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Articoli di riviste sul tema "Sound – Transmission"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 25 luglio 2025

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1

Mansy, Hansen A., Robert A. Balk, William H. Warren, et al. "Pneumothorax effects on pulmonary acoustic transmission." Journal of Applied Physiology 119, no. 3 (2015): 250–57. http://dx.doi.org/10.1152/japplphysiol.00148.2015.

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Pneumothorax (PTX) is an abnormal accumulation of air between the lung and the chest wall. It is a relatively common and potentially life-threatening condition encountered in patients who are critically ill or have experienced trauma. Auscultatory signs of PTX include decreased breath sounds during the physical examination. The objective of this exploratory study was to investigate the changes in sound transmission in the thorax due to PTX in humans. Nineteen human subjects who underwent video-assisted thoracic surgery, during which lung collapse is a normal part of the surgery, participated i

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2

Volkomor, Vitalii. "Innovative Sound Technologies of Spatial Sound Transmission: a Retrospective of Sound Installations." Bulletin of KNUKiM. Series in Arts, no. 43 (December 22, 2020): 75–81. https://doi.org/10.31866/2410-1176.43.2020.220085.

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The purpose of the article is to determine the peculiarities of the development of the art of sound installation in the context of the concepts of acoustic space in the second half of the 20th – beginning of the 21st century. Research Methodology. The interdisciplinary methodology of critical spatial analysis and critical research in music has been applied to study the concepts of space and place, which became the basis for the practice of sound installation in the middle of the 20th century and the beginning of the 21st; systemic and evolutionary methods that have contributed to the con

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3

Fullerton, Jeffrey, and Alexander Maurer. "Horizontal impact sound transmission measurements." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 264, no. 1 (2022): 900–908. http://dx.doi.org/10.3397/nc-2022-832.

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Impact sound transmission is typically considered for the floor/ceiling assembly that separates vertically stacked spaces. This is the context that ASTM E492 laboratory testing and ASTM E1007 field testing are performed. However, impact sounds often have the potential for causing significant flanking transmission through structural connections of the floor system to surrounding spaces. A common concern for possible impact sound transmission can occur with hard flooring finishes that are not isolated from the floor structure to adjacent spaces. For this condition, while it is possible to achiev

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4

Greene, Nathaniel T., Juanantonio Ruiz, Ted Argo, Andrew D. Brown, and David A. Anderson. "High level sound transmission through cadaver human ears—On the influence of bone conduction and hearing protective devices." Journal of the Acoustical Society of America 154, no. 4_supplement (2023): A351. http://dx.doi.org/10.1121/10.0023766.

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High level sound exposure can cause substantial injury to the auditory system, motivating efforts to predict and prevent this injury. Measurement techniques using acoustic manikins are effective for low and moderate sound levels, but nonlinear effects in the middle ear and alternate sound transmission pathways to the inner ear limit their utility at higher sound pressure levels. Here, we describe results from a series of measurements made in cadaveric human ears conducted in our laboratory over the last several years. We quantified sound transmission to the inner ear by measuring the differenc

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5

Abrams, R. M., S. K. Griffiths, X. Huang, J. Sain, G. Langford, and K. J. Gerhardt. "Fetal Music Perception: The Role of Sound Transmission." Music Perception 15, no. 3 (1998): 307–17. http://dx.doi.org/10.2307/40285770.

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The fetal sound environment is now known to be rich and varied. Playback of tapes made from intrauterine recordings of sounds reveals some muffling, suggesting an attenuation of high-frequency sounds at the surface of the abdominal wall and during transmission through abdominal and uterine tissues and fluids. The present experiments show how the spectral features of synthesized musical sounds are altered once they reach the ear of the fetal sheep. Below 300 Hz, intrauterine sound pressure levels are nearly identical to those recorded outside the ewe. Between 315 and 2500 Hz, the attenuation in

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6

Zhang, Ruojun, Guibo Wang, Xiaoming Zhou, and Gengkai Hu. "A decoupling-design strategy for high sound absorption in subwavelength structures with air ventilation." JASA Express Letters 2, no. 3 (2022): 033602. http://dx.doi.org/10.1121/10.0009919.

