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• Investigation of the Effect of Non-Flat Surfaces on the Performance of Perforated Acoustic Absorber

  Zahra HASHEMI, Ali FAHIM, Mohammad Reza MONAZZAM

  2023-04-21

  171–181
• Optimization of Multistep Cavity Configuration to Extend Absorption Bandwidth of Micro Perforated Panel Absorber

  Iman FALSAFI, Abdolreza OHADI

  2018-01-24

  187–195
• Utilizing Hollow-Structured Bamboo as Natural Sound Absorber

  Azma PUTRA, Fazlin Binti Abd KHAIR, Mohd Jailani Mohd NOR

  2015-08-26

  601–608
• A Multi-Layer Micro-Perforated Panel Structure Based on Curled Space for Broadband Sound Absorption at Low Frequencies

  Jiaming CHU, Xiao LIANG, Zhen YANG, Haofeng LIANG, Tao CHEN, Liang SU, Zhuo ZHOU

  2023-10-09

  529–538
• Improving Sound Absorption Property of Polyurethane Foams by Adding Tea-Leaf Fibers

  Bulent EKICI, Aykut KENTLI, Haluk KUCUK

  515–520
• Sound Absorption Behavior of Polyurethane Foam Composites with Different Ethylene Propylene Diene Monomer Particles

  Wenbo ZHU, Shuming CHEN, Yebin WANG, Tongtong ZHU, Yang JIANG

  2018-07-11

  403–411
• Method for Calculating the Sound Absorption Coefficient for a Variable Range of Incidence Angles

  Sergio Alfio YORI

  2020-02-12

  67–75
• Measurements of the Sound Absorption Coefficient of Auditorium Seats for Various Geometries of the Samples

  Jarosław RUBACHA, Adam PILCH, Marcin ZASTAWNIK

  483–488
• Estimation of Metal Foam Microstructure Parameters for Maximum Sound Absorption Coefficient in Specified Frequency Band Using Particle Swarm Optimisation

  Rohollah FALLAH MADVARI, Mohsen NIKNAM SHARAK, Mahsa JAHANDIDEH TEHRANI, Milad ABBASI

  2022-03-10

  33–42
• Low-Frequency Sound Absorption Potential of Subwavelength Absorbers Based on Coupled Micro-Slit Panels

  Yujie QIAN, Zhengyuan GAO, Jie ZHANG

  2023-12-15

  121–128
• Perfect Absorption for Modulus-Near-Zero Acoustic Metamaterial in Air or Underwater at Low-Frequency

  Fatma Nafaa GAAFER

  2022-03-10

  25–31
• Sensitivity Analysis of the Estimation of the Single-Number Sound Absorption Evaluation Index $DL_α$

  Wojciech BATKO, Paweł PAWLIK, Grażyna WSZOŁEK

  2017-11-13

  689–696
• The influence of the cross-shaped resonance ceiling on the hall acoustics

  V. STAUSKIS

  2014-01-01

  141-152
• Sound Absorption Characteristics of Pineapple Leaf/Epoxy Composite

  Damar Rastri ADHIKA, Iwan PRASETIYO, Abiyoga NOERIMAN, Nurul HIDAYAH, S. WIDAYANI

  2020-04-27

  233–240
• The sound absorption properties of a cross-shaped isolated acoustic resonator

  V. STAUSKIS

  2014-01-01

  129-140
• Numerical Compensation of Air Absorption of Sound in Scale Model Measurements

  Dejan G. ĆIRIĆ, Aleksandar PANTIĆ

  219–225
• Method of Testing of Sound Absorption Properties of Materials Intended for Ultrasonic Noise Protection

  Dariusz PLEBAN

  191–195
• Numerical Methodology to Obtain the Sound Absorption of Materials by Inserting the Acoustic Impedance

  Cláudia Ohana BORGES MENDES, Maria Alzira DE ARAÚJO NUNES

  2021-12-10

  649–656
• Sound Diffusers with Fabric Covering

  Tadeusz KAMISIŃSKI, Krzysztof BRAWATA, Adam PILCH, Jarosław RUBACHA, Marcin ZASTAWNIK

