公开(公告)号：US20170188143A1

公开(公告)日：2017-06-29

申请号：US15387949

申请日：2016-12-22

Applicant: MAGNETI MARELLI S.p.A.

Inventor： Matteo DE CESARE ,  Federico COVASSIN ,  Antonio BARBUTO ,  Federico MONTI

IPC: H04R3/00 ,  G01M15/12

CPC classification number: H04R3/005 ,  F02D41/0007 ,  F02D2041/288 ,  F02D2200/025 ,  G01H3/125 ,  G01M15/12 ,  H04R2430/20 ,  H04R2499/13 ,  Y02T10/144

Abstract: A device for the acquisition and conditioning of a sound signal generated by a source of an internal combustion engine and comprising a box-shaped support body having a first measuring assembly and a second measuring assembly; wherein the first measuring assembly is provided with at least two first microphones which lie on a first plane and are configured for the detection of a first acoustic signal generated by the source along a first provenance direction; and wherein the second measuring assembly is provided with at least a second microphone arranged on a second plane configured for the detection of a second acoustic signal generated by the source along a second provenance direction different from the first provenance direction.