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A strategy based on the decoupling design of two elementary structures, both made of coiled-up channels, is proposed. One channeling structure is designed for blocking sound transmission, while the other element is used for absorbing sounds at low-transmission frequencies. Based on this strategy, the sound-absorbing sample with air ventilation is fabricated and its high-absorption capability is demonstrated experimentally. The expanding of sound absorption bandwidth by combining different absorptive channels into the sample structure is also demonstrated. The proposed method provides a new rou

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7

Kurosawa, Yoshio, Ji Chengyao, Tsuyoshi Yamashita, et al. "FE analysis of porous material covers for automotive parts." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 268, no. 5 (2023): 3260–66. http://dx.doi.org/10.3397/in_2023_0467.

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Some automobile transmissions (AT, CVT, etc.) generate noise, and a soundproof material cover is attached to the transmission body reduce the noise by offering sound absorption and insulation. However, the sound radiating from the cover may affect the transmission of vibrations. In this study, we attached a simply shaped cover to a jig to represent a transmission body and measured the vibration acceleration and sound pressure level when the jig was vibrated. The jig and cover were modeled by FEM, and vibroacoustic analysis was performed. The material of the cover was felt or grow wool, and sou

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8

Kiyokawa, Hiroshi, and Hans Pasterkamp. "Volume-dependent variations of regional lung sound, amplitude, and phase." Journal of Applied Physiology 93, no. 3 (2002): 1030–38. http://dx.doi.org/10.1152/japplphysiol.00110.2002.

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Acoustic imaging of the respiratory system demonstrates regional changes of lung sounds that correspond to pulmonary ventilation. We investigated volume-dependent variations of lung sound phase and amplitude between two closely spaced sensors in five adults. Lung sounds were recorded at the posterior right upper, right lower, and left lower lobes during targeted breathing (1.2 ± 0.2 l/s; volume = 20–50 and 50–80% of vital capacity) and passive sound transmission (≤0.2 l/s; volumes as above). Average sound amplitudes were obtained after band-pass filtering to 75–150, 150–300, and 300–600 Hz. Cr

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9

Di, Hao, Xinpei Li, Yasuhiro Oikawa, and Shoichi Kiya. "Generative model-based transmission health monitoring of construction machinery in real factory." Journal of the Acoustical Society of America 154, no. 4_supplement (2023): A142. http://dx.doi.org/10.1121/10.0023058.

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In real factory production processes, transmission systems occasionally produce abnormal noises that deviate from their normal sound patterns. Detecting these anomalies is crucial for identifying the underlying causes and ensuring the quality of products. The traditional health monitoring of the transmission system in construction machinery relies on the expertise of skilled workers. In order to enhance detection capabilities during instances of abnormal noise occurrence, conserve human resources, and provide a technological foundation for future automation in production, we propose a transmis

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10

Ren, Juan, Qingjun Liu, Ting Chen, and Pingye Deng. "Analytic model research of sound propagation in pipe wall with sound absorption." MATEC Web of Conferences 355 (2022): 01016. http://dx.doi.org/10.1051/matecconf/202235501016.

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There are a lot of principles for sound transmission in the pipeline for whether sound transmission structure or noise reduction structure. Even in ultrasonic testing, there is a large number of principles for using pipeline sound transmission. Based on the sound propagation model and the boundary conditions of pipe wall sound absorption, the sound propagation equation for pipe wall sound absorption is given by establishing mathematical model and solving mathematical equation in this paper. When the distribution of sound field along the cross-section of the pipe (outlet) is ignored, the transm

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11

Malcoci, Iulian. "Sound Reasearch in Precessional Transmission." Applied Mechanics and Materials 657 (October 2014): 584–88. http://dx.doi.org/10.4028/www.scientific.net/amm.657.584.

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Sound may be defined as any pressure variation (in air, water or other medium) that the human ear can detect. Just like dominoes, a wave motion is set off when an element sets the nearest particle of air into motion. This motion gradually spreads to adjacent air particles further away from the source. Depending on the medium, sound propagates at different speeds. In air, sound propagates at a speed of approximately 340 m/s. In liquids and solids, the propagation velocity is greater 1500 m/s in water and 5000 m/s in steel [2].

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12

Tocci, Gregory C., Timothy J. Foulkes, and Randolph E. Wright. "Glazing sound transmission loss studies." Journal of the Acoustical Society of America 79, S1 (1986): S31. http://dx.doi.org/10.1121/1.2023166.