  317–322
• The influence of acoustic nonlinearity on absorption properties of Helmholtz resonators. Part II. Experiment

  M. MEISSNER

  175-190
• On Woven Fabric Sound Absorption Prediction

  Iwan PRASETIYO, Gradi DESENDRA, Melissa N. HERMANTO, Damar R. ADHIKA

  2018-10-19

  707–715
• The absorption of ultrasonic waves in the mixtures of Kneser liquids

  B.B.J. LINDE

  2014-01-01

  401-410
• Experimental Characterization of Sound Absorption for Composite Panel Made of Perforated Plate and Membrane Foam Layer

  Van-Hai TRINH, Mu HE

  2025-03-04

  17-23
• Optimized sound absorption of a rigid polyurethane foam

  M. A. Ibrahim, R. W. Melik
• Acoustic Absorption of a New Class of Alumina Foams with Various High-Porosity Levels

  Tomasz G. ZIELIŃSKI, Marek POTOCZEK, Romana E. ŚLIWA, Łukasz J. NOWAK

  2013-12-20

  495–502
• A Rough Estimation of Acoustics of the Cuboidal Room with Impedance Walls

  Anna KOCAN-KRAWCZYK, Adam BRAŃSKI

  2018-05-11

  227–233
• Study on Sound Absorption of Road Acoustic Screens Under Simulated Weathering

  Artur NOWOŚWIAT, Jerzy BOCHEN, Leszek DULAK, Rafał ŻUCHOWSKI

  2018-01-24

  323–337
• Influence of the Plaster Physical Structure on Indoor Acoustics

  Edyta PRĘDKA, Adam BRAŃSKI, Małgorzata WIERZBIŃSKA

  2021-08-24

  539–545
• Ultrasonics absorption measurements of a liquid with backed transducer

  V. N. BINDAL, T. K. SAKSENA, J. N. SOM

  53-60
• Modelling the Acoustic Properties of Baffles Made of Porous and Fibrous Materials

  Krzysztof KOSAŁA

  2024-04-12

  345–357
• Acoustic Absorption of Mortar Composites with Waste Material

  Marco Aurelio STUMPF, Fernanda FLACH, Josiane RESCHKE PIRES, Marlova PIVA KULAKOWSKI

  417–423
• A Revised Sound Energy Theory Based on a New Formula for the Reverberation Radius in Rooms with Non-Diffuse Sound Field

  Higini ARAU-PUCHADES, Umberto BERARDI

  2014-11-20

  33–40
• Acoustical properties of porous layer – undeformable halfspace system at normal incidence of harmonic wave

  M. CIESZKO

  2014-05-01

  261-276
• Resonance absorption of ultrasonic waves in a magnetic fluid

  A. SKUMIEL, M. ŁABOWSKI, A. JÓZEFCZAK

  2014-05-09

  195-210
• Ultrasonic measurements in the 1-(trans-4-hexylcyclohexyl)-4-isothiocyanatobenzene near the nematic-isotropic transition

  A. Balcerzak
• Method of Determining the Sound Absorbing Coefficient of Materials within the Frequency Range of 5 000–50 000 Hz in a Test Chamber of a Volume of about 2 m3

  Witold MIKULSKI

  177–183
• The influence of acoustic nonlinearity on absorption properties of Helmholtz resonators. Part I. Theory

  M. MEISSNER

  2014-06-30

  179-190
• Optimization of the Morphological Parameters of a Metal Foam for the Highest Sound Absorption Coefficient Using Local Search Algorithm

  Mohammad Javad JAFARI, Ali KHAVANIN, Touraj EBADZADEH, Mahmood FAZLALI, Mohsen Niknam SHARAK, Rohollah Fallah MADVARI

  2020-07-09

  487–497
• Identification of Sound Power Levels and Surface Absorption Coefficients in Multi-Source Industrial Buildings by Using a Simplified Diffusion Model

