN (SParse Audio INpainter). In 2019 27th European Signal Processing Conference (EUSIPCO). European Signal Processing Conference, 2019. p. 666-670. ISBN: 978-9-0827-9702-2.

RAJMIC, P.; KOLDOVSKÝ, Z.; DAŇKOVÁ, M. Fast reconstruction of sparse relative impulse responses via second-order cone programming. In Proceedings of the 2017 Workshop on Applications of Signal Processing to Audio and Acoustics (WASPAA). Institute of Electrical and Electronics Engineers Inc., 2017. p. 364-368. ISBN: 978-1-5386-1631-4.

RAJMIC, P.; ZÁVIŠKA, P.; VESELÝ, V.; MOKRÝ, O. A new generalized projection and its application to acceleration of audio declipping. Axioms, 2019, vol. 8, no. 3, p. 1-20. ISSN: 2075-1680.

MOKRÝ, O.; RAJMIC, P. Reweighted l1 minimization for audio inpainting. Toulouse, France: 2019.

ZÁVIŠKA, P.; RAJMIC, P.; SCHIMMEL, J. Psychoacoustically motivated audio declipping based on weighted l1 minimization. In Proceedings of the 2019 42nd International Conference on Telecommunications and Signal Processing (TSP). Budapest, Hungary: IEEE, 2019. p. 338-342. ISBN: 978-1-7281-1864-2.

ZÁVIŠKA, P.: Generalized projector; Projector onto a box-constrained set with a Parseval frame operator. pracovna SD5.66, Technická 12, 61600 Brno. URL: (software)

ZÁVIŠKA, P.: Declip_psychoacoust; Psychoacoustically motivated audio declipper based on sparsity. pracovna SD5.66, Technická 12, 61600 Brno. URL: (software)

MOKRÝ, O.: SPAIN; Sparse Audio Inpainter. pracovna SD5.66, Technická 12, 61600 Brno. URL: (software)

ZÁVIŠKA, P.: S-SPADE DR; Synthesis-based Sparse Audio Declipper Done Right. pracovna SD5.66, Technická 12, 61600 Brno. URL: (software)

ZÁVIŠKA, P.: ASPADE vs SSPADE; Software for Sparse Restoration of Clipped Audio Signals. pracovna SD5.66, Technická 12, 61600 Brno. URL: (software)