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14
SON NIVEAU SONORE
(dB)
EFFET
Chuchotement 30 Très calme
Bureau calme 50–60 Les niveaux d’écoute agréables sont
inférieurs à 60dB.
Aspirateur, sèche-
cheveux
70 Intrusif, interfère avec les conversations
téléphoniques.
Mélangeur 85–90 85dB équivaut au niveau auquel l’audition
commence à être endommagée (8heures).
Camion à ordures,
bétonnière
100 Nous recommandons de ne pas dépasser
15minutes d’exposition non protégée pour
les sons compris entre 90 et 100dB.
Scie à chaîne, foreuse/
marteau perforateur
110 Une exposition régulière à un son supérieur
à 100dB pendant plus de 1minute risque
d’engendrer une perte dénitive de
l’audition.
Concerts de rock
(varient)
110–140 Le seuil de douleur commence à environ
125dB.
* Les renseignements du tableau sont tirés du site
http://www.nidcd.nih.gov/health/education/teachers/pages/common_sounds.aspx
Français
Le tableau de décibels (dB) suivant compare certains sons communs et classe
les dommages potentiels à l’audition.
16


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