  Martín E. SEQUEIRA, Víctor H. CORTÍNEZ

  2018-01-05

  93–102
• Sound Insulation Properties of Sound-Reduction Louvers with Innovative Devulcanized Rubber

  Tomas VILNIŠKIS, Tomas JANUŠEVIČIUS

  2024-04-05

  359–368
• The Effect of Geometrical and Material Modification of Sound Diffusers on Their Acoustic Parameters

  Adam PILCH, Tadeusz KAMISIŃSKI

  955–966
• An Influence of the Wall Acoustic Impedance on the Room Acoustics. The Exact Solution

  Adam BRAŃSKI, Anna KOCAN-KRAWCZYK, Edyta PRĘDKA

  2017-10-17

  677–687
• Complexity investigation in solutions of ZnCl2 and LiCI in water using an acoustic method

  Włodzimierz BOCH, Jacek GOC

  73-86
• The effect of sound absorption by the air on noise propagation

  K. BEREZOWSKA-APOLINARSKA, J. JARZĘCKI, R. MAKAREWICZ

  241-252
• Absorption of ultrasonic waves in aqueous solutions of α-cyclodextrin with alkylpyridinium or alkyltrimethylammonium bromides

  A. BALCERZAK, R. PŁOWIEC, A. JUSZKIEWICZ

  2014-05-12

  411-428
• Multi-Objective Optimization of Acoustical Properties of PU-Bamboo-Chips Foam Composites

  Yang JIANG, Shuming CHEN, Dengfeng WANG, Jing CHEN

  2017-11-13

  707–714
• Sensitivity Analysis of Acoustic Field Parameters on a Change of Boundary Conditions in a Room

  Katarzyna SUDER-DĘBSKA, Ireneusz CZAJKA, Mateusz CZECHOWSKI

  343-350
• Absorption of ultrasonic waves in ZnCL2 solutions in methanol

  Włodzimierz BOCH

  139-147
• Prediction of the reverberation time in rectangular rooms with non-uniformly distributed sound absorption

  R. Neubauer, B. Kostek
• Complex investigations of the critical n-amylic alcohol-nitromethane mixture with acousto-optic methods

  Mikołaj ŁABOWSKI, Tomasz HORNOWSKI

  385-412
• Correction of Acoustics in Historic Opera Theatres with the Use of Schroeder Diffuser

  Tadeusz KAMISIŃSKI

  349–354
• Reverberation time of Wrocław Opera House after restoration

  Krzysztof Rudno-Rudziński, P. Dziechciński

  2014-01-01

  247-252
• K.U. INGARD, Notes on Sound Absorption Technology, Noise Control Foundation, Poughkeepsie

  Zbigniew ENGEL

  2014-01-01

  115-117
• Sound-absorbing and insulating enclosures for ultrasonic range

  Andrzej DOBRUCKI, Bronisław ŻÓŁTOGÓRSKI, Piotr PRUCHNICKI, Romuald BOLEJKO

  157-164
• A-weighted sound pressure level calculation in the dissipative atmosphere

  Krystyna BEREZOWSKA-APOLINARSKA, Rufin MAKAREWICZ

  145-160
• Acoustic relaxation near the isotropic liquid-nematic phase transition in the nematic phase in p-n-octyloxy p'cyanobiphenyl

  A. DRZYMAŁA, M. CIEŚLAK, H. HERBA, J. MICHALSKI

  2014-05-01

  43-50
• Investigations of ultrasonic velocity and absorption in aqueous solutions of [ampersand]alpha;- and [ampersand]beta;-cyclodextrin with sodium alkyl sulfates. Part 1. [ampersand]alpha;-cyclodextrin systems

  A. Balcerzak, R. Płowiec, A. Juszkiewicz
• Determination of the influence of liquid molecule structure on acoustic absorption quantity

