Research Papers
| Speech Enhancement Based on Discrete Wavelet Packet Transform and Itakura-Saito Nonnegative Matrix Factorisation | |
| Houguang LIU, Wenbo WANG, Lin XUE, Jianhua YANG, Zhihua WANG, Chunli HUA | 565–572 |
| SpeakerNet for Cross-lingual Text-Independent Speaker Verification | |
| Hafsa HABIB, Huma TAUSEEF, Muhammad Abuzar FAHIEM, Saima FARHAN, Ghousia USMAN | 573–583 |
| Non-uniform Rectilinear Grid in the Waveguide Modeling of the Vocal Tract | |
| Tahir Mushtaq QURESHI, Khalid Saifullah SYED, Asim ZAFAR | 585–600 |
| Noise Exposure and Job Stress – a Structural Equation Model in Textile Industries | |
| Milad ABBASI, Saeid YAZDANIRAD, Ahmad MEHRI, Rohollah FALLAH MADVARI, Ahad ALIZADEH, Maryam GHALJAHI, Mohsen FALAHATI | 601–611 |
| Determining the Number of Measurements and Bootstrap Samples Required to Estimate of Long-Term Noise Indicators | |
| Bartłomiej STĘPIEŃ | 613–623 |
| Case Study of the Environmental Noise and its Perception in the City of Cluj-Napoca, Romania | |
| Diana Ioana POPESCU | 625–631 |
| Finite Element Modelling of a Flow-Acoustic Coupling in Unbounded Domains | |
| Paweł ŁOJEK, Ireneusz CZAJKA, Andrzej GOŁAŚ | 633–645 |
| Selected Aspects of Meshless Method Optimization in the Room Acoustics with Impedance Boundary Conditions | |
| Edyta PRĘDKA, Anna KOCAN-KRAWCZYK, Adam Jan BRAŃSKI | 647–654 |
| Radiation of Sound from a Coaxial Duct Formed by a Semi-Infinite Rigid Outer Cylinder and Infinite Inner Cylinder Having Different Linings | |
| Hülya ÖZTÜRK, Burhan TIRYAKIOGLU | 655–662 |
| Radiation Impedance for Square Piston Sources on Infinite Circular Cylindrical Baffles | |
| John L. VALACAS | 663–679 |
| Analysis of the Saw System with the PANI + Nafion Sensing Structure for Detection of Low Concentration Carbon Monoxide | |
| Tomasz HEJCZYK, Tadeusz PUSTELNY | 681–686 |
| Design and Analysis of Ultrasonic Composite Transducer with a Quarter-wave Taper Transition Horn | |
| Tao CHEN, Hongbo LI, Qihan WANG, Junpeng YE | 687–697 |
| Optimal Selection of Multicomponent Matching Layers for Piezoelectric Transducers using Genetic Algorithm | |
| Tadeusz GUDRA, Dariusz BANASIAK | 699–707 |
| Impact of Spatial Noise Correlation on Bearing Accuracy in DIFAR Systems | |
| Mariusz RUDNICKI, Jacek MARSZAL, Roman SALAMON | 709–720 |
| Marine Mammals Classification using Acoustic Binary Patterns | |
| Maheen NADIR, Syed Muhammad ADNAN, Sumair AZIZ, Muhammad Umar KHAN | 721–731 |
Technical Notes
| Analysis on Acoustic Disturbance Signals Expected During Partial Discharge Measurements in Power Transformers | |
| Michał KUNICKI | 733–746 |
| High-Directional Sound Propagation Over the Earth’s Surface | |
| Denis Sergeevich RAKOV, Aleksandr S. RAKOV, Yury A. CHURSIN, Vsevolod V. PAVLICHEV, Artyom O. IGUMNOV | 747–752 |
| Training RBF NN Using Sine-Cosine Algorithm for Sonar Target Classification | |
| Yixuan WANG, LiPing YUAN, Mohammad KHISHE, Alaveh MORIDI, Fallah MOHAMMADZADE | 753–764 |
In Memoriam
| In Memoriam Professor Andrzej Orłowski (1947–2020) | |
| Andrzej NOWICKI, Andrzej STĘPNOWSKI | 765–766 |