Otro
Sound pressure level in a municipal preschool
Registro en:
International Archives of Otorhinolaryngology, v. 17, n. 2, p. 196-201, 2013.
1809-9777
1809-4864
S1809-48642013000200013
2-s2.0-84876105312.pdf
2-s2.0-84876105312
Autor
Kemp, Adriana Aparecida Tahara
Delecrode, Camila Ribas
Guida, Heraldo Lorena
Ribeiro, André Knap
Cardoso, Ana Cláudia Vieira
Resumen
Aim: To evaluate the sound pressure level to which preschool students are exposed. Method: This was a prospective, quantitative, nonexperimental, and descriptive study. To achieve the aim of the study we used an audio dosimeter. The sound pressure level (SPL) measurements were obtained for 2 age based classrooms. Preschool I and II. The measurements were obtained over 4 days in 8-hour sessions, totaling 1920 minutes. Results: Compared with established standards, the SPL measured ranged from 40.6 dB (A) to 105.8 dB (A). The frequency spectrum of the SPL was concentrated in the frequency range between 500 Hz and 4000 Hz. The older children produced higher SPLs than the younger ones, and the levels varied according to the activity performed. Painting and writing were the quietest activities, while free activities period and games were the noisiest. Conclusion: The SPLs measured at the preschool were higher and exceeded the maximum permitted level according to the reference standards. Therefore, the implementation of actions that aim to minimize the negative impact of noise in this environment is essential.