  Bogumił LINDE, Marek KOSMOL, Antoni ŚLIWIŃSKI

  353-383
• Combined Evaluation of Room Acoustic Descriptors in Different Structural Configurations via ODEON Simulations and Artificial Neural Networks

  Eriberto Oliveira DO NASCIMENTO, Paulo Henrique Trombetta ZANNIN

  2024-09-26

  543–556
• Emission, absorption and propagation of acoustic THz-Waves in solids

  W. EISENMENGER

  141-156
• The effect of modal localization on reverberant energy decay in a case of two acoustically coupled rooms

  Mirosław Meissner

  2014-01-01

  239-245
• Ultrasonic and hypersonic investigations of structural relaxation in aqueous solutions of Hexamethylphosphortriamide

  Piotr MIECZNIK

  55-68
• Critical properties of acoustic wave absorption in the benzonitrile-isooctane system

  T. HORNOWSKI, M. ŁABOWSKI

  2014-01-01

  53-63
• The effect of rate changes of the constant external magnetic field on the coefficient of ultrasonic wave absorption in polydispersive magnetic fluid

  A. JÓZEFCZAK, A. SKUMIEL, M. ŁABOWSKI

  441-449
• Application of Cellulose and Paper-Based Products in Building Acoustics

  Aleksandra KLIMEK, Jerzy F. ŁATKA, Paweł NIERADKA, Andrzej DOBRUCKI

  2024-09-04

  369–383
• Experimental investigation of CoFe$_2$O$_4$ particle size and acoustic properties of magnetic fluid

  Bartek Zieliński, A. Skumiel, A. Józefczak

  2014-01-01

  165-170
• Ultrasonic propagation for measuring the activation energy and volume of a hole in liquids

  M.G. S. Ali, M. R. Ebeid, Esam A. Mohamed
• Air volume resonances and their influence on hall acoustics

  V. STAUSKIS, V. KUNIGELIS

  2014-01-01

  267-275
• Nonsingular Meshless Method in an Acoustic Indoor Problem

  Adam BRANSKI, Edyta PREDKA

  2017-10-18

  75–82
• Design of Sound Absorbers Based on Open-Cell Foams via Microstructure-Based Modeling

  Van-Hai TRINH, Thien-Van NGUYEN, Thi-Hai-Nhu NGUYEN, Minh-Tan NGUYEN

  2022-09-16

  501-512
• Influence of reverberation field conditions on sound power evaluation with the aid of intensity method

  J. CIEŚLIK, R. PANUSZKA

  2014-05-01

  197-207
• Hybrid Artificial Boundary Conditions for the Application of Blunt-Body Aerodynamic Noise Prediction

  Ruixian MA, Zhansheng LIU, Con J. DOOLAN, Danielle J. MOREAU, Michał CZARNECKI

  2019-01-21

  105–116
• An Inverse Method to Obtain Porosity, Fibre Diameter and Density of Fibrous Sound Absorbing Materials

  Jesus ALBA, Romina del REY, Jaime RAMIS, Jorge P. ARENAS

  561–574
• Influence of the molecular structure on acoustic absorption in the group or saturated ketones

  B. B. LINDE, A. ŚLIWIŃSKI

  2014-05-01

  507-511
• A low cost solid state pulsed system for ultrasonic velocity and absorption measurement

  P. K. AGNIHOTRI, C. S. ADGAONKAR, C. Y. BEDARE

  301-310
• Design, Manufacture and Characterization of an Acoustic Barrier Made of Multi-Phenomena Cylindrical Scatterers Arranged in a Fractal-Based Geometry

  Sergio CASTINEIRA-IBANEZ, Constanza RUBIO, Vicent ROMERO- GARCIA, Juan Vicente SANCHEZ-PEREZ, Luıs Miguel GARCIA-RAFFI

  455–462
• Ultrasonic and hypersonic investigations of vibrational relaxation in liquid thiophene

  Piotr MIECZNIK

  273-281
• The Comprehensive Research of the Road Acoustic Screen with Absorbing and Diffusing Surface

