Vol. 38 No. 4 (2013)

• Cover

  450
• Table of Contents

  451
• Masthead

  452

Research Papers

• Speech Emotion Recognition under White Noise

  Chengwei HUANG, Guoming CHEN, Hua YU, Yongqiang BAO, Li ZHAO

  457–463
• Speech Emotion Recognition Based on Sparse Representation

  Jingjie YAN, Xiaolan WANG, Weiyi GU, LiLi MA

  465–470
• Selection of Sound Insulating Elements in Hydraulic Excavators Based Onidentification of Vibroacoustic Energy Propagation Paths

  Zbigniew DĄBROWSKI, Jacek DZIURDŹ, Radosław PAKOWSKI

  471–478
• Awareness of Noise Hazards and the Value of Soundscapes in Polish National Parks

  Sebastian BERNAT

  479–487
• Indicator of Vibroacoustic Energy Propagation as a Selection Criterion of Design Solution

  Grzegorz KLEKOT

  489–494
• 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

  495–502
• Numerical Evaluation of Sound Attenuation Provided by Periodic Structures

  Mario MARTINS, Luis GODINHO, Luis PICADO-SANTOS

  503–516
• Effect of Binaural Stimulation on Attention and EEG

  Adela CRESPO, Manuel RECUERO, Gerardo GALVEZ, Adrian BEGONA

  517–528
• Controllability-Oriented Placement of Actuators for Active Noise-Vibration Control of Rectangular Plates Using a Memetic Algorithm

  Stanisław WRONA, Marek PAWEŁCZYK

  529–536
• Active Noise Control with a Single Nonlinear Control Filter for a Vibrating Plate with Multiple Actuators

  Krzysztof MAZUR, Marek PAWEŁCZYK

  537–545

Technical Notes

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

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

  547–554
• Latest Developments in International Standardization of Whole-Body and Hand-Arm Vibration

  Martin LIEDTKE,, Jorg RISSLER, Uwe KAULBARS

  555–558
• An Objective and Subjective Study of Noise Exposure within the Frequency Range from 10 kHz to 40 kHz

  Bożena SMAGOWSKA

  559–563
• Influence of Material Used for the Regenerator on the Properties of a Thermoacoustic Heat Pump

  Bartłomiej KRUK

  565–570

In Memoriam

• Professor Zbigniew Witold ENGEL 1933 – 2013

  Jan Adamczyk, Wojciech Batko

  453–456
• Professor Marian URBAŃCZYK

  Tadeusz Pustelny

  571–572
• Professor Mikołaj ŁABOWSKI

  Tomasz Hornowski

  573–573

Calendar of Events

• Conferences

  Archives of Acoustics Archives of Acoustics

  575