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Abstract

Currently used procedures in room acoustics measurements are not automated. Particularly in medium-sized and large areas they require a lot of time and intensive labour which directly translates into an increase in the measurement cost. Introduction of an automated system would increase efficiency of the measurements, and therefore could present both practical and scientific benefit. The paper presents initial feasibility study for designing a system that permits the measurement of selected acoustic parameters for any choice of three-dimensional grid of measurement points throughout the volume of the room. The system will utilize an autonomous probe attached to a blimp, and will be able to measure and analyze acoustic characteristics of the rooms. The article discusses the initial choices of the system elements, starting from the general idea, through the mechanical design and control procedures, the software that controls positioning and flying of the probe, up to the automation of the measurement procedure and its possible impact on the acoustic field.
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Authors and Affiliations

Bartłomiej Borkowski
Marek Pluta
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Abstract

The article presents the approach to the design process of acoustic panels based on the scientific research. This approach is based on combining the technical and the design competences to develop the innovative product value for the concept of acoustic panels. The article presents the concepts of two new acoustic panels – an absorbing and scattering panel and a panel reflecting sound waves. The first part of the article presents the starting point for the presented project – the acoustic research and the inspiration for both types of presented solutions. Next, the materials possible to use were discussed, which could reproduce the natural acoustic properties of the lava and glacier caves. The next part presents consecutive stages of the product development in a modern form, ensuring the expected acoustic properties. The last part of the article presents a fully functional solution and proposes further research and development directions.
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Authors and Affiliations

Bartłomiej Borkowski
1
Katarzyna Suder-Dębska
2
Jerzy Wiciak
1
Anna Maria Szlachta
3

  1. Department of Mechanics and Vibroacoustics, AGH – University of Science and Technology, Kraków, Poland
  2. Department of Power Systems and Environmental Protection Facilities, AGH – University of Science and Technology, Kraków, Poland
  3. Faculty of Industrial Design, Jan Matejko Academy of Fine Arts, Kraków, Poland

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