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Journal articles on the topic 'Airborne sound insulation'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Bader Eddin, Mohamad, Sylvain Menard, Delphine Bard, Jean-Luc Kouyoumji, and Nikolas-Georgios Vardaxis. "A Sound Insulation Prediction Model for Floor Structures in Wooden Buildings Using Neural Networks Approach." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 2 (2021): 4166–76. http://dx.doi.org/10.3397/in-2021-2619.

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Recently, machine learning and its applications have gained a large attraction in different fields. Accurate predictions in building acoustics is vital especially in the design stage. This paper presents a sound insulation prediction model based on Artificial Neural Networks (ANNs) to estimate acoustic performance for airborne and impact sound insulation of floor structures. At an initial stage, the prediction model was developed and tested for a small amount of data, specifically 67 measurement curves in one third octave bands. The results indicate that the model can predict the weighted airb

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2

Bader Eddin, Mohamad, Sylvain Ménard, Delphine Bard, Jean-Luc Kouyoumji, and Nikolaos-Georgios Vardaxis. "Sound insulation of lightweight wooden floor structures: ANN model and sensitivity analysis." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 265, no. 4 (2023): 3094–108. http://dx.doi.org/10.3397/in_2022_0436.

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The artificial neural networks (ANN) approach is applied to estimate the acoustic performance for airborne and impact sound insulation curves of different lightweight wooden floors. The prediction model is developed based on 252 standardized laboratory measurement curves in one-third octave bands (50 - 5000 Hz). Physical and geometric characteristics of each floor structure (materials, thickness, density, dimensions, mass, and more) are utilized as network parameters. The predictive capability is satisfactory, and the model can estimate airborne sound better than impact sound cases especially

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3

Hopkins, C. "The Effect of Foundation Details and Soil Types on the Airborne Sound Insulation of Masonry Cavity Walls." Building Acoustics 15, no. 1 (2008): 1–20. http://dx.doi.org/10.1260/135101008784050205.

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Two important variables that affect the airborne sound insulation of cavity masonry separating walls in the field are the foundation detail and the soil type upon which the foundations are built. Vibration transmission was measured between cavity wall leaves on three different types of foundation: concrete deep trench fill, a strip footing and a strip footing with concrete infill. The results indicated that where a strip footing is used, higher sound insulation can be achieved without the concrete infill. Measurements of the dynamic properties of soils indicated significant differences between

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4

Jung, Jae-Deok, Suk-Yoon Hong, Jee-Hun Song, and Hyun-Wung Kwon. "Predictions of airborne noise between unit cabins by developing a cavity transfer matrix." Noise Control Engineering Journal 69, no. 3 (2021): 229–42. http://dx.doi.org/10.3397/1/376923.

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The unit cabin has been used to construct internal ship space for improved efficiency and to reduce budgetary costs in shipbuilding. Because the cavity is placed between unit cabins, the noise of one room is transmitted through the sound insulating panel, the cavity, and the opposite sound-insulating panel. In this study, by developing a transfer matrix of the cavity between structures, airborne noise between unit cabins was predicted. A sandwich panel, which is usually used in ships, was employed to construct a double panel, and the sound insulation performance was confirmed by changing the t

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5

Yeon, Jun Oh, Kyoung Woo Kim, Kwan Seop Yang, and Myung Jun Kim. "Analysis of the Airborne Sound Insulation Performance of Floor Structures Based on the Intensity Method." Applied Mechanics and Materials 752-753 (April 2015): 796–99. http://dx.doi.org/10.4028/www.scientific.net/amm.752-753.796.

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Apartment buildings are constructed using box frame structures that integrate slabs and wall frames, and vibrations can easily travel through these integrated box frame structures. On the other hand, such a framed structure generates fewer gaps between structural elements, assuring a superior insulation performance of airborne sound compared to wooden houses. Vertically installed equipment running through different floor levels can serve as a transmission route for airborne sound of specific frequency bands. In this study, we sought to develop technical methods to improve the inter-floor airbo

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6

Ljunggren, Sten. "Airborne sound insulation of thin walls." Journal of the Acoustical Society of America 89, no. 5 (1991): 2324–37. http://dx.doi.org/10.1121/1.400971.

