| 2025 | ICASSP | Investigation of Whisper ASR Hallucinations Induced by Non-Speech Audio. | Mateusz Baranski, Jan Jasinski, Julitta Bartolewska, Stanislaw Kacprzak, Marcin Witkowski, Konrad Kowalczyk |
| 2025 | Interspeech | Clustering-based Hard Negative Sampling for Supervised Contrastive Speaker Verification. | Piotr Masztalski, Michal Romaniuk, Jakub Zak, Mateusz Matuszewski, Konrad Kowalczyk |
| 2023 | ICASSP | Convolutive NTF for Ambisonic Source Separation under Reverberant Conditions. | Mateusz Guzik, Konrad Kowalczyk |
| 2023 | Interspeech | Causal Signal-Based DCCRN with Overlapped-Frame Prediction for Online Speech Enhancement. | Julitta Bartolewska, Stanislaw Kacprzak, Konrad Kowalczyk |
| 2023 | Interspeech | Joint Blind Source Separation and Dereverberation for Automatic Speech Recognition using Delayed-Subsource MNMF with Localization Prior. | Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk |
| 2022 | ICASSP | Convolutional Weighted Minimum Mean Square Error Filter for Joint Source Separation and Dereverberation. | Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk |
| 2022 | ICASSP | Wishart Localization Prior On Spatial Covariance Matrix In Ambisonic Source Separation Using Non-Negative Tensor Factorization. | Mateusz Guzik, Konrad Kowalczyk |
| 2022 | ICASSP | Spoken Language Recognition with Cluster-Based Modeling. | Stanislaw Kacprzak, Magdalena Rybicka, Konrad Kowalczyk |
| 2022 | Interspeech | Refining DNN-based Mask Estimation using CGMM-based EM Algorithm for Multi-channel Noise Reduction. | Julitta Bartolewska, Stanislaw Kacprzak, Konrad Kowalczyk |
| 2022 | Interspeech | Convolutive Weighted Multichannel Wiener Filter Front-end for Distant Automatic Speech Recognition in Reverberant Multispeaker Scenarios. | Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk |
| 2022 | Interspeech | NTF of Spectral and Spatial Features for Tracking and Separation of Moving Sound Sources in Spherical Harmonic Domain. | Mateusz Guzik, Konrad Kowalczyk |
| 2022 | Interspeech | End-to-End Neural Speaker Diarization with an Iterative Refinement of Non-Autoregressive Attention-based Attractors. | Magdalena Rybicka, Jess Villalba, Najim Dehak, Konrad Kowalczyk |
| 2021 | ICASSP | Maximum a Posteriori Estimator for Convolutive Sound Source Separation with Sub-Source Based NTF Model and the Localization Probabilistic Prior on the Mixing Matrix. | Mieszko Fras, Konrad Kowalczyk |
| 2021 | Interspeech | Combating Reverberation in NTF-Based Speech Separation Using a Sub-Source Weighted Multichannel Wiener Filter and Linear Prediction. | Mieszko Fras, Marcin Witkowski, Konrad Kowalczyk |
| 2021 | Interspeech | Spine2Net: SpineNet with Res2Net and Time-Squeeze-and-Excitation Blocks for Speaker Recognition. | Magdalena Rybicka, Jess Villalba, Piotr Zelasko, Najim Dehak, Konrad Kowalczyk |
| 2021 | MMSP | Frame-based Maximum a Posteriori Estimation of Second-Order Statistics for Multichannel Speech Enhancement in Presence of Noise. | Julitta Bartolewska, Konrad Kowalczyk |
| 2021 | MMSP | Incorporation of Localization Information for Sound Source Separation in Spherical Harmonic Domain. | Mateusz Guzik, Mieszko Fras, Konrad Kowalczyk |
| 2020 | ICASSP | Exploiting Rays in Blind Localization of Distributed Sensor Arrays. | Szymon Wozniak, Konrad Kowalczyk |
| 2020 | Interspeech | On Parameter Adaptation in Softmax-Based Cross-Entropy Loss for Improved Convergence Speed and Accuracy in DNN-Based Speaker Recognition. | Magdalena Rybicka, Konrad Kowalczyk |
| 2017 | Interspeech | Audio Replay Attack Detection Using High-Frequency Features. | Marcin Witkowski, Stanislaw Kacprzak, Piotr Zelasko, Konrad Kowalczyk, Jakub Galka |
| 2015 | ICASSP | Residual noise control using a parametric multichannel Wiener filter. | Sebastian Braun, Konrad Kowalczyk, Emanul A. P. Habets |
| 2014 | ICASSP | Extended Kalman filter with probabilistic data association for multiple non-concurrent speaker localization in reverberant environments. | Soumitro Chakrabarty, Konrad Kowalczyk, Maja Taseska, Emanul A. P. Habets |
| 2011 | ICASSP | On 2D localization of reflectors using robust beamforming techniques. | Edwin Mabande, Haohai Sun, Konrad Kowalczyk, Walter Kellermann |
| 2011 | ICASSP | Joint DOA and TDOA estimation for 3D localization of reflective surfaces using eigenbeam MVDR and spherical microphone arrays. | Haohai Sun, Edwin Mabande, Konrad Kowalczyk, Walter Kellermann |
| 2010 | ICASSP | A comparison of nonstaggered compact FDTD schemes for the 3D wave equation. | Konrad Kowalczyk, Maarten van Walstijn |
| 2007 | ICASSP | On-Line Simulation of 2D Resonators with Reduced Dispersion Error using Compact Implicit Finite Difference Methods. | Konrad Kowalczyk, Maarten van Walstijn |