Vol. 46 No. 4 (2021)

Published: 2021-12-10

Research Papers

On the Audibility of Electric Guitar Tonewood

Jan JASINSKI, Stanisław OLEŚ, Daniel TOKARCZYK, Marek PLUTA

571–578
Active Cancellation of the Tonal Component of Sound Using a Discrete Fourier Transform of Variable Length

Michał ŁUCZYNSKI, Andrzej DOBRUCKI, Stefan BRACHMAŃSKI

579–589
Numerical Model of Surface and Quasi-Spherical Sea Noise and Its Application to Analysis of DIFAR Systems

Mariusz RUDNICKI, Roman SALAMON, Jacek MARSZAL

591–604
The Variation of Precipitated Phase Investigated with the Usage of Nonlinear Ultrasonic Technique

Jun YOU, Yunxin WU, Hai GONG

605–610
Performance Analysis of MVDR Beamformer Applied on an End-fire Microphone Array Composed of Unidirectional Microphones

Zoran ŠARIĆ, Miško SUBOTIĆ, Ružica BILIBAJKIĆ, Marko BARJAKTAROVIĆ, Nebojša ZDRAVKOVIĆ

611–621
Reflection and Transmission of Plane Wave at an Interface Between Two Rotating Micropolar Piezoelectric Solid Half-Spaces

Baljeet SINGH, Asha SANGWAN, Jagdish SINGH

623–635
Influence of Geometric Structure, Convection, and Eddy on Sound Propagation in Acoustic Metamaterials with Turbulent Flow

Myong Chol PAK, Kwang-Il KIM, Hak Chol PAK, Kwon Ryong HONG

637–647
Numerical Methodology to Obtain the Sound Absorption of Materials by Inserting the Acoustic Impedance

Cláudia Ohana BORGES MENDES, Maria Alzira DE ARAÚJO NUNES

649–656
Identification of Physical Parameters of a Porous Material Located in a Duct by Inverse Methods

Marwa KANI, Amine MAKNI, Mohamed TAKTAK, Mabrouk CHAABANE, Mohamed HADDAR

657–665
Experimental Determination of a Reflective Muffler Scattering Matrix for Single-Mode Excitation

Łukasz GORAZD

667–675
Work Efficiency Prediction of Persons Working in Traffic Noise Environment Using Adaptive Neuro Fuzzy Inference System (ANFIS) Models

Manoj Mansing YADAV, Bhaven TANDEL

677–683

Technical Notes

Optimal Design for Multi-Diffuser Mufflers Using the Simulated Annealing Method

Min-Chie CHIU, Ho-Chih CHENG

685–696

Chronicle

67th Open Seminar on Acoustics September 14–17, 2021

Chronicle OSA 2019

697–711

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Vol. 46 No. 4 (2021)

Research Papers

On the Audibility of Electric Guitar Tonewood

Active Cancellation of the Tonal Component of Sound Using a Discrete Fourier Transform of Variable Length

Numerical Model of Surface and Quasi-Spherical Sea Noise and Its Application to Analysis of DIFAR Systems

The Variation of Precipitated Phase Investigated with the Usage of Nonlinear Ultrasonic Technique

Performance Analysis of MVDR Beamformer Applied on an End-fire Microphone Array Composed of Unidirectional Microphones

Reflection and Transmission of Plane Wave at an Interface Between Two Rotating Micropolar Piezoelectric Solid Half-Spaces

Influence of Geometric Structure, Convection, and Eddy on Sound Propagation in Acoustic Metamaterials with Turbulent Flow

Numerical Methodology to Obtain the Sound Absorption of Materials by Inserting the Acoustic Impedance

Identification of Physical Parameters of a Porous Material Located in a Duct by Inverse Methods

Experimental Determination of a Reflective Muffler Scattering Matrix for Single-Mode Excitation

Work Efficiency Prediction of Persons Working in Traffic Noise Environment Using Adaptive Neuro Fuzzy Inference System (ANFIS) Models

Technical Notes

Optimal Design for Multi-Diffuser Mufflers Using the Simulated Annealing Method

Chronicle

67th Open Seminar on Acoustics September 14–17, 2021

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