Ghasem Yarahmadi
Department, of Occupational Health, School of Health; Student Research Committee, Gonabad University of Medical Sciences, Gonabad, Iran
[ 1 ] - The effect of sound with different frequencies on men and women noise annoyance
Sound is an effective exogenous factors which affecting human brain processing mechanisms. This research was quasi experimental study that was carried out among 70 students to evaluate the effect of sound frequency on human noise annoyance. Noise annoyance degree was measured during exposure to sound at various frequencies of 500, 1000, 2000, 4000 and 8000 Hz. Sound.exe software was used to det...
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