Konrad Kowalczyk

Publication Activity (10 Years)

Years Active: 2007-2024
Publications (10 Years): 43

Top Topics

Maximum A Posteriori

Speech Recognition

Top Venues

Publications

Szymon Wozniak, Konrad Kowalczyk
Reverberation-Robust Self-Calibration and Synchronization of Distributed Microphone Arrays by Mitigating Heteroscedasticity and Outlier Occurrence in TDoA Measurements. Sensors 24 (1) (2024)
Mateusz Guzik, Konrad Kowalczyk
On Ambisonic Source Separation With Spatially Informed Non-Negative Tensor Factorization. IEEE ACM Trans. Audio Speech Lang. Process. 32 (2024)
Mieszko Fras, Konrad Kowalczyk
Reverberant Source Separation Using NTF With Delayed Subsources and Spatial Priors. IEEE ACM Trans. Audio Speech Lang. Process. 32 (2024)
Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk
Joint Blind Source Separation and Dereverberation for Automatic Speech Recognition using Delayed-Subsource MNMF with Localization Prior. INTERSPEECH (2023)
Julitta Bartolewska, Stanislaw Kacprzak, Konrad Kowalczyk
Causal Signal-Based DCCRN with Overlapped-Frame Prediction for Online Speech Enhancement. INTERSPEECH (2023)
Julitta Bartolewska, Stanislaw Kacprzak, Konrad Kowalczyk
Refining DNN-based Mask Estimation using CGMM-based EM Algorithm for Multi-channel Noise Reduction. CoRR (2023)
Julitta Bartolewska, Stanislaw Kacprzak, Konrad Kowalczyk
Causal Signal-Based DCCRN with Overlapped-Frame Prediction for Online Speech Enhancement. CoRR (2023)
Mateusz Guzik, Konrad Kowalczyk
Convolutive NTF for Ambisonic Source Separation under Reverberant Conditions. ICASSP (2023)
Magdalena Rybicka, Jesús Villalba, Najim Dehak, Konrad Kowalczyk
End-to-End Neural Speaker Diarization with an Iterative Refinement of Non-Autoregressive Attention-based Attractors. INTERSPEECH (2022)
Mieszko Fras, Konrad Kowalczyk
Convolutional Weighted Parametric Multichannel Wiener Filter for Reverberant Source Separation. IEEE Signal Process. Lett. 29 (2022)
Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk
Convolutional Weighted Minimum Mean Square Error Filter for Joint Source Separation and Dereverberation. ICASSP (2022)
Mateusz Guzik, Konrad Kowalczyk
Wishart Localization Prior On Spatial Covariance Matrix In Ambisonic Source Separation Using Non-Negative Tensor Factorization. ICASSP (2022)
Mateusz Guzik, Konrad Kowalczyk
NTF of Spectral and Spatial Features for Tracking and Separation of Moving Sound Sources in Spherical Harmonic Domain. INTERSPEECH (2022)
Julitta Bartolewska, Stanislaw Kacprzak, Konrad Kowalczyk
Refining DNN-based Mask Estimation using CGMM-based EM Algorithm for Multi-channel Noise Reduction. INTERSPEECH (2022)
Maximo Cobos, Jens Ahrens, Konrad Kowalczyk, Archontis Politis
An overview of machine learning and other data-based methods for spatial audio capture, processing, and reproduction. EURASIP J. Audio Speech Music. Process. 2022 (1) (2022)
Stanislaw Kacprzak, Magdalena Rybicka, Konrad Kowalczyk
Spoken Language Recognition with Cluster-Based Modeling. ICASSP (2022)
Maximo Cobos, Jens Ahrens, Konrad Kowalczyk, Archontis Politis
Data-based spatial audio processing. EURASIP J. Audio Speech Music. Process. 2022 (1) (2022)
Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk
Convolutive Weighted Multichannel Wiener Filter Front-end for Distant Automatic Speech Recognition in Reverberant Multispeaker Scenarios. INTERSPEECH (2022)
Mateusz Guzik, Mieszko Fras, Konrad Kowalczyk
Incorporation of Localization Information for Sound Source Separation in Spherical Harmonic Domain. MMSP (2021)
Marcin Witkowski, Konrad Kowalczyk
