Ing. Jaroslav Čmejla

Ing. Jaroslav Čmejla QR VCARD
LinePositionDepartmentOffice number
+420 48535 3145Postgradual StudentInstitute of Information Technology and ElectronicsA 02024


  1. J. Čmejla, Z. Koldovský, V. Kautský, T. Adali, Dynamic Independent Component Extraction with Blending Mixing Vector: Lower Bound on Mean Interference-to-Signal Ratio, IEEE International Conference on Audio, Speech and Signal Processing, Rhodes Island, IEEE, 5 pages, ISSN: 15206149, [Online], 2023
  2. Z. Koldovský, J. Čmejla, T. Adali, S. O‘Regan, Independent Vector Extraction Constrained on Manifold of Half-Length Filters, European Signal Processing Conference, ISBN: 978-946459360-0, 5 pages, ISSN: 22195491, [Online], 2023
  3. J. Janský, Z. Koldovský, J. Málek, T. Kounovský, J. Čmejla, Auxiliary Function-Based Algorithm for Blind Extraction of a Moving Speaker, EURASIP JOURNAL ON AUDIO SPEECH AND MUSIC PROCESSING, Springer, 16 pages, ISSN: 1687-4722, n. 1, [Online], 2022
  4. J. Málek, J. Čmejla, Z. Koldovský, Blind Extraction of Target Speech Source: Three ways of Guidance Exploiting Supervised Speaker Embeddings, International Workshop on Acoustic Signal Enhancement, IEEE, ISBN: 978-166546867-1, 5 pages, [Online], 2022
  5. J. Málek, J. Janský, Z. Koldovský, T. Kounovský, J. Čmejla, J. Žďánský, Target Speech Extraction: Independent Vector Extraction Guided by Supervised Speaker Identification, IEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING, IEEE, p. 2295-2309, 15 pages, ISSN: 2329-9290, n. 30, [Online], 2022
  6. J. Čmejla, T. Kounovský, J. Janský, J. Málek, M. Rozkovec, Z. Koldovský, Advanced semi-blind speaker extraction and tracking implemented in experimental device with revolving dense microphone array, Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH, Czech Republic, International Speech Communication Association, 1, ISBN: 978-171383690-2, p. 2152-2153, 2 pages, ISSN: 2308-457X, [Online], 2021
  7. Z. Koldovský, V. Kautský, T. Kounovský, J. Čmejla, Algorithm for Independent Vector Extraction Based on Semi-Time-Variant Mixing Model, European Signal Processing Conference, Dublin, Ireland, Eurasip, 1, ISBN: 978-908279706-0, p. 865 - 869, 4 pages, ISSN: 2219-5491, [Online], 2021
  8. N. Amor, J. Čmejla, V. Kautský, Z. Koldovský, T. Kounovský, Blind Extraction of Moving Sources via Independent Component and Vector Analysis: Examples, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, USA, IEEE, 1, p. 3725-3729, 5 pages, ISSN: 1520-6149, [Online], 2021
  9. Z. Koldovský, V. Kautský, P. Tichavský, J. Čmejla, J. Málek, Dynamic Independent Component/Vector Analysis: Time-Variant Linear Mixtures Separable by Time-Invariant Beamformers, IEEE Transactions on Signal Processing, USA, IEEE, 1, p. 2158-2173, 16 pages, ISSN: 1053-587X, [Online], 2021
  10. J. Čmejla, T. Kounovský, S. Gannot, Z. Koldovský, P. Tandeitnik, MIRaGe: Multichannel Database of Room Impulse Responses Measured on High-Resolution Cube-Shaped Grid, European Signal Processing Conference (EUSIPCO 2020), Netherlands, 1, ISBN: 9789082797053, p. 56-60, 5 pages, ISSN: 2219-5491, [Online], 2021
  11. A. Sofer, T. Kounovský, J. Čmejla, Z. Koldovský, S. Gannot, Robust Relative Transfer Function Identification on Manifolds for Speech Enhancement, European Signal Processing Conference (EUSIPCO 2020), Ireland, Eurasip, 1, ISBN: 978-908279706-0, p. 401-405, 4 pages, ISSN: 2219-5491, [Online], 2021
  12. J. Janský, J. Málek, J. Čmejla, T. Kounovský, Z. Koldovský, J. Žďánský, Adaptive blind audio source extraction supervised by dominant speaker identification using x-vectors, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, Barcelona, IEEE, 1, ISBN: 978-1-5090-6631-5, p. 676-680, 5 pages, ISSN: 1520-6149, [Online], 2020
  13. J. Čmejla, T. Kounovský, J. Málek, Z. Koldovský, Independent Vector Analysis Exploiting Pre-Learned Banks of Relative Transfer Functions for Assumed Target’s Positions, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) - The 14th International Conference on Latent Variable Analysis and Signal Separation (LVA/ICA 2018), 1, ISBN: 9783319937632, p. 270-279, 10 pages, ISSN: 0302-9743, [Online], 2018
  14. J. Čmejla, Z. Koldovský, Multi-Channel Speech Enhancement Based on Independent Vector Extraction, The 16th International Workshop on Acoustic Signal Enhancement (IWAENC 2018), 1, ISBN: 978-1-5386-8151-0, p. 525-529, 5 pages, [Online], 2018
  15. T. Kounovský, Z. Koldovský, J. Čmejla, Recursive and Partially Supervised Algorithms for Speech Enhancement on the Basis of Independent Vector Extraction, The 16th International Workshop on Acoustic Signal Enhancement (IWAENC 2018), 1, ISBN: 978-1-5386-8151-0, p. 401-405, 5 pages, [Online], 2018