Environmental Medicine Pilot Project in Switzerland

A systematic review of human perceptual dimensions of sound: Meta-analysis of semantic differential method applications to indoor and outdoor sounds

“…Many studies have showed that noise exposure would cause negative physiological impacts on human bodies such as headache, fatigue [3], tinnitus [4], and hearing loss [5]. The international standard of the protection from hearing loss is no more than 85 dB(A) sound pressure level exposure in any working environment for 40 hours per week [6].…”