Split Bregman Approach to Linear Prediction Based Dereverberation With Enforced Speech Sparsity. IEEE Signal Process. Lett. 28 (2021)
Stanislaw Kacprzak, Konrad Kowalczyk
Adversarial Domain Adaptation with Paired Examples for Acoustic Scene Classification on Different Recording Devices. EUSIPCO (2021)
Marcin Witkowski, Magdalena Rybicka, Konrad Kowalczyk
Sparse Linear Prediction-based Dereverberation for Signal Enhancement in Distant Speaker Verification. EUSIPCO (2021)
Daniel Krause, Archontis Politis, Konrad Kowalczyk
Data Diversity for Improving DNN-based Localization of Concurrent Sound Events. EUSIPCO (2021)
Mieszko Fras, Konrad Kowalczyk
Maximum a Posteriori Estimator for Convolutive Sound Source Separation with Sub-Source Based NTF Model and the Localization Probabilistic Prior on the Mixing Matrix. ICASSP (2021)
Julitta Bartolewska, Konrad Kowalczyk
Frame-based Maximum a Posteriori Estimation of Second-Order Statistics for Multichannel Speech Enhancement in Presence of Noise. MMSP (2021)
Magdalena Rybicka, Jesús Villalba, Piotr Zelasko, Najim Dehak, Konrad Kowalczyk
Spine2Net: SpineNet with Res2Net and Time-Squeeze-and-Excitation Blocks for Speaker Recognition. Interspeech (2021)
Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk
Combating Reverberation in NTF-Based Speech Separation Using a Sub-Source Weighted Multichannel Wiener Filter and Linear Prediction. Interspeech (2021)
Stanislaw Kacprzak, Konrad Kowalczyk
Adversarial Domain Adaptation with Paired Examples for Acoustic Scene Classification on Different Recording Devices. CoRR (2021)
Magdalena Rybicka, Konrad Kowalczyk
On Parameter Adaptation in Softmax-Based Cross-Entropy Loss for Improved Convergence Speed and Accuracy in DNN-Based Speaker Recognition. INTERSPEECH (2020)
Daniel Krause, Archontis Politis, Konrad Kowalczyk
Comparison of Convolution Types in CNN-based Feature Extraction for Sound Source Localization. EUSIPCO (2020)
Julitta Bartolewska, Konrad Kowalczyk
Distributed Multiarray Noise Reduction With Online Estimation Of Masks And Spatial Filters. SAM (2020)
Daniel Krause, Archontis Politis, Konrad Kowalczyk
Feature Overview for Joint Modeling of Sound Event Detection and Localization Using a Microphone Array. EUSIPCO (2020)
Szymon Wozniak, Konrad Kowalczyk
Exploiting Rays in Blind Localization of Distributed Sensor Arrays. CoRR (2020)
Szymon Wozniak, Konrad Kowalczyk
Exploiting Rays in Blind Localization of Distributed Sensor Arrays. ICASSP (2020)
Szymon Wozniak, Konrad Kowalczyk
Passive Joint Localization and Synchronization of Distributed Microphone Arrays. IEEE Signal Process. Lett. 26 (2) (2019)
Konrad Kowalczyk
Multichannel Wiener Filter with Early Reflection Raking for Automatic Speech Recognition in Presence of Reverberation. SPA (2019)
Szymon Wozniak, Konrad Kowalczyk, Maximo Cobos
Self-Localization of Distributed Microphone Arrays Using Directional Statistics with DoA Estimation Reliability. EUSIPCO (2019)
Marcin Witkowski, Magdalena Rybicka, Konrad Kowalczyk
Speaker Recognition from Distance Using X-Vectors with Reverberation-Robust Features. SPA (2019)
Marcin Witkowski, Stanislaw Kacprzak, Piotr Zelasko, Konrad Kowalczyk, Jakub Galka
Audio Replay Attack Detection Using High-Frequency Features. INTERSPEECH (2017)
Konrad Kowalczyk, Szymon Wozniak, Tomasz Chyrowicz, Roman Rumian
Embedded system for acquisition and enhancement of audio signals. SPA (2016)
Konrad Kowalczyk, Oliver Thiergart, Maja Taseska, Giovanni Del Galdo, Ville Pulkki, Emanuël A. P. Habets
Parametric Spatial Sound Processing: A flexible and efficient solution to sound scene acquisition, modification, and reproduction. IEEE Signal Process. Mag. 32 (2) (2015)