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13

Mechel, F. P. "Sound transmission through suspended ceilings." Journal of the Acoustical Society of America 103, no. 5 (1998): 2783. http://dx.doi.org/10.1121/1.422269.

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14

Ou, Dayi, and Cheuk Ming Mak. "Sound transmission through stiffened plates." Journal of the Acoustical Society of America 131, no. 4 (2012): 3260. http://dx.doi.org/10.1121/1.4708178.

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15

Spindel, R. C. "Sound Transmission in the Ocean." Annual Review of Fluid Mechanics 17, no. 1 (1985): 217–37. http://dx.doi.org/10.1146/annurev.fl.17.010185.001245.

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16

Liu, Dongxu, Zhijian Hu, Ge Wang, and Lizhi Sun. "Sound Transmission-Based Elastography Imaging." IEEE Access 7 (2019): 74383–92. http://dx.doi.org/10.1109/access.2019.2921303.

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17

Brettell, J. M. "Sound transmission in granular PVC." Journal of the Acoustical Society of America 95, no. 4 (1994): 2281. http://dx.doi.org/10.1121/1.408641.

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18

Hickling, Robert, and Wei Wei. "Sound transmission in stored grain." Applied Acoustics 45, no. 1 (1995): 1–8. http://dx.doi.org/10.1016/0003-682x(94)00017-p.

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19

Jean, P. "Sound transmission through opened windows." Applied Acoustics 70, no. 1 (2009): 41–49. http://dx.doi.org/10.1016/j.apacoust.2008.01.007.

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CUMMINGS, A. "SOUND TRANSMISSION THROUGH DUCT WALLS." Journal of Sound and Vibration 239, no. 4 (2001): 731–65. http://dx.doi.org/10.1006/jsvi.2000.3226.

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21

van Zyl, B. G., and P. J. Erasmus. "Sound Transmission Analysis in Reactive Fields by Sound Intensimetry." Noise Control Engineering Journal 28, no. 3 (1987): 113. http://dx.doi.org/10.3397/1.2827682.

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22

Michelsen, A., and K. Rohrseitz. "Directional sound processing and interaural sound transmission in a small and a large grasshopper." Journal of Experimental Biology 198, no. 9 (1995): 1817–27. http://dx.doi.org/10.1242/jeb.198.9.1817.

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Physical mechanisms involved in directional hearing are investigated in two species of short-horned grasshoppers that differ in body length by a factor of 3&shy;4. The directional cues (the effects of the direction of sound incidence on the amplitude and phase angle of the sounds at the ears) are more pronounced in the larger animal, but the scaling is not simple. At high frequencies (10&shy;20 kHz), the sound pressures at the ears of the larger species (Schistocerca gregaria) differ sufficiently to provide a useful directionality. In contrast, at low frequencies (3&shy;5 kHz), the

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23

Bohadana, A. B., and S. S. Kraman. "Transmission of sound generated by sternal percussion." Journal of Applied Physiology 66, no. 1 (1989): 273–77. http://dx.doi.org/10.1152/jappl.1989.66.1.273.

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We indirectly determined the transmission path of sound generated by sternal percussion in five healthy subjects. We percussed the sternum of each subject while recording the output audio signal at the posterior left and right upper and lower lung zones. Sound measurements were done during apnea at functional residual capacity, total lung capacity, and residual volume both with the lungs filled with air and with an 80% He-20% O2 (heliox) gas mixture. Three acoustic indexes were calculated from the output sound pulse: the peak-to-peak amplitude, the peak frequency, and the mid-power frequency.

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24

Kraler, Anton, and Paola Brugnara. "Acoustic behaviour of CLT structures: influence of decoupling bearing stripes, floor assembly and connectors under storey-like loads." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 265, no. 6 (2023): 1179–90. http://dx.doi.org/10.3397/in_2022_0162.