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7

Ljunggren, Sten. "Airborne sound insulation of thick walls." Journal of the Acoustical Society of America 89, no. 5 (1991): 2338–45. http://dx.doi.org/10.1121/1.400972.

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8

Ivanova, Yonka, Todor Partalin, Luben Lakov, and Bojidar Jivov. "Airborne sound insulation of new composite wall structures." MATEC Web of Conferences 145 (2018): 05013. http://dx.doi.org/10.1051/matecconf/201814505013.

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Protection against noise is one of the essential requirements of the European Construction Product directive. In buildings, airborne sound insulation is used to define the acoustical quality between rooms. In order to develop wall structures with optimal sound insulation, an understanding of the physical origins of sound transmission is necessary. To develop a kind of knowledge that is applicable to the improvement of real walls and room barriers is the motive behind this study. The purpose of the work is to study the sound insulation of new composite wall structure.

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9

Obadiah, Jason. "FIELD MEASUREMENT OF AIRBORNE SOUND INSULATION BETWEEN ROOMS." Ultimart: Jurnal Komunikasi Visual 12, no. 1 (2020): 24–33. http://dx.doi.org/10.31937/ultimart.v12i1.1397.

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   Airborne sound can be a nuisance and a constant expose to the sound can in- troduced health problems to the people in the area especially areas where quiet environ- ment is a necessity. The objective of this measurement is to demonstrate the field mea- surement of the airborne sound insulation properties of interior walls. The measurement was done for determining the sound insulation properties of a partition between two rooms. This measurement will also determine the parameters and source of the prob- lems which are contributing to the airborne sound from the adjacent roo

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10

Fuchs, Andreas, Reinhard Wehr, and Marco Conter. "Empirical study on the correlation between measurement methods under diffuse and direct sound field conditions for determining sound absorption and airborne sound insulation properties of noise barriers." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 3 (2021): 3350–61. http://dx.doi.org/10.3397/in-2021-2383.

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In the frame of the SOPRANOISE project (funded by CEDR in the Transnational Road Research Programme 2018) the database of the European noise barrier market developed during the QUIESST project was updated with newly acquired data. This database gives the opportunity for an empirical study on the correlation between the different measurement methods for the acoustic properties of noise barriers (according to the EN 1793 series) to further investigate the interrelationships between these methods by using single-number ratings and third-octave band data. First a correlation of the measurement met

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11

Teslík, Jiří, Radek Fabian, and Barbora Hrubá. "Determination of the Airborne Sound Insulation of a Straw Bale Partition Wall." Civil and Environmental Engineering 13, no. 1 (2017): 20–29. http://dx.doi.org/10.1515/cee-2017-0003.

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AbstractThis paper describes the results of a scientific project focused on determining of the Airborne Sound Insulation of a peripheral non-load bearing wall made of straw bales expressed by Weighted Sound Reduction Index. Weighted Sound Reduction Index was determined by measuring in the certified acoustic laboratory at the Faculty of Mechanical Engineering at Brno University of Technology. The measured structure of the straw wall was modified in combinations with various materials, so the results include a wide range of possible compositions of the wall. The key modification was application

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12

Zamora Mestre, Joan Lluis, and Andrea Niampira. "Lightweight ventilated façade: Acoustic performance in laboratory conditions, analysing the impact of controlled ventilation variations on airborne sound insulation." Building Acoustics 27, no. 4 (2020): 367–79. http://dx.doi.org/10.1177/1351010x20916719.

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The use of double-sheet enclosures with an intermediate non-ventilated air cavity guarantees a higher airborne sound insulation. The insulation advantages depend on air tightness and the placement of sound absorbing material in the air cavity. The lightweight ventilated façade is a system constructed by the addition of an external light cladding on a heavy single wall to establish an intermediate air cavity. This air cavity can be ventilated under controlled cooling effects, because of Sun’s radiation, and to reduce the risk of dampness caused by rainwater. Owing to this ventilation, acoustic

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Escuder Silla, E., J. Alba Fernández, and J. Ramis Soriano. "Aislamiento acústico a ruido aéreo en acristalamientos de vidrio." Boletín de la Sociedad Española de Cerámica y Vidrio 46, no. 4 (2007): 197–204. http://dx.doi.org/10.3989/cyv.2007.v46.i4.237.

