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Evaluación de las condiciones acústicas de las aulas de clase de un centro de educación superior de la Costa Caribe Colombiana
Corresponding Author(s) : Armando Engels Duran Uron
Investigación e Innovación en Ingenierías,
Vol. 13 Núm. 1 (2025): Enero - junio
Resumen
Objetivo: Describir las condiciones acústicas de un bloque de 63 aulas de clase en un centro de educación superior de la costa caribe colombiana Metodología: Se realizó una revisión bibliográfica de las condiciones acústicas de salas de clases en la base de datos Scopus, de la cual se tomaron 45 artículos publicados de enero de 2015 a agosto de 2020. Posterior a esto, se caracterizaron los salones de clase de un bloque del centro educativo, considerando su geometría y características de construcción. Se calculó el tiempo de reverberación y la inteligibilidad de la palabra de los salones, y, por último, se formularon medidas de mejoramiento con base en los resultados obtenidos. Resultados: Los resultados de la revisión bibliográfica muestran que el parámetro más estudiado es el tiempo de reverberación y que así mismo, es el que mayormente compromete las condiciones acústicas en las aulas de clase. De los cálculos realizados, se encontró que el tiempo de reverberación tuvo valores entre 1.23 y 2.26, dando como resultado que éste “No es Óptimo”. Respecto a la inteligibilidad de la palabra, el % ALCONS tuvo valores entre 12.69 y 24.12, para los cuales se obtiene una calificación de pobre, Conclusiones: La calidad acústica en las aulas de clase mostradas en la literatura requiere mejoras y no es diferente a los resultados de este estudio.
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Referencias
[1] D. Wang, J. Peng, and N. Yan, "Percentage articulation loss of consonants in the elementary school classrooms."
[2] P. Jianxin et al., "Comparative study of acoustical indices and speech perception of students in two primary school classrooms with an acoustical treatment," Applied Acoustics, vol. 164, pp. 1-6, 2020. https://doi.org/10.1016/j.apacoust.2020.107297
[3] P. Jianxing and W. Shengju, "Chinese speech intelligibility of children in noisy and reverberant environments," Indoor and Built Environment, vol. 27, no. 10, pp. 1357-1363, 2018.
[4] C. Young-Ji, "Evaluation of acoustical condition for speech communication in active university classrooms," Applied Acoustics, vol. 159, pp. 1-11, 2020.
[5] C. Young-Ji, "The intelligibility of speech in university classrooms during lectures," Applied Acoustics, vol. 162, pp. 1-7, 2020.
[6] C. Young-Ji, "Experimental investigation of the combination of absorptive and diffusing treatments in classrooms," in EuroNoise 2015, Maastricht, Netherlands, 2015, pp. 681-684.
[7] C. Young-Ji, "Comparison of two types of combined measures, STI and U50 for predicting speech intelligibility in classrooms," Archives of Acoustics, vol. 42, no. 3, pp. 527-532, 2017.
[8] L. C. Cantor Cutiva and A. I. Muñoz Sánchez, "Condiciones acústicas de las aulas universitarias en una Universidad pública en Bogotá," Medicina y Seguridad del Trabajo, vol. 55, no. 216, pp. 26-34, 2009.
[9] L. C. Cantor Cutiva and A. Burdorf, "Effects of noise and acoustics in schools on vocal health in teachers," Noise & Health, vol. 17, no. 74, pp. 17-22, 2015. https://doi.org/10.4103/1463-1741.149569
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[12] E. Sala and L. Rantala, "Acoustics and activity noise in school classrooms in Finland," Applied Acoustics, vol. 114, no. 15, pp. 252-259, 2016. https://doi.org/10.1016/j.apacoust.2016.08.009
[13] W. Xiaojing et al., "Impacts of traffic noise on roadside secondary schools in a prototype large chinese city," Applied Acoustics, vol. 151, pp. 153-163, 2019. https://doi.org/10.1016/j.apacoust.2019.02.024
[14] L. C. Cantor Cutiva and A. I. Muñoz Sánchez, "Condiciones acústicas de las aulas universitarias en una Universidad pública en Bogotá," Medicina y Seguridad del Trabajo, vol. 55, no. 216, pp. 26-34, 2009.