  Tadeusz Marek KAMISIŃSKI, Roman KINASZ, Agata SZELĄG, Jarosław RUBACHA, Adam PILCH, Artur FLACH, Katarzyna BARUCH

  2015-03-19

  137–144
• On ultrasonic relaxation study of preferential solvation in quasi two-component aqueous solutions of amides and zinc salts

  P. Miecznik, Z. Gołębiewski
• Detectability of small blood vessels and flat boundaries of soft tissues in the ultrasonic pulse echo method

  L. FILIPCZYŃSKI

  46-56
• Numerical Evaluation of Sound Attenuation Provided by Periodic Structures

  Mario MARTINS, Luis GODINHO, Luis PICADO-SANTOS

  2013-12-20

  503–516
• Analysis of sound absorption by a three-layer resonant and absorbing structure

  Krzysztof WERNEROWSKI

  325-331
• Nonlinearly coded signals for harmonic imaging

  Andrzej NOWICKI, Janusz WÓJCIK, Tamara KUJAWSKA

  63–74
• Analysis of non-exponential sound decay in an enclosure composed of two connected rectangular subrooms

  Mirosław Meissner

  2014-01-01

  213-220
• Correlation between some physical properties for tri-component tellurite glasses and low temperature ultrasonic relaxation

  M. A. SIDKEY, N.S. Abd El AAL, L. Abd El LATIF, A. Abd El MONEIM

  361-369
• Acoustical relaxation in heterocyclic liquids

  Bogumił LINDE

  163-170
• An ultrasonic calorimeter for propagation parameter measurement

  R. C. CHIVERS, S. REANTRAGOON

  161-172
• Ultrasonic measurements of aqueous solutions of [ampersand]beta;-cyclodextrin with alkyl pyridinium bromides

  Andrzej BALCERZAK

  627–641
• Study on Mechanism and Suppression Method of Flow-Induced Noise in High-Speed Gear Pump

  Peng ZHAN, Yan QIANG, Zhiyuan JIANG, Runxue YANG, Liejiang WEI

  2023-12-18

  49–60
• Analysis of the Room Acoustic with Impedance Boundary Conditions in the Full Range of Acoustic Frequencies

  Edyta PRĘDKA, Adam Jan BRANSKI

  2020-02-12

  85–92
• Prediction Models with Multiple Linear Regression for Improving Acoustic Performance of Textile Industry Plants

  Muammer YAMAN, Cüneyt KURTAY, Gülsu ULUKAVAK HARPUTLUGIL

  2025-01-09

  3-16
• Numerical analysis of piezoelectric photoacoustic spectra

  M. Maliński
• Ultrasonic investigations of the relaxation processes related to the presence of the group –C = 0/NH in molecules

  Zofia BARTYNOWSKA-MEUS, Adam JUSZKIEWICZ

  113-118
• Propagation of hypersonic waves in some viscous fluids

  Zygmunt KLESZCZEWSKI

  243-253
• Effect of Diffusing Elements in a Reverberation Room on the Results of Airborne Sound Insulation Laboratory Measurements

  Dominik MLECZKO, Tadeusz WSZOŁEK

  2019-11-19

  739–746
• Computing and measuring nonlinear and linear propagation by two independent methods

  L. FILIPCZYŃSKI, T. KUJAWSKA, W. SECOMSKI, R. TYMKIEWICZ, J. WÓJCIK

  2014-09-30

  269-288
• Ultrasonic investigations of aqueus solutions of a-cyclodextrin and amphiphylic substances having different "heads" and identic "tails"

  A. Balcerzak, R. Płowiec, P. Kiełczyński, A. Juszkiewicz
• Example of Structure Modeling and Analysis of Ultrasound Scattering for Trabecular Bone

  Janusz WÓJCIK, Jerzy LITNIEWSKI, Andrzej NOWICKI

  701–713
• Problem of acoustical relaxation of lutidine 3-4

  B. LINDE, E. ROSENFELD

  61-65
• Contemporary aspects of the theory and application of nonlinear acoustics