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14

Hermes, M. "Airborne sound insulation of single-leaf partitions under hygric load." Journal of Physics: Conference Series 2069, no. 1 (2021): 012161. http://dx.doi.org/10.1088/1742-6596/2069/1/012161.

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Abstract In buildings of all types the use of single-leaf partitions are recommended, not least for reasons of cost efficiency and possible resource optimisation. In addition to the familiar building physics topics they play also a particularly important role in noise protection. Numerous factors influence the acoustic properties of single-leaf, plate-shaped and dry partitions. These include the mass, the bending stiffness, the position of the critical frequency and the total loss factor of the partition as well as the stimulating frequency of the airborne sound, the sound incidence angle or t

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15

Nurzyński, Jacek, and Łukasz Nowotny. "Acoustic Performance of Floors Made of Composite Panels." Materials 16, no. 5 (2023): 2128. http://dx.doi.org/10.3390/ma16052128.

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Airborne and impact sound insulation of composite panels arranged in different configurations were investigated in this study. The use of Fiber Reinforced Polymers (FRPs) in the building industry is growing; however, poor acoustic performance is a critical issue for their general employment in residential buildings. The study aimed to investigate possible methods of improvement. The principal research question involved the development of a composite floor satisfying acoustic expectations in dwellings. The study was based on the results of laboratory measurements. The airborne sound insulation

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16

YUE, Wenxuan, Ziyang WANG, Yuhao ZHOU, Bo WANG, and Hequn MIN. "Sound transmission loss of constrained layer damping composites featuring elastic plates embedded with acoustic black hole." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 270, no. 10 (2024): 1967–76. http://dx.doi.org/10.3397/in_2024_3110.

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This paper preliminarily investigates the influence of an elastic layer with an acoustic black hole (ABH) on the airborne sound insulation of a constrained layer damping (CLD) composite plate. ABHs represent a continuous impedance reduction in a local area of the structure, achieved by reducing material thickness. They efficiently dampen structure-borne sound in plate-like structures, resulting in excellent airborne sound attenuation performance. In the CLD composite structure, a damping layer is inserted between the elastic layers. This configuration achieves noise reduction and provides exce

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17

Bader Eddin, Mohamad, Sylvain Ménard, Delphine Bard Hagberg, Jean-Luc Kouyoumji, and Nikolaos-Georgios Vardaxis. "Prediction of Sound Insulation Using Artificial Neural Networks—Part I: Lightweight Wooden Floor Structures." Acoustics 4, no. 1 (2022): 203–26. http://dx.doi.org/10.3390/acoustics4010013.

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The artificial neural networks approach is applied to estimate the acoustic performance for airborne and impact sound insulation curves of different lightweight wooden floors. The prediction model is developed based on 252 standardized laboratory measurement curves in one-third octave bands (50–5000 Hz). Physical and geometric characteristics of each floor structure (materials, thickness, density, dimensions, mass and more) are utilized as network parameters. The predictive capability is satisfactory, and the model can estimate airborne sound better than impact sound cases especially in the mi

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18

SCROSATI, Chiara, Alessandro SCHIAVI, Vincenzo PETTONI POSSENTI, and Luca BARBARESI. "ETICS measurements and prediction - Verification and validation of a predictive model for the improvement of airborne sound insulation of thick external linings." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 270, no. 2 (2024): 9305–16. http://dx.doi.org/10.3397/in_2024_4229.

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The increasing demand of the reduction of carbon emissions and the consumption of energy resources due to the construction sector leads to the concept of Zero-Energy buildings. It is therefore crucial ensuring technical and engineering compatibility between future advancements in energy efficiency and sound insulation. The sound insulation requirements for residential buildings are mandatory in Italian Regulations, tested on-site after construction completion. A noteworthy challenge is the potential synergy between specifications for energy efficiency and the sound insulation properties in bui

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19

Zakharov, A. V., and I. P. Saltykov. "Airborne noise calculation for single-layer partitions with the concentrated parameters method." Journal of Physics: Conference Series 2131, no. 2 (2021): 022075. http://dx.doi.org/10.1088/1742-6596/2131/2/022075.

