(2¼ EDITION B&W) The purpose of this work is the development of an electronic system for the
noise monitoring, ideal for enviroments like libraries and hospitals, where a
work or rest atmosphere is requested, free of this disturbance type.
(2¼ EDITION B&W) The purpose of this work is the development of an electronic system for the
noise monitoring, ideal for enviroments like libraries and hospitals, where a
work or rest atmosphere is requested, free of this disturbance type.