DIFFERENT EFFECTS OF ROAD TRAFFIC NOISE
β
Y. SASAZAWA; P. XIN; S. SUZUKI; T. KAWADA; M. KUROIWA; Y. TAMURA
π
Article
π
2002
π
Elsevier Science
π
English
β 235 KB
This study was designed to assess the e!ects of road tra$c noise and frogs' croaking on the objective and subjective quality of sleep in a laboratory. The subjects were seven male students aged 19}21 years. They were exposed to recorded road tra$c noise and frogs' croaking, with 49)6 and 49)5 dB(A)