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Abstract The article considers an approach to the calculation of sound insulation for building partitions with the method of concentrated parameters at the standard frequency range, which is specified in regulatory documents. The concepts of “reduced” and “concentrated” masses are introduced for objects that are sound conductors. It is noted that the physical model of sound insulation in the three conditionally allocated frequency ranges of the standard spectrum has differences. The calculated equations of sound insulation for three frequency ranges are given. Systems of equations for obtainin

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20

Neubauer, Reinhard. "Advanced Rating Method of Airborne Sound Insulation." Applied Sciences 6, no. 11 (2016): 322. http://dx.doi.org/10.3390/app6110322.

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21

Bradley, John. "Group subjective ratings of airborne sound insulation." Journal of the Acoustical Society of America 105, no. 2 (1999): 1175. http://dx.doi.org/10.1121/1.425561.

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22

Hongisto, Valtteri, David Oliva, and Jukka Keränen. "Subjective and Objective Rating of Airborne Sound Insulation – Living Sounds." Acta Acustica united with Acustica 100, no. 5 (2014): 848–63. http://dx.doi.org/10.3813/aaa.918765.

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23

Muhammad, Imran, Anne Heimes, and Michael Vorländer. "Interactive real-time auralization of airborne sound insulation in buildings." Acta Acustica 5 (2021): 19. http://dx.doi.org/10.1051/aacus/2021013.

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Sound insulation auralization can be used as valuable tool to study the perceptual aspects of sound transmission in built environments for assessment of noise effects on people. It may help to further develop guidelines for building constructions. One advanced goal of real-time sound insulation auralization is to appropriately reproduce the condition of noise effects on the human perception and cognitive performance in dynamic and interactive situations. These effects depend on the kind of noise signal (i.e. speech, music, traffic noise, etc.) and on the context. This paper introduces a sound

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24

Alba, Jesús, Jaime Ramis, Eva Escuder, and Laura Berto. "Technical Note: Airborne Sound Insulation of Hollow Brickwork." Building Acoustics 14, no. 3 (2007): 231–39. http://dx.doi.org/10.1260/135101007781998947.

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This paper reports on the uncertainty of in situ measurements of the airborne sound insulation of hollow-brick walls in different housing plans, with emphasis on the influence of expansion joints. The mean and standard deviation of multiple measurements are obtained, which show significant differences in insulation values despite the fact that the same construction was used in each case.

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25

Nowoświat, Artur, Rafał Żuchowski, Michał Marchacz, and Leszek Dulak. "Sound insulation of wooden floors." E3S Web of Conferences 49 (2018): 00077. http://dx.doi.org/10.1051/e3sconf/20184900077.

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The objective of the article is to assess acoustic insulation of a wooden floor structure between stories in a pre-war residential building. The measurements involved acoustic insulation against impact sounds and airborne sounds. The article presents the results of acoustic tests for noninsulated floors and then for floors insulated with mineral wool. First, the results of the research were analyzed in terms of single-number acoustic insulation rates. These results were compared to the standards and findings described by other researchers. Then, an analysis was carried out for the processes as

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26

Didkovskiy, V. S., V. P. Zayets, D. P. Rud, and N. O. Samiylenko. "The relationship between speech intelligibility and sound insulation." Electronics and Communications 15, no. 3 (2010): 131–34. https://doi.org/10.20535/2312-1807.2010.15.3.306488.

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27

Tămaş-Gavrea, Daniela-Roxana, Tünde-Orsolya Dénes, Raluca Iştoan, Ancuţa Elena Tiuc, Daniela Lucia Manea, and Ovidiu Vasile. "A Novel Acoustic Sandwich Panel Based on Sheep Wool." Coatings 10, no. 2 (2020): 148. http://dx.doi.org/10.3390/coatings10020148.