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Timber buildings do not have a high acoustic performance regarding vibration transmission through the structure. Sophisticated acoustic design methods are usually not applied and noise control design for wooden buildings is often merely based on the experience of engineers. To find out the peculiarity of timber transmission, an acoustic lab test with CLT was set up. Several measurement configurations were built and airborne sound measurements according to EN ISO 16283-1 and impact sound measurements according to EN ISO 16283-2 were carried out. The test results were set in relation to referenc

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25

Peters, Aemil J. M., Robert M. Abrams, Kenneth J. Gerhardt, and Scott K. Griffiths. "Transmission of Airborne Sound from 50-20,000 Hz into the Abdomen of Sheep." Journal of Low Frequency Noise, Vibration and Active Control 12, no. 1 (1993): 16–24. http://dx.doi.org/10.1177/026309239301200103.

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The transmission of audible sounds from the environment of the pregnant woman to the foetus is of growing interest to obstetricians who utilize foetal vibracoustic stimulation in their examinations, and to occupational health professionals who believe that high-intensity sound in the workplace is potentially damaging to the foetus. Earlier reports on transmission of sound into the abdomen and uterus of sheep revealed a significant amount of sound attenuation at frequencies above 2,000 Hz. and some enhancement at frequencies below 250 Hz. However, frequencies above 10,000 Hz, and stimulus level

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26

WANG, Ziyang, Sheng GU, Wenxuan YUE, Bo WANG, and Hequn MIN. "Estimation of random incidence sound transmission loss of panels based on normal incidence sound transmission loss measurements." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 270, no. 10 (2024): 1947–57. http://dx.doi.org/10.3397/in_2024_3107.

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The performance of building sound insulation is an important parameter for evaluating the quality of construction projects. So far, the sound insulation performance testing of building walls requires the installation of large-dimensioned wall samples in specialized sound insulation laboratories, which is time-consuming and costly. If small-dimensioned components of the wall panels can be applied and quickly tested at the project site, it could significantly improve efficiency and reduce costs. To address this issue, this paper investigates a method for estimating the random incidence sound tra

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27

Steel, J. A., R. J. M. Craik, and R. Wilson. "A Study of Vibration Transmission in a Framed Building." Building Acoustics 1, no. 1 (1994): 49–64. http://dx.doi.org/10.1177/1351010x9400100104.

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Sound transmission through large buildings can be studied using Statistical Energy Analysis (SEA). In this study measurements were carried out to investigate sound transmission through a framed building. Sound transmission between columns, beams, walls and floors is investigated. Sound transmission through the building is investigated and measured and predicted results are shown. Difficulties were encountered when modelling large floor slabs. The work demonstrates the application of Statistical Energy Analysis methods to the study of sound transmission in framed buildings and highlights some o

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Borzym, Jim. "Acoustical performance of horizontal-sliding-panel operable partition walls." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 1 (2021): 5125–30. http://dx.doi.org/10.3397/in-2021-2974.

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Field measurements of airborne sound transmission loss were made on several operable partitions of the horizontal-sliding-panel type between conference rooms. Apparent Sound Transmission Class (ASTC) and Noise Isolation Class (NIC) ratings were computed. Very significant deviation of field-measured sound transmission ratings and manufacturers' Sound Transmission Class (STC) ratings were found. Clients were not satisfied by actual sound isolating performance. Transmission of voice was clearly audible. Some deficiencies of field conditions were found. Some deficiencies of partition installation

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Song, Zhenan, Xuhong Hu, Wenlin Hu, Liang Chang, and Bin He. "Study on the Characteristics of Sound Transmission Loss of V-type Noise Barriers for Reduction of Wind Load under Different Conditions." Journal of Physics: Conference Series 2976, no. 1 (2025): 012013. https://doi.org/10.1088/1742-6596/2976/1/012013.

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Abstract The characteristics of sound transmission loss of V-type noise barriers for reduction of wind load under the influence of multiple parameters is numerically investigated in this work. The results show that sound-absorbing materials and the heights of ventilation channels are the most important factors affecting sound insulation property of V-type noise barriers. The increase of the airflow resistivity of sound-absorbing materials will increase sound transmission loss in the high frequency band of noise barriers. When the airflow resistivity is increased from 1000Pa*s/m2 to 15000 Pa*s/

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Hosseini-Toudeshky, H., M. R. Mofakhami, and R. Yarmohammadi. "Sound transmission between partitioned contiguous enclosures." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 223, no. 5 (2009): 1091–101. http://dx.doi.org/10.1243/09544062jmes1166.