  L. Björnö
• Diffraction of light by acoustic waves in crystals

  Zygmutnt KLESZCZEWSKI, Marian WOJEWODA

  159-169
• Noise generated by a moving line source in a dissipative atmosphere

  R. MAKAREWICZ

  2014-05-01

  31-41
• The Study of the Influence of the Ceiling Structure on Acoustics in Contemporary Churches

  Anna SYGULSKA

  2019-01-21

  169–184
• Exhaust silencers with minimum power loss

  F. B. SHENODA

  137-150
• Investigations of the barrier perception mechanisms of the blind

  Czesław PUZYNA

  89-108
• Acoustic Panels Inspired by Nature

  Bartłomiej Dariusz BORKOWSKI, Katarzyna SUDER-DEBSKA, Jerzy WICIAK, Anna Maria SZLACHTA

  2021-03-19

  135–146
• Ultra- and hypersonic properties of the critical mixture n - amyl alcohol - nitromethane

  Mikołaj ŁABOWSKI, Tomasz HORNOWSKI

  305-324
• Studies of Nonlinear Sound Dynamics in Fluids Based on the Caloric Equation of State

  Anna PERELOMOVA, Paweł WOJDA

  619–633
• Prediction of Reverberant Properties of Enclosures via a Method Employing a Modal Representation of the Room Impulse Response

  Mirosław MEISSNER

  2015-07-23

  27–41
• Estimation of heat distribution in the acoustic lens of an ultrasonic microscope with the carrier frequency of 1 GHz

  L. Filipczyński
• Thermal relaxation processes in some organic liquids

  Zygmunt KLESZCZEWSKI

  43-50
• Resonance Attenuation of Ultrasonic Waves in a High Viscosity Magnetic Liquid

  Karolina CHARAZIAK, Marcin MARECKI, Tomasz HORNOWSKI, Arkadiusz JÓZEFCZAK, Andrzej SKUMIEL

  105–110
• Properties of some acousto-optical materials

  Zygmunt KLESZCZEWSKI

  175-184
• Acoustic and magnetic properities dependence of restructuring differents magnetic fluids subjected to external magnetic fluid

  P. Regulska, A. Skumiel, A. Józefczak

  2014-01-01

  153-158
• A typical Brillouin light scattering spectrum in the SrLaALO4 (SLAO) crystal

  T. Błachowicz, Z. Kleszczewski
• Reverberation times and reverberation levels

  V. M. A. PEUTZ

  411-426
• Acoustic impedance variations of Helmholtz resonators of two plates with orifices inlet neck against the distance between the plates

  M. Birnbach, A. Śliwiński, S. Zachara
• Evaluation of the Acoustic Performance of Porous Materials Lined Ducts with Geometric Discontinuities

  Dhouha TOUNSI, Wafa TAKTAK, Raja DHIEF, Mohamed TAKTAK, Mabrouk CHAABANE, Mohamed HADDAR

  2022-05-25

  223-240
• Thermodynamic parameters of an ultrasound relaxation process in 2-Nitrobutanol-1

  Adam JUSZKIEWICZ, Zofia BARTYNOWSKA-MEUS

  363-368
• Evaluation of Two Alternative Procedures for Measuring Airflow Resistance of Sound Absorbing Materials

  Romina del REY, Jesus ALBA, Jorge P. ARENAS, Jaime RAMIS

  2013-12-20

  547–554
• Modelling of Green function in a rectangular room based upon the geometrical-filtration model

  R. Marczuk, L. Majkut

  213-230
• Uncertainty of industrial noise measurement at distant locations from the source

  Tadeusz Wszołek

  2014-01-01

  279-290
• Aircraft noise propagation - the simplest case

  R. Makarewicz, R. Gołębiewski
• Calculation of the sound-absorbing panels based on the principle of electroacoustic analogies and considering the rayleigh impedance

  M. LEŚNIAK, A. DRZYMAŁA, S. KLIMCZYK, R. WYRZYKOWSKI

  261-272