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The aim of this paper is to propose a novel sandwich panel, which would be suitable for sound absorption and airborne sound insulation, used as applied cladding or independent lightweight partition wall. As far as the authors are concerned, this is the first sheep wool-based sandwich panel using only natural materials. The structure was prepared using hydrated lime-based composite face sheets and a sheep wool-based core. Several parameters of the sandwich panel were determined, including sound absorption coefficient, airborne sound insulation, thermal conductivity, thermal resistance, compress

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28

BARTNIK, Wojciech, and Bartosz CHMIELEWSKI. "Effect of reverberation chamber volume on result of qualification procedure for loudspeaker and loudspeaker positions for airborne sound insulation measurements." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 270, no. 5 (2024): 6822–28. http://dx.doi.org/10.3397/in_2024_3875.

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Measurement of sound insulation from airborne sound is carried out by determining the level of sound power radiated by the test item. In laboratory practice, this translates into measuring the sound level in the transmitting and receiving chambers and measuring the reverberation time in the receiving chamber. When performing these measurements, significant fluctuations in the sound level for low frequencies can be observed, which is related to the occurrence of standing waves inside the chambers. To ensure proper level averaging, as well as repeatability and reproducibility of measurements ISO

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del Rey, Romina, Jesús Alba, Juan Rodríguez, and Laura Bertó. "Characterization of New Sustainable Acoustic Solutions in a Reduced Sized Transmission Chamber." Buildings 9, no. 3 (2019): 60. http://dx.doi.org/10.3390/buildings9030060.

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In order to assess the airborne sound insulation of a new material or building solution, access to standardized laboratories, large and expensive facilities, and a sample area of at least 10 m2 are required. At the research and development stages of new sustainable acoustic materials for construction, it is not easy to make large sample areas available. Moreover, the financial investment in acoustic testing of materials during the research stage in standardized laboratories is excessive. In this work, the assessment of the airborne sound insulation of multi-layer partitions designed with new s

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30

Cabrera, Densil, Nathan Ashmore, and Cenc Kocer. "Airborne sound insulation of vacuum insulating glazing: General observations from measurements." Building Acoustics 23, no. 3-4 (2016): 193–206. http://dx.doi.org/10.1177/1351010x16676811.

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31

Szudrowicz, Barbara, and Elżbieta Nowicka. "Factors affecting the sound insulation in the prefabricated buildings." Budownictwo i Architektura 13, no. 4 (2014): 049–56. http://dx.doi.org/10.35784/bud-arch.1692.

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The sound insulation in buildings is affected by many factors related to various sound transmission paths between rooms. Among them the following paths can be distinguished: the so called direct path dependent on the sound insulation of the partition between rooms, the structural flanking transmission paths and additional airborne paths due to sound transmission though leaks and ducts linking the rooms (e.g. ventilation ducts). The paper analyzes the influence of these factors on sound insulation in multifamily, prefabricates buildings. Laboratory and field measurement results made by ITB’s Ac

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Ling, M. K. "Measurement of Sound Insulation of Automotive Body Components Using Sound Intensity." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 206, no. 2 (1992): 137–41. http://dx.doi.org/10.1243/pime_proc_1992_206_169_02.

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A small-scale test facility is described which enables manufacturers to assess the sound insulation of noise reduction treatments. Designed to provide a cheap and quick alternative to standard test methods, the technique uses sound intensity to measure the insertion loss of noise reduction treatments when subjected to airborne noise.

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Vardaxis, Nikolaos-Georgios, Delphine Bard Hagberg, and Jessica Dahlström. "Evaluating Laboratory Measurements for Sound Insulation of Cross-Laminated Timber (CLT) Floors: Configurations in Lightweight Buildings." Applied Sciences 12, no. 15 (2022): 7642. http://dx.doi.org/10.3390/app12157642.