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By increasing the application of lightweight constructions, sound transmission between the adjacent enclosures becomes a more important consideration in designing new buildings. In this article, the parameters that may significantly affect the sound transmission level through a partition between two adjacent enclosures are investigated, i.e. geometrical dimensions, arrangement of enclosures, boundary conditions, multi-layered partitions, and framed (or reinforced) conditions of the partitions. For this purpose, sound transmission is modelled using the finite-element method. The obtained result

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Kang, Chun-Won, and Yung-Bum Seo. "Sound Absorption and Sound Transmission Loss of Perforated Corrugated Board." Journal of Korea Technical Association of the Pulp and Paper Industry 50, no. 4 (2018): 32–39. http://dx.doi.org/10.7584/jktappi.2018.08.50.4.32.

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Sas, Paul, Wouter Dehandschutter, Rene Boonen, and Antonio Vecchio. "Active control of sound transmission through an industrial sound encapsulation." Journal of the Acoustical Society of America 103, no. 5 (1998): 2964–65. http://dx.doi.org/10.1121/1.421670.

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Song, Zhenan, Wenlin Hu, Xuhong Hu, Jiaqi Han, Fusheng Sui, and Bin He. "Investigation of the Variation in Insertion Loss of Vertical Noise Barriers for High-speed Railways at Different Levels of Sound Transmission Loss." Journal of Physics: Conference Series 2843, no. 1 (2024): 012006. http://dx.doi.org/10.1088/1742-6596/2843/1/012006.

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Abstract The present study investigates the impact of sound transmission loss of vertical noise barriers for high-speed railways on insertion loss at various speed grades and heights. The findings reveal an initial increase in insertion loss followed by a plateau as sound transmission loss improves. A threshold value exists for weighted sound transmission loss, beyond which the insertion loss remains relatively constant. This threshold referred to as the minimum weighted sound transmission loss decreases with increasing train speeds and increases with higher noise barrier heights. The variatio

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Lin, Wan Feng, Wen Zhong Lou, Jing Xu, Ren Long Song, and Liang Hu. "Test on Sound Transmission Characteristic of PTFE Micro-Aperture Membrane." Advanced Materials Research 60-61 (January 2009): 146–50. http://dx.doi.org/10.4028/www.scientific.net/amr.60-61.146.

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: It is a test of sound transmission characteristic of PTFE Micro-aperture Membrane,through it we found that the PTFE Micro-aperture Membrane is an excellent material of sound transmission for its special structure, though the basic rule is of no difference from normal material. Something more important, from test data, it was discovered that PTFE will not affect sound transmission when aperture diameter reaches 0.22m, which is valuable for the research of sound transmission on Micro-aperture.

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Zhu, W.-F., Y. Zhong, G.-L. Wang, and X.-H. Jiang. "Sound transmission modeling and numerical analysis for automotive seal considering non-uniform compression." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 233, no. 3 (2018): 471–83. http://dx.doi.org/10.1177/0954407017745982.

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Automotive metal door panels and nonmetallic seals have complicated nonlinear interactions in their narrow mating sections, leading to non-uniform compression and complicating the sound transmission mechanism. Therefore, a new sound transmission modeling methodology and numerical analysis is developed for a refined sealing system by considering the geometrical boundaries and the non-uniform compression load. Nonlinear analysis is performed to obtain the geometrical parameters of the deformed seal, which are later input to the subsequent numerical acoustic model, by varying the compression rati

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Davari, Nima, and Clark Verbrugge. "Efficient 2D Sound Propagation in Video Games." Proceedings of the AAAI Conference on Artificial Intelligence and Interactive Digital Entertainment 17, no. 1 (2021): 132–39. http://dx.doi.org/10.1609/aiide.v17i1.18900.

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Sound is well known for improving immersion in video games. In many games sound also serves as an important game mechanism; in stealth games, for example, sounds triggered by player actions may attract enemy agents, and sounds created by enemy agents give useful information on where to target or avoid combat. Modelling sound, however, is computationally complex, and thus sound propagation is often restricted to highly localized contexts, or based on trivial propagation models such as a fixed radius that ignores the impact of obstacles. In this work, we describe an efficient approach to propaga

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Tamanna, Omid, Nazanin Souri, Won S. Ohm, and Maureen Connelly. "A hybrid test method for measurement of airborne sound transmission loss of building partitions and elements." Journal of the Acoustical Society of America 155, no. 3_Supplement (2024): A49. http://dx.doi.org/10.1121/10.0026757.

