Sound control in mass transit stations: With case study from Central Anatolia.

Kocyigit, Filiz B.; Koçyiğit, Ahmet

doi:10.1121/1.3508062

Cited by 2 publications

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“…Which is very much high not only for music classroom but also for regular classroom. When look for the sound pressure level for classroom = Acceptable levels = Limit for occupation = limit for industry = noisy level Figure 7: NC 45 curves' ergonomic limits (according to EPA, ILO, WHO) [5] At the Doctorate thesis Mrs. F.B. Kocyigit researched the needed sound pressure levels for different occupations for EPA [12], WHO [13] Compare the Table 6 and Figure 6 seem that example rooms are very far fromacceptable sound pressure levels for healty music student.…”

Section: Case Study From Turkeymentioning

confidence: 99%

Acoustics in the partial deaf student school music classrooms

Kocyigit

Gulec

2008

The Journal of the Acoustical Society of America

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Music schools need some special acoustical design for better education. If this is also for disabilities children, the effect is more important. This research is about musical education for partially hearing disabled children (PHSC). At this point architectural acoustic design acquires importance. This is not only in the shape of the room but also in using covering materials and other solutions. The question is whether architectural acoustics solutions can effect the music education of PHSC or not. Here the first discussion is whether we need some additional components of good classroom acoustics for partially hearing disabled children in the American National Standards Institute, Standard S12.60 2002 for classroom acoustics, and the cost impact of the Standard. Childhood hearing loss is a wide speed problem with significant impact, an invisible condition resulting in communication problems that can ultimately interfere with learning and social development. Included are audios files that illustrate that even a mild hearing loss can have a significant impact on a child's ability to understand the teacher. Especially children with partial hearing loss need a more lively room to amplify the instrument sound for improved hearing capacity.

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Section: Case Study From Turkeymentioning

confidence: 99%

Acoustics in the partial deaf student school music classrooms

Kocyigit

Gulec

2008

The Journal of the Acoustical Society of America

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The Noise Exposure of Urban Rail Transit Drivers: Hazard Classification, Assessment, and Mitigation Strategies

Huang,

Sun,

et al. 2024

Applied Sciences

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Prolonged exposure to high-intensity noise environments in urban rail transit systems can negatively impact the health and work efficiency of drivers. However, there is a lack of comprehensive understanding of the noise pattern and, therefore, effective mitigation strategies. To control the noise in urban rail transit systems, this study proposes a comprehensive noise assessment framework, including metrics such as average sound pressure level, peak sound pressure level, percentile sound pressure levels, dynamic range, main frequency component, and cumulative time energy to evaluate the noise characteristics. We also employ a density-based spatial clustering of applications with noise (DBSCAN) method to identify the noise patterns with the evaluation of their hazard to urban rail transit drivers. The results have revealed that: (1) The equivalent continuous sound pressure level (Leq) in the cab of Lanzhou Urban Rail Transit Line 1 averages 87.12 dB, with a standard deviation of 8.52 dB, which reveals a high noise intensity with substantial fluctuations. (2) Ten noise patterns were identified, with frequencies varying from 14.47 Hz to 69.70 Hz and Leq varying from 60 dB to 115 dB. (3) The major noise sources from these patterns are inferred to be the train’s mechanical systems, wheel–rail interaction, aerodynamic effects, and braking systems. Combined with the noise patterns and urban rail transit’s operation environment, this study proposes tailored mitigation strategies for applications aimed at protecting drivers’ hearing health, enhancing work efficiency, and ensuring driving safety.

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Sound control in mass transit stations: With case study from Central Anatolia.

Cited by 2 publications

References 0 publications

Acoustics in the partial deaf student school music classrooms

Acoustics in the partial deaf student school music classrooms

The Noise Exposure of Urban Rail Transit Drivers: Hazard Classification, Assessment, and Mitigation Strategies

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