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Cross-laminated timber (CLT) floors with supplementary layers or floating floors comprise a common solution in new multistory timber structures. However, bare CLT components provide poor sound insulation, especially in low frequencies during structure-borne sound propagation. Thus, floor configurations in wooden buildings deploy more layers for improved acoustic behavior. Twelve contemporary CLT floors were analyzed after laboratory measurements of airborne sound reduction and impact sound transmission utilizing the following indicators: Rw, Rw, 100, Rw, 50, Ln,w, Ln,w,100, and Ln,w,50 (per IS

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34

Mickaitis, Marius, Aleksandras Jagniatinskis, and Boris Fiks. "AIRBORNE SOUND INSULATION IMPROVEMENT ON MASONRY PARTITIONS USING ADDITIONAL PLASTERBOARD LAYERS." Engineering Structures and Technologies 3, no. 1 (2011): 33–40. http://dx.doi.org/10.3846/skt.2011.04.

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For the purposes of accumulating knowledge of how to comply with requirements for new buildings of obligatory sound class C or enhanced acoustic comfort sound classes A and B (Lithuanian Building Technical regulations STR 2.01.07:2003), the article discusses improvement on airborne sound insulation of partitions between dwellings using additional plasterboard layers. The results of an empirical approach were obtained performing in situ measurements of the partitions of masonry from silicate blocks and expanded-clay concrete blocks. Theoretical calculations without the evaluation of flanking pa

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35

Miškinis, Kęstutis, Raimondas Bliudžius, and Andrius Buska. "Sound insulation of slabs in dwellings." Journal of Physics: Conference Series 2654, no. 1 (2023): 012136. http://dx.doi.org/10.1088/1742-6596/2654/1/012136.

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Abstract The well-being and sleeping quality of people in dwellings depends on appropriate sound insulation efficiency of building structures. In individual apartments, airborne sound is produced by people talking and music playing, and impact sound is produced by people walking and falling of various objects on the floor. The inter floor slab separating the individual dwellings is intended for airborne and impact noise insulation, so special attention is paid to its design and installation. Since the composition of this structure is primarily determined by the structural requirements, the imp

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Bader Eddin, Mohamad, Nikolaos-Georgios Vardaxis, Sylvain Ménard, Delphine Bard Hagberg, and Jean-Luc Kouyoumji. "Prediction of Sound Insulation Using Artificial Neural Networks—Part II: Lightweight Wooden Façade Structures." Applied Sciences 12, no. 14 (2022): 6983. http://dx.doi.org/10.3390/app12146983.

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A prediction model based on artificial neural networks is adapted to forecast the acoustic performance of airborne sound insulation of various lightweight wooden façade walls. A total of 100 insulation curves were used to develop the prediction model. The data are laboratory measurements of façade walls in one-third-octave bands (50 Hz–5 kHz). For each façade wall, geometric and physical information (material type, dimensions, thicknesses, densities, and more) are used as input parameters. The model shows a satisfactory predictive capability for airborne sound reduction. A higher accuracy is o

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Del Rey, Romina, José Enrique Crespo Amorós, Joan Escales Tur, and Jesús Alba. "Study of Acoustic Prototypes Based on Plastic Cap Waste." Buildings 14, no. 6 (2024): 1652. http://dx.doi.org/10.3390/buildings14061652.

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This paper presents the initial prototypes of solutions designed using plastic caps, seeking acoustic applications for both airborne sound insulation and the acoustic conditioning of rooms. Plastic caps are a waste product from the packaging sector and they constitute a major waste problem, given that, if they are not attached to the packaging, they get lost during the recycling cycle and end up in landfill. Finding an application for this waste that can provide acoustic improvements is a sustainable alternative. This paper shows the results of airborne sound insulation measurements obtained i

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Thaden, Rainer. "An algorithm for auralization of airborne sound insulation." Journal of the Acoustical Society of America 105, no. 2 (1999): 1259. http://dx.doi.org/10.1121/1.426026.

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Čulík, Martin, Michal Hrčka, and Anna Danihelová. "ASSESSMENT AND COMPARISON OF SOUND INSULATION OF SELECTED PARTITION CONSTRUCTIONS IN TWO WOODEN BUILDINGS." Akustika 48, no. 48 (2025): 42–50. https://doi.org/10.36336/akustika20254842.