Jonathan Sheaffer, Maarten van Walstijn, Boaz Rafaely, Konrad Kowalczyk
Binaural Reproduction of Finite Difference Simulations Using Spherical Array Processing. IEEE ACM Trans. Audio Speech Lang. Process. 23 (12) (2015)
Sebastian Braun, Konrad Kowalczyk, Emanuël A. P. Habets
Residual noise control using a parametric multichannel Wiener filter. ICASSP (2015)
Soumitro Chakrabarty, Konrad Kowalczyk, Maja Taseska, Emanuël A. P. Habets
Extended Kalman filter with probabilistic data association for multiple non-concurrent speaker localization in reverberant environments. ICASSP (2014)
Oliver Thiergart, Konrad Kowalczyk, Emanuël A. P. Habets
An acoustical zoom based on informed spatial filtering. IWAENC (2014)
Konrad Kowalczyk, Alexandra Craciun, Christian Dachmann, Emanuël A. P. Habets
Spatial perception of virtual X-Y recordings. IWAENC (2014)
Dejan Markovic, Konrad Kowalczyk, Fabio Antonacci, Christian Hofmann, Augusto Sarti, Walter Kellermann
Estimation of Acoustic Reflection Coefficients Through Pseudospectrum Matching. IEEE ACM Trans. Audio Speech Lang. Process. 22 (1) (2014)
Konrad Kowalczyk, Oliver Thiergart, Alexandra Craciun, Emanuël A. P. Habets
Sound acquisition in noisy and reverberant environments using virtual microphones. WASPAA (2013)
Konrad Kowalczyk, Emanuël A. P. Habets, Walter Kellermann, Patrick A. Naylor
Blind System Identification Using Sparse Learning for TDOA Estimation of Room Reflections. IEEE Signal Process. Lett. 20 (7) (2013)
Konrad Kowalczyk, Alexandra Craciun, Emanuël A. P. Habets
Generating virtual microphone signals in noisy environments. EUSIPCO (2013)
Dejan Markovic, Christian Hofmann, Fabio Antonacci, Konrad Kowalczyk, Augusto Sarti, Walter Kellermann
Reflection Coefficient Estimation by Pseudospectrum Matching. IWAENC (2012)
Konrad Kowalczyk, Maarten van Walstijn
Room Acoustics Simulation Using 3-D Compact Explicit FDTD Schemes. IEEE Trans. Speech Audio Process. 19 (1) (2011)
Paolo Annibale, Fabio Antonacci, Paolo Bestagini, Alessio Brutti, Antonio Canclini, Luca Cristoforetti, Emanuël Anco Peter Habets, Walter Kellermann, Konrad Kowalczyk, Anthony Lombard, Edwin Mabande, Dejan Markovic, Patrick A. Naylor, Maurizio Omologo, Rudolf Rabenstein, Augusto Sarti, Piergiorgio Svaizer, Mark R. P. Thomas
The SCENIC Project: Environment-aware Sound Sensing and Rendering. FET (2011)
Konrad Kowalczyk, Maarten van Walstijn, Damian T. Murphy
A Phase Grating Approach to Modeling Surface Diffusion in FDTD Room Acoustics Simulations. IEEE Trans. Speech Audio Process. 19 (3) (2011)
Haohai Sun, Edwin Mabande, Konrad Kowalczyk, Walter Kellermann
Joint DOA and TDOA estimation for 3D localization of reflective surfaces using eigenbeam MVDR and spherical microphone arrays. ICASSP (2011)
Edwin Mabande, Haohai Sun, Konrad Kowalczyk, Walter Kellermann
On 2D localization of reflectors using robust beamforming techniques. ICASSP (2011)
Edwin Mabande, Haohai Sun, Konrad Kowalczyk, Walter Kellermann
Comparison of subspace-based and steered beamformer-based reflection localization methods. EUSIPCO (2011)
Konrad Kowalczyk, Maarten van Walstijn
A comparison of nonstaggered compact FDTD schemes for the 3D wave equation. ICASSP (2010)
Konrad Kowalczyk, Maarten van Walstijn
Wideband and Isotropic Room Acoustics Simulation Using 2-D Interpolated FDTD Schemes. IEEE Trans. Speech Audio Process. 18 (1) (2010)
Konrad Kowalczyk, Maarten van Walstijn
On-Line Simulation of 2D Resonators with Reduced Dispersion Error using Compact Implicit Finite Difference Methods. ICASSP (1) (2007)