Abstract
With speedup of Shinkansen vehicles, noise in driver's cab will increased as well as that of the passenger room. We have tried to mitigate the increase of interior noise by developing various measures. However, the measures developed for interior noise cannot be used for noise reduction in the cab because structural and acoustical conditions are different between the passenger room and the cab. We studied on noise reduction measures that are effective to the cab by comparing the conditions of the passenger room and those of the cab. As a result, we got the possibility that the cab noise become near to the level of the passenger room noise.
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