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Acoustic comfort in an inhabited building is an important aspect from the point of view of a person’s quality of life, especially in the hotels and the buildings for the temporary accom- modation facilities. When evaluating the sound insulation of the partition walls and ceilings, measurements carried out in buildings are decisive, which can confirm the suitability of the material composition used and its correct application in the wooden building. The work deals the evaluation of the airborne and impact sound insulation of the partition constructions of a different thickness and material comp

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40

Cai, Yangsheng. "The impact of China's traffic noise spectrum on the Single-number-quantities (SNQs) evaluation of airborne sound insulation in the new era." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 265, no. 2 (2023): 5562–67. http://dx.doi.org/10.3397/in_2022_0820.

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The ISO 717-1 specified the weighted sound reduction index calculation method of airborne sound insulation, also includes two spectrum adaptation terms C and Ctr, to take into account different spectra of environmental and living noises. The reference spectrum for Ctr is A-weighted urban traffic noise, and it is meant for noise sources such as traffic noise (urban road traffic, railway traffic at low speeds, propeller driven aircraft), disco music, and factory emission noise (low and medium frequency noise emissions).It should be noted that the spectra Ctr applied in ISO 717-1 was adopted from

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Xu, Nan. "Research and Application of Building Enclosing Structure Used in Equipment Noise Control." Applied Mechanics and Materials 423-426 (September 2013): 1272–78. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.1272.

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Porous material has a function of sound absorption, dense hard material can prevent the spread of airborne sound. The building envelope which is made up of different properties of materials, with good effects on sound insulation, sound absorption and noise elimination, can be widely used in noise control engineering.

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Kosała, Krzysztof, Leszek Majkut, and Ryszard Olszewski. "Application of Statistical Energy Analysis Method for modelling sound insulation of baffles." AUTOBUSY – Technika, Eksploatacja, Systemy Transportowe 19, no. 12 (2018): 106–9. http://dx.doi.org/10.24136/atest.2018.364.

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The article presents the model of sound insulation of single homo-geneous baffles based on the Statistical Method of Energy Analysis. The determined frequency characteristics of airborne sound insulation of the baffles obtained from the calculation model with the results of experimental tests were compared. Calculations using the Statistical Method of Energy Analysis and laboratory tests were performed for plates made of plexiglass and acrylic.

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Frescura, Alessia, Pyoung Jik Lee, Jeong-Ho Jeong, and Yoshiharu Soeta. "Electroencephalogram (EEG) responses to indoor sound sources in wooden residential buildings." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 4 (2021): 1989–98. http://dx.doi.org/10.3397/in-2021-2021.

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The present study aimed to explore relationships between physiological and subjective responses to indoor sounds. Specifically, The electroencephalograms (EEG) responses to neighbour sounds in wooden dwellings were investigated. Listening tests were performed to collect EEG data in distinct acoustics scenarios. Experimental work was carried out in a laboratory with a low background noise level. A series of impact and airborne sounds were presented through loudspeakers and subwoofer, while participants sat comfortably in the simulated living room wearing the EEG headset (B-alert X24 system). Th

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Whittle, Gabriel, Daniel Wong-McSweeney, Joshua Meggitt, and Andrew Elliott. "Towards a low cost method for measuring the airborne sound insulation of partitions." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 265, no. 2 (2023): 5037–44. http://dx.doi.org/10.3397/in_2022_0728.

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BS EN ISO 10140-2 outlines a method for estimating the airborne sound insulation of a partition using adjacent rooms. In this paper, a new method is presented by which the airborne sound insulation is obtained without the need for a transmission suite. Using a stand-alone partition, a representative blocked pressure field is applied numerically to a measured frequency response function matrix characterising the partition. The incident and transmitted powers are determined from the blocked pressure and velocity field on the source and receiver sides, respectively. Results of several partitions

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Sipari, Pekka. "Sound Insulation of Multi-Storey Houses — A Summary of Finnish Impact Sound Insulation Results." Building Acoustics 7, no. 1 (2000): 15–30. http://dx.doi.org/10.1260/1351010001501471.

