Print ISSN: 0137-5075, Online ISSN: 2300-262X

Vol 45, No 4 (2020)

Research Papers

Speech Enhancement Based on Discrete Wavelet Packet Transform and Itakura-Saito Nonnegative Matrix Factorisation PDF
Houguang LIU, Wenbo WANG, Lin XUE, Jianhua YANG, Zhihua WANG, Chunli HUA 565–572
SpeakerNet for Cross-lingual Text-Independent Speaker Verification PDF
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 PDF
Tahir Mushtaq QURESHI, Khalid Saifullah SYED, Asim ZAFAR 585–600
Noise Exposure and Job Stress – a Structural Equation Model in Textile Industries PDF
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 PDF
Bartłomiej STĘPIEŃ 613–623
Case Study of the Environmental Noise and its Perception in the City of Cluj-Napoca, Romania PDF
Diana Ioana POPESCU 625–631
Finite Element Modelling of a Flow-Acoustic Coupling in Unbounded Domains PDF
Paweł ŁOJEK, Ireneusz CZAJKA, Andrzej GOŁAŚ 633–645
Selected Aspects of Meshless Method Optimization in the Room Acoustics with Impedance Boundary Conditions PDF
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 PDF
Hülya ÖZTÜRK, Burhan TIRYAKIOGLU 655–662
Radiation Impedance for Square Piston Sources on Infinite Circular Cylindrical Baffles PDF
John L. VALACAS 663–679
Analysis of the Saw System with the PANI + Nafion Sensing Structure for Detection of Low Concentration Carbon Monoxide PDF
Tomasz HEJCZYK, Tadeusz PUSTELNY 681–686
Design and Analysis of Ultrasonic Composite Transducer with a Quarter-wave Taper Transition Horn PDF
Tao CHEN, Hongbo LI, Qihan WANG, Junpeng YE 687–697
Optimal Selection of Multicomponent Matching Layers for Piezoelectric Transducers using Genetic Algorithm PDF
Tadeusz GUDRA, Dariusz BANASIAK 699–707
Impact of Spatial Noise Correlation on Bearing Accuracy in DIFAR Systems PDF
Mariusz RUDNICKI, Jacek MARSZAL, Roman SALAMON 709–720
Marine Mammals Classification using Acoustic Binary Patterns PDF
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 PDF
Michał KUNICKI 733–746
High-Directional Sound Propagation Over the Earth’s Surface PDF
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 PDF
Yixuan WANG, LiPing YUAN, Mohammad KHISHE, Alaveh MORIDI, Fallah MOHAMMADZADE 753–764

In Memoriam

In Memoriam Professor Andrzej Orłowski (1947–2020) PDF
Andrzej NOWICKI, Andrzej STĘPNOWSKI 765–766