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Single-number ratings, such as sound transmission class (STC), outdoor to indoor transmission class (OITC), and weighted sound reduction index (Rw), have been widely used to indicate the sound transmission properties of the building elements. The required transmission loss values over the frequency spectrum can be obtained from the two reverberation rooms test method (ASTM E90, ISO 10140), field measurement method (ASTM E966), or intensity method (ISO 15186). The limitations of the number of testing facilities that can provide the diffused field, minimum cut-off frequency, and other standard l

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Dimino, Ignazio, Pasquale Vitiello, and Ferri Aliabadi. "Sound Transmission Through Triple Panel Partitions." Recent Patents on Mechanical Engineering 6, no. 3 (2013): 200–215. http://dx.doi.org/10.2174/22127976113069990007.

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Mano, Hajimu, Hiroshi Kawabe, and Kouji Masaoka. "Sound Transmission of Ship Structural Panel." Journal of the Society of Naval Architects of Japan 1990, no. 168 (1990): 347–54. http://dx.doi.org/10.2534/jjasnaoe1968.1990.168_347.

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Park, Junhong, Luc G. Mongeau, and Thomas Siegmund. "Sound transmission characteristics of bulb seals." Journal of the Acoustical Society of America 108, no. 5 (2000): 2526–27. http://dx.doi.org/10.1121/1.4743348.

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Cummer, S. A. "Selecting the Direction of Sound Transmission." Science 343, no. 6170 (2014): 495–96. http://dx.doi.org/10.1126/science.1249616.

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Pizzirusso, Joseph F. "Sound transmission and absorption control media." Journal of the Acoustical Society of America 101, no. 1 (1997): 21. http://dx.doi.org/10.1121/1.418021.

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Walker, Keith W. "Sound transmission loss single number ratings." Journal of the Acoustical Society of America 81, S1 (1987): S12. http://dx.doi.org/10.1121/1.2024105.

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Quirt, J. D., and R. E. Halliwell. "Measuring sound transmission through suspended ceilings." Journal of the Acoustical Society of America 83, S1 (1988): S60. http://dx.doi.org/10.1121/1.2025435.

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DIKSHIT, Hemanta, and Venkata R. SONTI. "Sound transmission through an unbaffled plate." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 270, no. 8 (2024): 3641–48. http://dx.doi.org/10.3397/in_2024_3351.

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Abstract (sommario):

Commonly occurring complex structures can often be modelled as simple finite plates mounted without baffles. Thus, the objective here is to study the sound transmission loss of a simply-supported rectangular finite unbaffled plate impinged upon by an acoustic plane wave. The total pressure jump across the plate surface is expressed as the sum of the pressure jump due to pure diffraction, where the plate normal displacement is zero and the pressure jump due to plate radiation. These pressure jumps are computed using the definition of the free-space Green's function in the wavenumber domain and

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Morfey, Christopher L., and Roger J. Pinnington. "Sound transmission to the human fetus." Journal of the Acoustical Society of America 96, no. 5 (1994): 3305. http://dx.doi.org/10.1121/1.410830.

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Zhao, Jiajun, Zhi Ning Chen, Baowen Li, and Cheng-Wei Qiu. "Acoustic cloaking by extraordinary sound transmission." Journal of Applied Physics 117, no. 21 (2015): 214507. http://dx.doi.org/10.1063/1.4922120.

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Young, Sarah M., Brian E. Anderson, Nicholas B. Morrill, Robert C. Davis, and Richard R. Vanfleet. "Sound transmission measurements through porous screens." Journal of the Acoustical Society of America 139, no. 4 (2016): 2119. http://dx.doi.org/10.1121/1.4950307.

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Brenot, D. "Sound transmission into an axisymmetric enclosure." Journal of Sound and Vibration 287, no. 1-2 (2005): 45–75. http://dx.doi.org/10.1016/j.jsv.2004.10.048.

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Allan, P. S., A. Ahmadnia, R. Withnall, and J. Silver. "Sound transmission testing of polymer compounds." Polymer Testing 31, no. 2 (2012): 312–21. http://dx.doi.org/10.1016/j.polymertesting.2011.12.007.

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