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Evidently a wooden house can be built so that modern requirements for both airborne and impact sound insulation are met with sufficient margins. However, low-frequency impact sounds produced by walking may be either audible to the building occupants or felt by them as non-audible vibrations. It is clear that the present rating methods and also perhaps the tapping machine are inadequate where wooden floors are concerned, because the results may be subjectively confusing. The present situation, where internationally there are several rating systems leading to different numerical results for the

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Saltykov, Ivan P. "Sound insulation design of the thin partitions on the base of concentrated parameters model." Vestnik MGSU, no. 3 (March 2020): 353–67. http://dx.doi.org/10.22227/1997-0935.2020.3.353-367.

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Introduction. The theoretical and practical approach on the base of the discrete parameter's method to the acoustic insulation of the thin partitions by Candidate of Science, Prof. Zakharov A.V. is given in this issue. The method allowed to develop a logically conclusive and consistent physical airborne sound insulation model for one-layered massive and light partitions either. This issue concentrates on providing of the engineer calculation technique of the sound insula-tion for the thin partitions and, also, on comparison of the technique's results with the computations by the current normat

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Kolářová, Zuzana, and Lubor Kalousek. "Sound Insulation Properties of the Facade Elements - The Influence of Filling Cavities of Facade Elements on the Values of Laboratory Airborne Sound Insulation." Advanced Materials Research 899 (February 2014): 509–12. http://dx.doi.org/10.4028/www.scientific.net/amr.899.509.

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The paper is focused on the issues of sound insulation properties of the facade elements which are currently applied mainly at industrial hall buildings. Requirements for the sound insulation properties of these buildings are requested not only from users themselves, but also from residents of surrounding objects, who are often disturbed by operation of the halls. In the paper are presented outcomes from laboratory measurements of the specific samples of external cladding. These measurements were performed by the mutual cooperation between the laboratory of the Brno University of Technology an

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Pultznerová, Alžbeta, Ján Šimo, and Juraj Grenčík. "Possibilities of Evaluating the Effectiveness of Noise Barriers in Slovakia." Applied Sciences 11, no. 21 (2021): 10206. http://dx.doi.org/10.3390/app112110206.

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This paper presents environmental acute problems from increasing noise levels caused by automobile and rail transport. Noise barriers are considered to be an effective element in reducing noise in densely populated urban areas. However, do these barriers have the correct height, shape, material design, and construction? In the materials and methods, the basic characteristics of noise barrier, sound absorption, and sound insulation are described. Further, measurement methods of the insertion loss of outdoor noise barriers of all types using the direct and indirect method according to standard I

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Bondan Dwisetyo, Maharani Ratna Palupi, and Fajar Budi Utomo. "UNCERTAINTY ANALYSIS OF LABORATORY MEASUREMENT OF AIRBORNE SOUND INSULATION." Spektra: Jurnal Fisika dan Aplikasinya 5, no. 2 (2020): 97–108. http://dx.doi.org/10.21009/spektra.052.02.

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The evaluation and analysis of the uncertainty of laboratory measurement of airborne sound insulation have been carried out by Research Group for Acoustics and Vibration – National Standardization Agency of Indonesia (BSN). The aims of this work are to evaluate and analyze the uncertainty measurement of airborne sound insulation by pressure method, where it is focused only for the determination of sound transmission loss (STL) as a major product of this measurement according to ASTM, and guide to the expressions of Uncertainty in Measurement (GUM) provided by JCGM. The supplied parameter of un

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Zdražilová, Naďa, Denisa Donová, and Iveta Skotnicova. "Analysis of Predictive Calculation Methods of Airborne Sound Insulation." Applied Mechanics and Materials 835 (May 2016): 573–78. http://dx.doi.org/10.4028/www.scientific.net/amm.835.573.

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Acoustic properties of building structures are currently very actual theme with regard to the development of new building and insulating materials, while the methods for estimating the airborne sound reduction index evolve mainly from the second half of the 20th century. For mutual comparison of selected prediction methods and for determination of their suitability it has been provided a calculation of weighted sound reduction index RW [dB] from the input parameters of materials identified by laboratory measurements, calculation of weighted apparent sound reduction index R ́W [dB] and these va

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