skip header

printable version

sitename

go GLOBAL HITACHI Home

Search by Google

Home > Products & Service > Rail Vehicles > High Speed Train > Exterior noise reduction technology

In order to reduce the noise generated outside the cars in an effective manner, measures are needed to isolate sound sources and to predict the minimum necessary reduction quantity in each part. Hitachi is able to analyse two-dimensional sound sources on the sides of cars using a microphone array.

Photo of the analysis of two dimensional sound sources using a microphone array

Current:1  Total:8pages

Copyright and Liability Notice, etc.