[15] J. Aguilar and L. Tilano, "Measurement of classroom acoustic parameters in the public schools of Medellin," International Journal of Acoustics and Vibrations, vol. 24, no. 1, pp. 50-55, 2019. https://doi.org/10.20855/ijav.2019.24.11161
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[17] "Subjective ears vs objective technology," 2020. [Online]. Available: https://ucpmarjoncreativedissertation.weebly.com/eyrings-formula.html
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[19] P. P. García Lope, "Acondicionamiento acústico del aula 105, Capítulo 2: Diseño acústico de salas." [Online]. Available: http://bibing.us.es/proyectos/abreproy/4393/fichero/Capitulo+2%252FCapitulo+2.pdf
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[22] Z.-C. Qian et al., "Uncertainty evaluation for the measurement of sound absorbing coefficient in reverberation room," Jiliang Xuebao/Acta Metrologica Sinica, vol. 37, no. 4, pp. 411-414, 2016.
[23] M. Denison and B. Anderson, "Time reversal acoustics applied to rooms of various reverberation times," Journal of the Acoustical Society of America, vol. 144, no. 6, pp. 3055-3066, 2018. https://doi.org/10.1121/1.5080560
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[28] G. Puglisi et al., "Assessment of indoor ambient noise level in school classrooms," in EuroNoise 2015, Maastricht, Netherlands, 2015, pp. 715-720.
[29] K. Schöne et al., "Acoustic situation in schools - Experience and findings of the institute for teacher health," Arbeitsmedizin Sozialmedizin Umweltmedizin, vol. 51, no. 10, pp. 724-729, 2016.
[30] P. Jianxin et al., "Comparative study of acoustical indices and speech perception of students in two primary school classrooms with an acoustical treatment," Applied Acoustics, vol. 164, pp. 1-6, 2020. https://doi.org/10.1016/j.apacoust.2020.107297
[31] D. Pillay and B. L. Vieira, "Noise, screaming and shouting: classroom acoustics and teachers perception of their voice in a developing country," South African Journal of Childhood Education, vol. 10, no. 1, pp. 1-9, 2020. https://doi.org/10.4102/sajce.v10i1.681
[32] I. Shatha, "Room mode analysis for classrooms: a case study in the college of engineering," IOP Conference Series: Materials Science and Engineering, vol. 870, no. 1, pp. 1-7, 2020. https://doi.org/10.1088/1757-899X/870/1/012061
[33] F. Gheller et al., "Classroom acoustics: Listening problems in children," Building Acoustics, vol. 27, no. 1, pp. 47-59, 2020. https://doi.org/10.1177/1351010X19886035
[34] W. Xiaojing et al., "Impacts of traffic noise on roadside secondary schools in a prototype large chinese city," Applied Acoustics, vol. 151, pp. 153-163, 2019. https://doi.org/10.1016/j.apacoust.2019.02.024
[35] J. Zrneková et al., "Effective sound absorption of acoustic panels in a diffuse and non-diffuse sound field," in EuroNoise 2015, Maastricht, Netherlands, 2015, pp. 1467-1470.
[36] D. Russo and A. Ruggiero, "Choice of the optimal acoustic design of a school classroom and experimental verification," Applied Acoustics, vol. 146, pp. 280-287, 2019. https://doi.org/10.1016/j.apacoust.2018.11.019
[37] "An experimental study to investigate speech intelligibility and sound quality in elementary schools," in EuroNoise 2015, Maastricht, Netherlands, 2015, pp. 1779-1784.
[38] B. Kostek et al., "Modeling and designing acoustical conditions of the interior - Case study," Archives of Acoustics, vol. 41, no. 3, pp. 473-484, 2016.
[39] J. Dolejší and F. Dolejší, "Classroom acoustic study," Akustika, vol. 25, no. 1, pp. 46-54, 2016.
