Vol. 38 No. 2 (2013)

• Cover
• Table of Contents

  155
• Masthead

  156
• Preface

  157

Research Papers

• Global Index of the Acoustic Quality of Classrooms

  Jan RADOSZ

  159–168
• Ultrasonic Noise Sources in a Work Environment

  Bożena SMAGOWSKA

  169–176
• 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
• Active Noise Reduction Algorithm Based on NOTCH Filter and Genetic Algorithm

  Paweł GÓRSKI, Leszek MORZYŃSKI

  185–190
• Method of Testing of Sound Absorption Properties of Materials Intended for Ultrasonic Noise Protection

  Dariusz PLEBAN

  191–195
• Hammerstein Nonlinear Active Noise Control with the Filtered-Error LMS Algorithm

  Krzysztof MAZUR, Marek PAWEŁCZYK

  197–203
• Urban Noise Annoyance Between 2001 and 2013 – Study in a Romanian City

  Diana Ioana POPESCU, Iuliana Fabiola MOHOLEA, Radu Mircea MORARIU-GLIGOR

  205–210
• Experimental Acoustic Flow Analysis Inside a Section of an Acoustic Waveguide

  Stefan WEYNA, Witold MICKIEWICZ, Michał PYŁA, Michał JABŁOŃSKI

  211–216
• The Study of Behavior of Vibrating Systems Controllable by Devices with Rheological Fluid

  Marek SZARY, Peter WEBER

  217–222
• Noise-Induced Hearing Loss in Professional Orchestral Musicians

  Małgorzata PAWLACZYK-ŁUSZCZYNSKA, Małgorzata ZAMOJSKA, Adam DUDAREWICZ, Kamil ZABOROWSKI

  223–234
• Creating Dynamic Maps of Noise Threat Using PL-Grid Infrastructure

  Maciej SZCZODRAK, Józef KOTUS, Bożena KOSTEK, Andrzej CZYŻEWSKI

  235–242
• Assessment of Ultrasonic Noise Hazard in Workplaces Environment

  Antoni ŚLIWIŃSKI

  243–252
• A Perception-Based Method for the Noise Control of Construction Machines

  Eleonora CARLETTI

  253–258
• Noise Exposure of School Teachers – Exposure Levels and Health Effects

  Marija HADZI-NIKOLOVA, Dejan MIRAKOVSKI, Milka ZDRAVKOVSKA, Bistra ANGELOVSKA, Nikolinka DONEVA

  259–264
• Low Frequency Noise and Its Assessment and Evaluation

  Stanislav ZIARAN

  265–270

Technical Notes

• The “NOMAD” Project – A Survey of Instructions Supplied with Machinery with Respect to Noise

  Jacques CHATILLON, Marian SZYSZKO

  271–275

Chronicle

• XVI International Conference Noise Control 2013

  Archives of Acoustics ARCHIVES OF ACOUSTICS

  277–290
• 15th International Symposium on Sound Engineering and Tonmeistering ISSET 2013

  Archives of Acoustics ARCHIVES OF ACOUSTICS

  291–294