[40] A. Nowoświat and M. Olechowska, "Fast estimation of speech transmission index using the reverberation time," Applied Acoustics, vol. 102, no. 15, pp. 55-61, 2016. https://doi.org/10.1016/j.apacoust.2015.09.001
[41] A. Nowoświat and M. Olechowska, "Estimation of reverberation time in classrooms using the residual minimization method," Archives of Acoustics, vol. 42, no. 4, pp. 609-617, 2017. https://doi.org/10.1515/aoa-2017-0065
[42] H.-Y. Shih et al., "Improvement on acoustic characteristics of a small space using material selection," Engineering Computations, vol. 33, no. 6, pp. 1800-1809, 2016. https://doi.org/10.1108/EC-07-2015-0193
[43] J. Kociński and D. Niemiec, "Time-compressed speech intelligibility in different reverberant conditions," Applied Acoustics, vol. 113, no. 1, pp. 58-63, 2016. https://doi.org/10.1016/j.apacoust.2016.06.009
[44] J. Da Silva and M. L. Gondim, "Influence of the openings size on acoustic quality of naturally ventilated classrooms," in EuroNoise 2015, Maastricht, Netherlands, 2015, pp. 1737-1742.
[45] D. Pillay and B. L. Vieira, "Noise, screaming and shouting: classroom acoustics and teachers perception of their voice in a developing country," South African Journal of Childhood Education, vol. 10, no. 1, pp. 1-9, 2020. https://doi.org/10.4102/sajce.v10i1.681
[46] W. J. Wilson et al., "The 'acoustic health' of primary school classrooms in Brisbane, Australia," 2019.
[47] E. Sala and L. Rantala, "Acoustics and activity noise in school classrooms in Finland," Applied Acoustics, vol. 114, no. 15, pp. 252-259, 2016. https://doi.org/10.1016/j.apacoust.2016.08.009
[48] F. Martins et al., "Sound pressure levels in classrooms of a university and its effects on students and professors," CoDAS, vol. 31, no. 4, pp. 1-8, 2019. https://doi.org/10.1590/2317-1782/20182018093
[49] D. Russo and A. Ruggiero, "Choice of the optimal acoustic design of a school classroom and experimental verification," Applied Acoustics, vol. 146, pp. 280-287, 2019. https://doi.org/10.1016/j.apacoust.2018.11.019
[50] "An experimental study to investigate speech intelligibility and sound quality in elementary schools," in EuroNoise 2015, Maastricht, Netherlands, 2015, pp. 1779-1784.
[51] Y. Mzah and M. Jaidane, "Noise-robust reverberation time estimation based on sound HOS decay," in INTER-NOISE 2016 - 45th International Congress and Exposition on Noise Control Engineering: Towards a Quieter Future, Hamburg, Germany, 2016, pp. 3193-3202.
[52] P. O. Rodríguez Résendiz, "El ruido y la violencia acústica en la escuela: Sonidos en el aula. Propuesta para la prevención social de la violencia en la educación inicial en México," Ixaya. Revista Universitaria de Desarrollo Social, vol. 9, pp. 51-74, 2017.
[53] Escuela Colombiana de Ingeniería Julio Garavito, "Ruido. Informe de la Facultad de Ingeniería Industrial," 2011.
[54] H. C. Longoni et al., "Evaluación objetiva del espectro del ruido de fondo en aulas universitarias," Mecánica Computacional, vol. 33, no. 8, pp. 569-583, 2014.
[55] G. Sarantopoulos, S. Lykoudis, and P. Kassomenos, "Noise levels in primary schools of medium sized city in Greece," Science of the Total Environment, vol. 482, pp. 493-500, 2014.
[56] J.M. Munive - Álvarez, “Calidad de la iluminación en las aulas de clase en una Institución de Educación Superior”, Investigación e Innovación en Ingenierías, vol. 8, n°. 1, 2020. DOI: https://doi.org/10.17081/invinno.8.1.3409
[57] L. C. Cantor Cutiva and A. Burdorf, "Effects of noise and acoustics in schools on vocal health in teachers," Noise & Health, vol. 17, no. 74, pp. 17-22, 2015. https://doi.org/10.4103/1463-1741.149569